JP3657935B2 - Breathable roof base structure - Google Patents

Breathable roof base structure Download PDF

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Publication number
JP3657935B2
JP3657935B2 JP2002282793A JP2002282793A JP3657935B2 JP 3657935 B2 JP3657935 B2 JP 3657935B2 JP 2002282793 A JP2002282793 A JP 2002282793A JP 2002282793 A JP2002282793 A JP 2002282793A JP 3657935 B2 JP3657935 B2 JP 3657935B2
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Japan
Prior art keywords
heat insulating
roof
insulating material
roof panel
rafter
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JP2002282793A
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Japanese (ja)
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JP2004116191A (en
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茂清 柘植
博 兵道
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キッコーナ株式会社
サーラ住宅株式会社
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Description

【0001】
【産業上の利用分野】
本発明は屋根パネルを使用した通気性屋根下地構造に関するものである。
【0002】
【従来の技術】
従来の通気性屋根下地構造としては、図12に示すように、下側野地面材(22)の上面に所定間隔をおいて胴縁(24)を固定し、該胴縁(24)間に断熱材(23)を挿入し、該胴縁(24)を該断熱材(23)上面から突出させた屋根下地パネル(21)を垂木(26)上に固定し、該屋根下地パネル(21)の胴縁(24)の上側に上側野地面材(25)を張設する構造が提供されている。
【0003】
【発明が解決しようとする課題】
上記従来の通気性屋根下地構造にあっては、胴縁(24)がスペーサーとなって断熱材(23)と上側野地面材(25)との間に間隙(27)を設けられており、該間隙(27)によって通気性が付与される。しかし野地面材が上側と下側とに必要であり、また胴縁も必要であるので、部材点数が多くなり、材料費も高くなるし構築にも手間がかゝると云う問題点がある。また屋根の厚さも厚くなるため建物の意匠性にも劣ると云う問題点がある。
【0004】
【課題を解決するための手段】
本発明は上記従来の課題を解決するための手段として、野地面材 (2) の下面に複数条の通気路 (4) を貫設したプラスチック発泡体からなる断熱材 (3) の複数枚を垂木嵌合溝 (5,5A) を介して接着した屋根パネル (1) を使用して寄棟部 (17A) または本谷部 (17C) が存在する屋根を構築する場合、上記屋根パネル (1) を屋根骨格の垂木 (6) 上に被着し、該垂木 (6) を該屋根パネル (1) の断熱材 (3) の垂木嵌合溝 (5,5A) に嵌合し、軒先と棟部とにおいて該屋根パネル (1) の断熱材 (3) の通気路 (4) を外気に開放し、上記寄棟部 (17A) または本 谷部 (17C) の個所においては、左右の屋根パネル (1) の断熱材 (3) をそれぞれ切除し、かつ左右の屋根パネル (1) の野地面材 (2) 端縁を間隙を設けて対向させ、更に該屋根パネル (1,1) の断熱材 (3,3) の上記切除部分に左右の垂木 (6) 間に介在する隅木 (18) または谷木 (19) を嵌合し、該隅木 (18) または谷木 (19) の天端を該屋根パネル (1,1) の断熱材 (3,3) の通気路 (4,4) 下端と一致せしめた通気性屋根下地構造を提供するものである。
記断熱材(3) の通気路(4) は該断熱材(3) の上面に貫設されることが望ましく、更に垂木嵌合溝(5,5A)は該断熱材(3) を下面から切除して該断熱材(3) を分割することによって設けられることが望ましい。
