CA1126926A - Unitary combined backer and siding board - Google Patents
Unitary combined backer and siding boardInfo
- Publication number
- CA1126926A CA1126926A CA382,594A CA382594A CA1126926A CA 1126926 A CA1126926 A CA 1126926A CA 382594 A CA382594 A CA 382594A CA 1126926 A CA1126926 A CA 1126926A
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- Prior art keywords
- board
- tongue
- groove
- upper edge
- upstanding
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Abstract
TITLE OF THE INVENTION
UNITARY COMBINED BACKER AND SIDING BOARD
ABSTRACT OF THE DISCLOSURE
A unitary, combined backer and siding board is sufficiently thick and strong to eliminate the need for backer boards or plyscore as a substrate on the studs of the walls of a building. The board is standard, commercially available stock with parallel front and rear faces and of uniform thickness of about one and one quarter inches. The upper edge has a front, upstanding tongue of curved cross section which fits in a tongue groove of curved cross section in the lower edge. The upper edge is free of grooving and hag a downward sloping surface between the upstanding tongue and the rear face to shed rainwater. A compress-ible sealing gasket is located between tongue and tongue groove.
UNITARY COMBINED BACKER AND SIDING BOARD
ABSTRACT OF THE DISCLOSURE
A unitary, combined backer and siding board is sufficiently thick and strong to eliminate the need for backer boards or plyscore as a substrate on the studs of the walls of a building. The board is standard, commercially available stock with parallel front and rear faces and of uniform thickness of about one and one quarter inches. The upper edge has a front, upstanding tongue of curved cross section which fits in a tongue groove of curved cross section in the lower edge. The upper edge is free of grooving and hag a downward sloping surface between the upstanding tongue and the rear face to shed rainwater. A compress-ible sealing gasket is located between tongue and tongue groove.
Description
BACKGROUND OF THE INVENTION
Novelty siding has long been available to the public in . the form of elongflted boards having an upper edge with an integral upstanding tongue nnd a lower edge with a tongue recess, rabbett or groove, the front face of each board usually having a groove to simulate clapboarding.
S~ch siding, panelling or sheathing is shown in many forms in, for example, a publication entitled "Standard Patterns", Western Wood Products Co. of Western~Wood Products Association, Yeon Building, Portland, Oregon 97204.
Prior patents exemplary of such siding, decking, flooring, roofing or panelling are the following:
U`. S. Patent 2,400,357 May 14, 1946 to Krajci - U S. Patent 3,262,239 July 26, 1966 to Mills U. S. Patent 4,065,899 January 3, 1978 to Kirkhuff J
----- r~
69;~6 in all of which the siding unit has an upper tongue and lower tongue groove but requires attachment to a substrate of boards or plyscore.
In the following United States Patents, however, all of which also disclose an upper tongue and a lower tongue re oess, no backer board is used and the units are attached directly to the studs:
United States Patent 2,231,007 February 11, 1941 to Vane United States Patent 2,390,087 December 4, 1945 to Fink United States Patent 2,693,621 November 9, 1954 to Errion United States Patent 2,831,218 April 22, 1958 to Stark United States Patent 3,626,439 December 7, 1971 to Knessel United States Patent 4,034,439 July 12, 1977 to Sanders Most of the above mentioned patents disclose an outer, lower, integral depending rib on the lower edge of the board for covering the joint with the next lower most board.
The above mentioned Mills Patent 3,262,239, Fink Patent 2,390,087 and Stark Patent 2,831,218 all disclose laminated board units, and the Errio~
patent 2,693,621 discloses one piece units, which are of sufficient thickness, strength and insulative properties to be directly applied to frame studding thereby eliminating the cost and expen æs oE an in~ervening suhstrate of ship-lapped boards, plyscore or ccmposition board.
SUMMARY OF T~E INUENTION
The combined backer board and siding of this invention is character-ized by being sufficiently thick at the top and bottom to serve as a rigid connection between upright studs without other support. Ihe upper edge is preferably at least one and one quarter inches in thickness as is the lower edge, the lower edge being at least about one and one half inches in thickness when the outer or front face is tapered. Unlike the above prior patents, in this invention the upper edge contains a front, upstanding tongue and a rear, downward sloping surface to shed rainwater, there being no pockets, or grooves, in the upper edge to permit water to acc~lmulate. l~e lower edge in-~l26~Z6 clu~es a rear depending tongue and a front depending tongue separated by a tongue groove which re oe ived the tongue of the next lower board. Standard boards of uniform thickness are used and preferably a compressible gasket be-tween upstanding tongue and tongue groove is provided to seal the joint be-tween boards.
To avoid leakage of air or water at the joints, when the upstanding tongue is integral the tongue groove in the lower edge is made of slightly greater dim~nsions than the corresponding dimensions of the tongue to provide a predetermined clearance spaoe for caulking or sealing comFound. No caulk-ing is necessary when the seal is a separate gasket of oompressible material.
To enable nailing of each unit directly onto the studs of a build-ing a nailing surfaoe, or plane, at an angle of about 45 to the vertical may be provided on the front upper edge. A corresponding surface, or plane, at a different angle is formed on the rear faoe of the rib depending from the front of the lower edge to create an air spaoe for ventilating the joint.
In one form of the invention the rear faoe of the unit is flatwise against the studs while a front face is inclined to present a clapboard appearance. In another form of the unit both front and rear face are parallel but the tongu~ and tongue recess position the boards with the upper edge touching the studs and the lower edge spaced away from the studs to per-mit air circulation. ln still another form of the invention, the front and rear surfaoes taper away from each other from top to bottom with plural tongues and tongue recesses which position the units with lcwer edges flat-wise against the studs and the upper edges spaoe d away from the studs for air circulation. In this form the boards are reversible.
BRIEF DESCRIPTION OF T~E DR~WING
Figure 1 is an end elevation, in section, of the combined backer board and siding units of the invention Figure 2 is a view similar to Figure 1 showing the nailing surfaoe of the invention ~ ., ~69Z6 Figure 3 is a view similar to Figure 1 showing a m~dification in which the front and rear surfaces are parallel Figure 4 is a view simil æ to Eigure 1 showing the tongue and tongue recess so located as to permit the use of boards of rectangular cross section Figure 5 is a view simil æ to Figure 1 of a modification in which there are plural tongues and tongue re oesses and the front and rear surfaces æe both tapered Figure 6 is a view similar to Eigure 5 of a reversible board, the sealing tongue being formed by an elongated flexible, resilient member and Figure 7 is a view simil æ to Figure 3 of the preferred form of the invention in which standard width boards æe provided with the tongue, groove, rib and air spaces of the invention.
DESCRIPTICN OF THE PREFERRED EMEODIMENT
-The one piece combined backer and siding board 20 of the invention includes the elongated body 21 of solid, heat insulative material such as wood 22 having a front face 23, a rear face 24, an upper edge 25 and a lower edge 26. In the embodiment of Figures 1 and 2, the rear faoe 24 is normal to the plane of the upper edge 25 and, when applied to stud 27, lies flatwise against the front face 28 of the stud in the conventio~al manner. The front faoe 23 of the board 20 is inclined from the v~rtical to taper outwardly and downwardly from upper edge 25 to lower edge 26.
Unlike relatively thin shingles, clapboards and novelty siding which must be nailed to backer boards, or plywood panels which in turn are nailed to studs, the boards 20 of this invention are about one and one quarter inches thick at the upper edge 25 and about one and one half inches thick at the lower edge 26 to provide sufficient rigidity and insulation between the conventionally sixteen inch spaoe d studs 27 to require no reinforcement.
l'he relatively thick upper edge 25 includes a sealing groove 29 of curved cross section and predetermined dimensions which extends longitudin-~126~Z6 ally along the central portion thereof and which is flanked on each opposite side by the rear, integral upstanding rib 31 and the front, integral upstand-ing rib 32. As shown in Figure 1 the front rib 32 preferably includes an under but longitudinally extending groove 33, which serves as a water check and toe nail groove. The angular cross section of groove 33 permits the upper angular surface 34 to block admission of water into the joint ketween boards while the lower angular surface 35, preferably at 45 to the vertical, provides a nailing surface which guides nails, driven normal thereto, below sealing groove 29, without entering the groove, and into a stud 27.