更に上記通気性屋根下地構造にあっては、少なくとも該屋根パネル(1,1) 相互の接続部において、該屋根パネル(1,1) の断熱材(3,3) と垂木(6) との接合面にはシール材(8) が介在していることが望ましく、また垂木(6) 上に被着された屋根パネル(1) の断熱材(3) の下面は軒先部において壁断熱材(20)の上端に当接させ、該屋根パネル(1) の断熱材(3) の下面と壁断熱材(20)の上端との間に形成される隙間にはシール材(9) を充填し、棟部にあっては左右の屋根パネル(1,1) の隙間には該屋根パネル(1,1) の断熱材(3,3) の通気路(4,4) を閉塞しないようにしてシール材(10)を充填することが望ましい。そして該シール材(10)は軟質プラスチック発泡体からなる断熱性シール材であることが望ましい。
【0005】
【作用】
上記屋根パネル(1) を使用した通気性屋根下地構造にあっては、断熱材(3) に通気路(4) が設けられており、この通気路(4) が軒先と棟部とにおいて外気に開放されているので、屋根の厚さを厚くすることなく屋根の通気性が確保される。
【0006】
少なくとも該屋根パネル(1,1) 相互の接続部において、該屋根パネル(1,1) の断熱材(3,3) と垂木(6,6) との接合面にはシール材(8) を介在させれば、屋根下地構造の気密性が確保される。更に垂木(6) 上に被着された屋根パネル(1) の断熱材(3) の下面は軒先部において壁断熱材(20)の上端に当接させ、該屋根パネル(1) の断熱材(3) の下面と壁断熱材(20)の上端との間に形成される隙間にはシール材(9) を充填し、棟部にあっては左右の屋根パネル(1,1) の隙間には該屋根パネル(1,1) の断熱材(3,3) の通気路(4,4) を閉塞しないようにしてシール材(10)を充填すると、屋根下地構造の気密性が確保されるが、該シール材(10)を軟質プラスチック発泡体からなる断熱性シール材とすれば、連続した断熱構造を有する屋根下地構造となり、屋根(17)の断熱性が向上する。構築される屋根(17)に寄棟部(17A) または本谷部(17C) が存在するが、この部分で左右の屋根パネルの断熱材をそれぞれ切除し、かつ左右の屋根パネル(1,1) の野地面材(2) 端縁を間隙を設けて対向させ、更に該屋根パネル(1,1) の断熱材(3,3) の上記切除部分に左右の垂木(6,6) 間に介在する隅木(18)または谷木(19)を嵌合し、該隅木(18)または谷木(19)の天端を該屋根パネル(1,1) の断熱材(3,3) の通気路(4,4) 下端と一致せしめて断熱性と通気性とを確保する。
【0007】
【発明の実施の形態実施】
本発明を図1〜図11に示す一実施例によって以下に説明する。屋根パネル(1) は野地面材(2) と、該野地面材(2) の下面に接着剤によって接着されている断熱材(3) とからなる。該断熱材(3) はポリスチレン発泡体、ポリエチレン発泡体、ポリプロピレン発泡体、半硬質ポリウレタン発泡体、フェノール樹脂発泡体、メラミン樹脂発泡体等のプラスチック発泡体からなり、上面には複数条(本実施例では6条)の通気路(4) が形成されている。該通気路(4) の間隔は後述する垂木嵌合溝を形成する余地を考慮して中央部において広く設定しておく。
【0008】
該断熱材(3) は成形時に通気路(4) を一体的に形成するか、あるいは成形後に通気路(4) を切削加工等によって形成する。
【0009】
図2には野地面材(2) の下面に断熱材(3) を接着した構成が示されるが、該断熱材(3) を図2点線に沿って切除して図3に示すように垂木嵌合溝(5,5A)を形成する。なお両端の嵌合溝(5A)の巾は他の嵌合溝(5) の巾の1/2に設定する。
【0010】
このようにして図3に示す屋根パネル(1) が作成され、図4に示すように該屋根パネル(1) は屋根骨格の垂木(6) 上に被着され、該垂木(6) を該屋根パネル(1) の断熱材(3) の垂木嵌合溝(5,5A)に嵌合する。
【0011】
図5に示すように該垂木(6) は下側において軒桁(7A)、母屋(7B)、棟木(7C)によって支持されている。そして該屋根パネル(1) の横方向の相互接続部においては、該断熱材(3) と垂木(6) との間にシール材(8) を介在させて気密性を確保している。
【0012】
更に軒先部にあっては該屋根パネル(1) の断熱材(3) の通気路(4) 軒先側端は外気に開放されており、また該断熱材(3) の下面は壁断熱材(20)の上端と当接しており、該屋根パネル(1) の断熱材(3) の下面と該壁断熱材(20)の上端との間に形成されている隙間には軟質ポリウレタン発泡体、軟質ポリ塩化ビニル発泡体、合成ゴムスポンジ等の軟質プラスチック発泡体からなる断熱性シール材(9) を充填し、屋根の断熱材(3) と壁断熱材(20)との接合部において、断熱構造の連続性が断たれることを防止している。更に棟部にあっても左右の屋根パネル(1,1) の接合部の隙間にも、同様な断熱性シール材(10)が充填されて断熱構造の連続性が断たれることを防止しているが、該断熱性シール材(10)は該屋根パネル(1) の通気路(4) を閉塞しないようにし、棟に沿って左右の屋根パネル(1,1) 間に形成される横通気路(11)に該屋根パネル(1,1) の各通気路(4,4) の棟側端が開放されるように設定されている。