The relatively thick lawer edge 26 of body 21 includ~s a downwardly depending, integral sealing tongue 36 of predetermined dimensions and curved cross section which extends longitudinally along the intermediate portion of the lower edge. The dimensions of each tongue 36 and tongue groove 29 are such that when a lawer board 20 is nailed by a nail 37 to a stud 27 and the tongue of a next higher board 20 is inserted in the tongue graove there is sufficient clearance, or space, 38 at the rear of the groove 29 to re oe ive a substantial amount of caulking campound 39, thereby filling the groove 29 and tightening the seal of the joint 41 between boards.
Each board 20 includes an integral, dcwnward depending front rib 42, which extends longitudinally along lower edge 26, parallel to the tongue 36 cmd which preferably is of curved cross section as shawn. ~ the rib 42 is ccnsidered to form a rabbett groove at the lower edge 26, then the sealing tongue 36 is central of the rabbett groove as shawn. It will be seen that if, as proposed in the prior art, an upper tongue is seated in a lower tongue groove, and a lawer outer rib is also provided, there is substantial waste of lumber whereas in this invention by tongue grooving the upper edge and form-ing the depending integral, sealing tongue alongside the depending integral front rib there is much less waste of material.
As shawn in Figure 1, in the lowermost board 20, nailed to stud 27, the upper edge 43 of a vinyl plastic covering 44 may be inserted in the space ~Z~
45 behind the rib 42 and the lcwer portion 46 thereof may be pre-curved to fit around the cuLved surface 47 of rib 42 for nailing through holes 48 by nails 49.
In Figure 2 another emtodlment is illustrated in which the front rib 32 of each board 20 includes a beveled surface 51, corresponding to sur-faoe 35 and the rib 42 of each board 20 includes a rear faoe 52, uniformly spaoe d from the front faoe 23 to create a substantial air space 45.
In Figure 3 still another em oiiment is illustrated in which the board 54, corresponding to board 20, has the front faoe 55 parallel to the rear faoe 56 and the front faoe 55 is still inclined in the manner of shingles or clapboards by the positioning and structure of the tongue 57 and tongue groove 58. As shcwn, the tongue 57 extends along the lower edge 59 of the board parallel to the cover rib 61 but the rib 61 is of greater depth than tongue 57. mis construction not only enables boards of rectangular cross section to be used but also spaoes the lower edges 59 away from the studs 27 to give air acoess all around the board to prolong the useful life of oe rtain w~od.
In the emkcdiment of Figure 4 a board 62 of rectangular cross sec-tion is also used, the tongue 63 in the lcwer edge 64 being equal in depth to the depth of the rib 65 and the rib 65 and front upper rib 66 having beveled nailing surfa oes 67 and 68 respectively which form an air space 45.
In the embodimest of Figure S the board 69 has a front faoe 71 and a rear faoe 72 which are both inclined and taper away from each other from upper edge 73 to lower edge 74. The cross section of board 69 is thus symetrical so that the board is reversible. A central tongue groove 75 is flanked by rear rib 76 and front rib 77 all of curved cross .section in the upper edge 73. A central tongue 78 in the lower edge 74, seats in the tongue groove 75 of the next lowermost board, and is flanked by a lower rib 79 and a lower rear rib 81. A caulking space 38 f.or cauIking compound 39 is provided in groove 75 and an air spaoe 45 is provided under cover rib 77.
~lZ6~Z6 As shown in Figure 6 a reversible board 82, corresponding to revers-ible board 69 of Figure 5, is provided with a front, lawer, cover rib 83, a central, lawer groove 84, a rear, lower rib 85 and an upper edge tongue 86 which fits in the tongue groove 84 of the next higher board. An air spaoe 87, corresponding to air spaoe 45 is provided under cover rib 83 to ventilate the joint. In this emkcdiment, instead of an integral, depending, sealing tongue in the lower edge of each board, a resilient, compressible, element 88, which may be of 0 ring material and configuration, such as of rubber, is seated in a groove 89, to depend dcwnwardly for also seating in a correspond-ing tongue groove 91 in the upper edqe, or tongue 86, of the next lower board.
The reversible boards 82 are affixed fram bottom to top of vertical studs 92, by means of the shims 93 shown in dotted lines, for positioning ~le bottom board at the correct angle by screws or nails 94. ~he shims 93 are then re-moved and suc oe ssive, upper boards are self-positioned, without shims, an elongated member 88 being placed in the grooves 89 and 91 for slight compres-sion, to seal each joint.
In the preferred embodiment of Figure 7, the cambined backer board and siding 95 is formed fram standard boarding of uniform thickness so that no special knives are neq1ired to taper ane or both faoes thereof. Each board 95 corresponds to board 54 of Figure 3 except that ~le rear lower tongue 96, corresponding to rear lower tongue 57, is seated on a downward sloping surfaoe 97 to permit run-off of any accumulatian of moisture in the joint. Instead of a caulking spaoe, caulking co~?ound and integral dep~nding sealing tongue in a t~lgue groove, the board 95 includes a sealing gasket 98, similar to element 88 of Figure 6, the sealing gasket 98 being of resilient, flexible, compressible rubber or the like seated in a suitable gasket groove 99 in the tongue groove 84 in the board 95, and in a corresponding gasket groove 101 in the upper tangue 86 in the next lawer board and being compressed for a firm, tight seal when ane board 95 is affixed above another as illus-trated in Figure 7. An air space 102, similar to air space 45, is provided 1~269~6 under cover tongue, or rib, 103 to ventilate the joint. me shim 104 forms the starter for the boards 95, nailed by nails or screws 94. The air apaoe 105 is advantageous from an insulation point of view in the finished wall of a building.
Novelty siding has long been available to the public in . the form of elongflted boards having an upper edge with an integral upstanding tongue nnd a lower edge with a tongue recess, rabbett or groove, the front face of each board usually having a groove to simulate clapboarding.
S~ch siding, panelling or sheathing is shown in many forms in, for example, a publication entitled "Standard Patterns", Western Wood Products Co. of Western~Wood Products Association, Yeon Building, Portland, Oregon 97204.
Prior patents exemplary of such siding, decking, flooring, roofing or panelling are the following:
U`. S. Patent 2,400,357 May 14, 1946 to Krajci - U S. Patent 3,262,239 July 26, 1966 to Mills U. S. Patent 4,065,899 January 3, 1978 to Kirkhuff J
----- r~
69;~6 in all of which the siding unit has an upper tongue and lower tongue groove but requires attachment to a substrate of boards or plyscore.
In the following United States Patents, however, all of which also disclose an upper tongue and a lower tongue re oess, no backer board is used and the units are attached directly to the studs:
United States Patent 2,231,007 February 11, 1941 to Vane United States Patent 2,390,087 December 4, 1945 to Fink United States Patent 2,693,621 November 9, 1954 to Errion United States Patent 2,831,218 April 22, 1958 to Stark United States Patent 3,626,439 December 7, 1971 to Knessel United States Patent 4,034,439 July 12, 1977 to Sanders Most of the above mentioned patents disclose an outer, lower, integral depending rib on the lower edge of the board for covering the joint with the next lower most board.
The above mentioned Mills Patent 3,262,239, Fink Patent 2,390,087 and Stark Patent 2,831,218 all disclose laminated board units, and the Errio~
patent 2,693,621 discloses one piece units, which are of sufficient thickness, strength and insulative properties to be directly applied to frame studding thereby eliminating the cost and expen æs oE an in~ervening suhstrate of ship-lapped boards, plyscore or ccmposition board.
SUMMARY OF T~E INUENTION
The combined backer board and siding of this invention is character-ized by being sufficiently thick at the top and bottom to serve as a rigid connection between upright studs without other support. Ihe upper edge is preferably at least one and one quarter inches in thickness as is the lower edge, the lower edge being at least about one and one half inches in thickness when the outer or front face is tapered. Unlike the above prior patents, in this invention the upper edge contains a front, upstanding tongue and a rear, downward sloping surface to shed rainwater, there being no pockets, or grooves, in the upper edge to permit water to acc~lmulate. l~e lower edge in-~l26~Z6 clu~es a rear depending tongue and a front depending tongue separated by a tongue groove which re oe ived the tongue of the next lower board. Standard boards of uniform thickness are used and preferably a compressible gasket be-tween upstanding tongue and tongue groove is provided to seal the joint be-tween boards.
To avoid leakage of air or water at the joints, when the upstanding tongue is integral the tongue groove in the lower edge is made of slightly greater dim~nsions than the corresponding dimensions of the tongue to provide a predetermined clearance spaoe for caulking or sealing comFound. No caulk-ing is necessary when the seal is a separate gasket of oompressible material.
To enable nailing of each unit directly onto the studs of a build-ing a nailing surfaoe, or plane, at an angle of about 45 to the vertical may be provided on the front upper edge. A corresponding surface, or plane, at a different angle is formed on the rear faoe of the rib depending from the front of the lower edge to create an air spaoe for ventilating the joint.
In one form of the invention the rear faoe of the unit is flatwise against the studs while a front face is inclined to present a clapboard appearance. In another form of the unit both front and rear face are parallel but the tongu~ and tongue recess position the boards with the upper edge touching the studs and the lower edge spaced away from the studs to per-mit air circulation. ln still another form of the invention, the front and rear surfaoes taper away from each other from top to bottom with plural tongues and tongue recesses which position the units with lcwer edges flat-wise against the studs and the upper edges spaoe d away from the studs for air circulation. In this form the boards are reversible.
BRIEF DESCRIPTION OF T~E DR~WING
Figure 1 is an end elevation, in section, of the combined backer board and siding units of the invention Figure 2 is a view similar to Figure 1 showing the nailing surfaoe of the invention ~ ., ~69Z6 Figure 3 is a view similar to Figure 1 showing a m~dification in which the front and rear surfaces are parallel Figure 4 is a view simil æ to Eigure 1 showing the tongue and tongue recess so located as to permit the use of boards of rectangular cross section Figure 5 is a view simil æ to Figure 1 of a modification in which there are plural tongues and tongue re oesses and the front and rear surfaces æe both tapered Figure 6 is a view similar to Eigure 5 of a reversible board, the sealing tongue being formed by an elongated flexible, resilient member and Figure 7 is a view simil æ to Figure 3 of the preferred form of the invention in which standard width boards æe provided with the tongue, groove, rib and air spaces of the invention.
DESCRIPTICN OF THE PREFERRED EMEODIMENT
-The one piece combined backer and siding board 20 of the invention includes the elongated body 21 of solid, heat insulative material such as wood 22 having a front face 23, a rear face 24, an upper edge 25 and a lower edge 26. In the embodiment of Figures 1 and 2, the rear faoe 24 is normal to the plane of the upper edge 25 and, when applied to stud 27, lies flatwise against the front face 28 of the stud in the conventio~al manner. The front faoe 23 of the board 20 is inclined from the v~rtical to taper outwardly and downwardly from upper edge 25 to lower edge 26.
Unlike relatively thin shingles, clapboards and novelty siding which must be nailed to backer boards, or plywood panels which in turn are nailed to studs, the boards 20 of this invention are about one and one quarter inches thick at the upper edge 25 and about one and one half inches thick at the lower edge 26 to provide sufficient rigidity and insulation between the conventionally sixteen inch spaoe d studs 27 to require no reinforcement.
l'he relatively thick upper edge 25 includes a sealing groove 29 of curved cross section and predetermined dimensions which extends longitudin-~126~Z6 ally along the central portion thereof and which is flanked on each opposite side by the rear, integral upstanding rib 31 and the front, integral upstand-ing rib 32. As shown in Figure 1 the front rib 32 preferably includes an under but longitudinally extending groove 33, which serves as a water check and toe nail groove. The angular cross section of groove 33 permits the upper angular surface 34 to block admission of water into the joint ketween boards while the lower angular surface 35, preferably at 45 to the vertical, provides a nailing surface which guides nails, driven normal thereto, below sealing groove 29, without entering the groove, and into a stud 27.
The relatively thick lawer edge 26 of body 21 includ~s a downwardly depending, integral sealing tongue 36 of predetermined dimensions and curved cross section which extends longitudinally along the intermediate portion of the lower edge. The dimensions of each tongue 36 and tongue groove 29 are such that when a lawer board 20 is nailed by a nail 37 to a stud 27 and the tongue of a next higher board 20 is inserted in the tongue graove there is sufficient clearance, or space, 38 at the rear of the groove 29 to re oe ive a substantial amount of caulking campound 39, thereby filling the groove 29 and tightening the seal of the joint 41 between boards.
Each board 20 includes an integral, dcwnward depending front rib 42, which extends longitudinally along lower edge 26, parallel to the tongue 36 cmd which preferably is of curved cross section as shawn. ~ the rib 42 is ccnsidered to form a rabbett groove at the lower edge 26, then the sealing tongue 36 is central of the rabbett groove as shawn. It will be seen that if, as proposed in the prior art, an upper tongue is seated in a lower tongue groove, and a lawer outer rib is also provided, there is substantial waste of lumber whereas in this invention by tongue grooving the upper edge and form-ing the depending integral, sealing tongue alongside the depending integral front rib there is much less waste of material.
As shawn in Figure 1, in the lowermost board 20, nailed to stud 27, the upper edge 43 of a vinyl plastic covering 44 may be inserted in the space ~Z~
45 behind the rib 42 and the lcwer portion 46 thereof may be pre-curved to fit around the cuLved surface 47 of rib 42 for nailing through holes 48 by nails 49.
In Figure 2 another emtodlment is illustrated in which the front rib 32 of each board 20 includes a beveled surface 51, corresponding to sur-faoe 35 and the rib 42 of each board 20 includes a rear faoe 52, uniformly spaoe d from the front faoe 23 to create a substantial air space 45.
In Figure 3 still another em oiiment is illustrated in which the board 54, corresponding to board 20, has the front faoe 55 parallel to the rear faoe 56 and the front faoe 55 is still inclined in the manner of shingles or clapboards by the positioning and structure of the tongue 57 and tongue groove 58. As shcwn, the tongue 57 extends along the lower edge 59 of the board parallel to the cover rib 61 but the rib 61 is of greater depth than tongue 57. mis construction not only enables boards of rectangular cross section to be used but also spaoes the lower edges 59 away from the studs 27 to give air acoess all around the board to prolong the useful life of oe rtain w~od.
In the emkcdiment of Figure 4 a board 62 of rectangular cross sec-tion is also used, the tongue 63 in the lcwer edge 64 being equal in depth to the depth of the rib 65 and the rib 65 and front upper rib 66 having beveled nailing surfa oes 67 and 68 respectively which form an air space 45.
In the embodimest of Figure S the board 69 has a front faoe 71 and a rear faoe 72 which are both inclined and taper away from each other from upper edge 73 to lower edge 74. The cross section of board 69 is thus symetrical so that the board is reversible. A central tongue groove 75 is flanked by rear rib 76 and front rib 77 all of curved cross .section in the upper edge 73. A central tongue 78 in the lower edge 74, seats in the tongue groove 75 of the next lowermost board, and is flanked by a lower rib 79 and a lower rear rib 81. A caulking space 38 f.or cauIking compound 39 is provided in groove 75 and an air spaoe 45 is provided under cover rib 77.
~lZ6~Z6 As shown in Figure 6 a reversible board 82, corresponding to revers-ible board 69 of Figure 5, is provided with a front, lawer, cover rib 83, a central, lawer groove 84, a rear, lower rib 85 and an upper edge tongue 86 which fits in the tongue groove 84 of the next higher board. An air spaoe 87, corresponding to air spaoe 45 is provided under cover rib 83 to ventilate the joint. In this emkcdiment, instead of an integral, depending, sealing tongue in the lower edge of each board, a resilient, compressible, element 88, which may be of 0 ring material and configuration, such as of rubber, is seated in a groove 89, to depend dcwnwardly for also seating in a correspond-ing tongue groove 91 in the upper edqe, or tongue 86, of the next lower board.
The reversible boards 82 are affixed fram bottom to top of vertical studs 92, by means of the shims 93 shown in dotted lines, for positioning ~le bottom board at the correct angle by screws or nails 94. ~he shims 93 are then re-moved and suc oe ssive, upper boards are self-positioned, without shims, an elongated member 88 being placed in the grooves 89 and 91 for slight compres-sion, to seal each joint.
In the preferred embodiment of Figure 7, the cambined backer board and siding 95 is formed fram standard boarding of uniform thickness so that no special knives are neq1ired to taper ane or both faoes thereof. Each board 95 corresponds to board 54 of Figure 3 except that ~le rear lower tongue 96, corresponding to rear lower tongue 57, is seated on a downward sloping surfaoe 97 to permit run-off of any accumulatian of moisture in the joint. Instead of a caulking spaoe, caulking co~?ound and integral dep~nding sealing tongue in a t~lgue groove, the board 95 includes a sealing gasket 98, similar to element 88 of Figure 6, the sealing gasket 98 being of resilient, flexible, compressible rubber or the like seated in a suitable gasket groove 99 in the tongue groove 84 in the board 95, and in a corresponding gasket groove 101 in the upper tangue 86 in the next lawer board and being compressed for a firm, tight seal when ane board 95 is affixed above another as illus-trated in Figure 7. An air space 102, similar to air space 45, is provided 1~269~6 under cover tongue, or rib, 103 to ventilate the joint. me shim 104 forms the starter for the boards 95, nailed by nails or screws 94. The air apaoe 105 is advantageous from an insulation point of view in the finished wall of a building.
Claims (7)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A unitary combined backer board and clapboard comprising:
a standard wood board of uniform thickness having parallel front and rear faces, an upper edge and a lower edge;
said board being sufficiently thick and strong to be affixed with other identical said boards, horizontally one upon another, each at a slight in-cline from the vertical, directly onto vertical studs of a building;
said upper edge having an integral, elongated, upstanding tongue, of pre-determined curvature, extending along the front edge portion thereof to shed rainwater, and having an elongated, downward-sloping surface, extending along the rear edge portion thereof from said upstanding tongue to said rear face to shed rainwater;
and said lower edge having an elongated tongue groove of predetermined curvature, for receiving the upstanding tongue of the next lower board, said groove extending longitudinally along the intermediate portion of said lower edge;
said lower edge having an integral, depending, rear, lower tongue extend-ing longitudinally along the rear portion thereof and adapted to æ at on the downward sloping surface of the next lower board and said lower edge having an integral depending, front, lower, cover tongue extending longitudinally along the front portion thereof for covering the joint with the said next lower board;
the upstanding tongue of each said lower board fitting in the tongue groove of the next higher board with a predetermined clearance to form a front, air space for ventilating said joint;
and said board being free of any upstanding rear upper tongue, and free of any groove in the upper edge thereof, capable of retaining water.
a standard wood board of uniform thickness having parallel front and rear faces, an upper edge and a lower edge;
said board being sufficiently thick and strong to be affixed with other identical said boards, horizontally one upon another, each at a slight in-cline from the vertical, directly onto vertical studs of a building;
said upper edge having an integral, elongated, upstanding tongue, of pre-determined curvature, extending along the front edge portion thereof to shed rainwater, and having an elongated, downward-sloping surface, extending along the rear edge portion thereof from said upstanding tongue to said rear face to shed rainwater;
and said lower edge having an elongated tongue groove of predetermined curvature, for receiving the upstanding tongue of the next lower board, said groove extending longitudinally along the intermediate portion of said lower edge;
said lower edge having an integral, depending, rear, lower tongue extend-ing longitudinally along the rear portion thereof and adapted to æ at on the downward sloping surface of the next lower board and said lower edge having an integral depending, front, lower, cover tongue extending longitudinally along the front portion thereof for covering the joint with the said next lower board;
the upstanding tongue of each said lower board fitting in the tongue groove of the next higher board with a predetermined clearance to form a front, air space for ventilating said joint;
and said board being free of any upstanding rear upper tongue, and free of any groove in the upper edge thereof, capable of retaining water.
2. A unitary combined backer board and clapboard, as specified in Claim 1 wherein:
said board includes a gasket groove extending along the upper central portion of said tongue groove;
and an elongated sealing gasket of resilient, flexible compressible rubber, or the like, seated in said gasket groove;
said sealing gasket being adapted to be compressed for a firm, tight seal when said board is affixed horizontally above another said board.
said board includes a gasket groove extending along the upper central portion of said tongue groove;
and an elongated sealing gasket of resilient, flexible compressible rubber, or the like, seated in said gasket groove;
said sealing gasket being adapted to be compressed for a firm, tight seal when said board is affixed horizontally above another said board.
3. A unitary combined backer board and clapboard, as specified in Claim 1 wherein:
said rear lower tongue and said front lower tongue are each substantially equal in length and cross sectional curvature.
said rear lower tongue and said front lower tongue are each substantially equal in length and cross sectional curvature.
4. A unitary combined backer board and clapboard, as specified in Claim 1 wherein:
said rear lower tongue is of less thickness than the thickness of said front lower tongue.
said rear lower tongue is of less thickness than the thickness of said front lower tongue.
5. A unitary combined backer and siding board of the type sufficiently thick and strong to be affixed horizontally directly onto vertical studs of a building without an underlying layer of backer boards, plywood or the like:
said board having a lower edge, an upper edge, a rear face, a front face, and a longitudinal groove in said lower edge adapted to receive a longitudinal tongue upstanding along the front of the upper edge of the next lower board;
said board characterized by said front face and rear face being in parallelism;
said upper edge being free of grooving and having a downward sloping, longitudinal surface extending from said upstanding tongue to said rear face to shed water;
whereby said board has no pockets, or grooves in the upper edge, in which rainwater may accumulate.
said board having a lower edge, an upper edge, a rear face, a front face, and a longitudinal groove in said lower edge adapted to receive a longitudinal tongue upstanding along the front of the upper edge of the next lower board;
said board characterized by said front face and rear face being in parallelism;
said upper edge being free of grooving and having a downward sloping, longitudinal surface extending from said upstanding tongue to said rear face to shed water;
whereby said board has no pockets, or grooves in the upper edge, in which rainwater may accumulate.
6. A unitary combined backer and siding board as specified in Claim 5 plus resilient, flexible, compressible gasket means of rubber, or the like, extending longitudinally in said tongue groove and adapted to be compressed by the upstanding tongue of the next lower board to create a firm seal when one said board is affixed horizontally above another on said studs.
7. A plurality of unitary, combined backer boards and clapboards:
each said board having a lower edge, an upper edge, a rear face, a front face parallel to said rear face, a longitudinally extending tongue upstanding from the front of said upper edge and a longitudinally extending tongue groove in the central portion of said lower edge, said board characterized by;
each said tongue and groove being of curved cross section and configured to have an air space along the front of the joint between boards;
a downward sloping rear surface on said upper edge extending longitudin-ally between said upstanding tongue and said rear face; and sealing means of flexible, resilient, compressible material extending longitudinally along said front upstanding tongue for preventing water from entering said joint and accumulating in the upper edge of said board.
each said board having a lower edge, an upper edge, a rear face, a front face parallel to said rear face, a longitudinally extending tongue upstanding from the front of said upper edge and a longitudinally extending tongue groove in the central portion of said lower edge, said board characterized by;
each said tongue and groove being of curved cross section and configured to have an air space along the front of the joint between boards;
a downward sloping rear surface on said upper edge extending longitudin-ally between said upstanding tongue and said rear face; and sealing means of flexible, resilient, compressible material extending longitudinally along said front upstanding tongue for preventing water from entering said joint and accumulating in the upper edge of said board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA382,594A CA1126926A (en) | 1981-07-27 | 1981-07-27 | Unitary combined backer and siding board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA382,594A CA1126926A (en) | 1981-07-27 | 1981-07-27 | Unitary combined backer and siding board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1126926A true CA1126926A (en) | 1982-07-06 |
Family
ID=4120537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA382,594A Expired CA1126926A (en) | 1981-07-27 | 1981-07-27 | Unitary combined backer and siding board |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1126926A (en) |
-
1981
- 1981-07-27 CA CA382,594A patent/CA1126926A/en not_active Expired
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| MKEX | Expiry |