【0013】
該屋根パネル(1) の野地面材(2) の上面には、屋根材(12)が葺設される。そして棟部にあっては笠木(13,13) を介して水切り板(14)が被覆されているが、該水切り板(14)と屋根材(12)との間にはシール材(15)が充填されている。そして棟部所定個所には図6に示すような棟換気部材(16)が被着されており、屋根(17)の該横通気路(11)が該棟換気部材(16)を介して外気に開放されるように設定されている。該棟換気部材(16)はポリプロピレン、ポリ塩化ビニル等のプラスチックを材料とし、笠形水切り板(16A) と、該水切り板(16A) の下面両側に接着される通気性ブロック(16B) とからなり、該通気性ブロック(16B) には例えばハニカム状に多数の連通孔が設けられている。
【0014】
上記屋根(17)にあっては、軒先側の換気は屋根パネル(1) の通気路(4) の軒先端が直接外気に開放していることによって行なわれ、棟側換気は屋根パネル(1) の通気路(4) が横通気路(11)に開放され、該横通気路(11)が該棟換気部材(16)を介して外気に開放されることによって行なわれる。
【0015】
屋根(17)には図8に示すように両端が内側に傾斜している寄棟部(17A) が形成される。図9に示すように寄棟部(17A) においては、左右の屋根パネル(1,1) の断熱材(3) の寄棟側端部を切欠き、その間に隅木(18)が嵌合された状態とする。この際左右の屋根パネル(1,1) の通気路(4,4) の下端と該隅木(18)の天端とを一致させ該通気路(4,4) が該隅木(18)によって閉塞されないようにし、かつ左右の屋根パネル(1,1) の野地面材(2,2) が間隙を介して相対するように設定し、寄棟部(17A) に形成される通気路(11A) を屋根(17)の横通気路(11)に開放する。なお隅木(18)とその両側の屋根パネル(1,1) の断熱材(3,3) の接触部下端は断熱性シール材(10A) によってシールして、断熱性を確保する。
【0016】
更に図10に示すように中央から直角に屋根(17B) が分岐した構造のものがある。この場合には屋根(17)と分岐屋根(17B) との間に本谷部(17C) が形成される。この場合においても図11に示すように屋根パネル(1,1) の断熱材(3,3) の本谷部側端部を切欠き、その間に谷木(19)が嵌合された状態とする。その際左右の屋根パネル(1,1) の通気路(4,4) の下端と該谷木(19)の天端とを一致させ、該通気路(4,4) が該谷木(19)によって閉塞されないようにし、かつ左右の屋根パネル(1,1) の野地面材(2,2) が間隙を介して相対するように設定し、本谷部(17C) に外気に開放する通気路(11B) を確保する。なお本谷部(17C) にあっては逆笠形の水切り板(14A) がシール材(15A) を介して被着されている。
【0017】
本実施例では断熱材の上面に通気路を形成したが、断熱材の中間に通気路を穿設してもよい。しかし断熱材上面に通気路を形成した方が加工が便利である。
更に垂木嵌合溝は断熱材を切除して設ける以外、断熱材を垂木嵌合溝分間隔をあけて野地面材に接着することによって設けてもよい。
【0018】
【発明の効果】
本発明においては、胴縁や野地面板をもう一枚必要とすることなく、少ない部材で効率良く屋根の換気を図ることが出来る。
【図面の簡単な説明】
図1〜図11は本発明の一実施例を示すものである。
【図1】断熱材および野地面材の部分斜視図
【図2】野地面材に断熱材を接着した状態の断面図
【図3】屋根パネルの横断面図
【図4】屋根パネルを屋根骨格上に被着した状態の部分横断面図
【図5】屋根パネルを屋根骨格上に被着した状態の部分縦断面図
【図6】棟部の横断面図
【図7】棟換気部材の正面図
【図8】寄棟部を有する屋根の説明図
【図9】図8におけるA−A断面図
【図10】本谷部を有する屋根の説明図
【図11】図9におけるB−B断面図
【図12】従来例の屋根パネルを屋根上に被着した状態の部分横断面図
【符号の説明】
1 屋根パネル
2 野地面材
3 断熱材
4 通気路
5,5A 垂木嵌合溝
6 垂木
8,9,10 シール材
17 屋根
18 隅木
19 谷木
20 壁断熱材
[0001]
[Industrial application fields]
The present invention relates to breathable roof bed structure using roof panel.
[0002]
[Prior art]
As shown in FIG. 12, the conventional breathable roof foundation structure has a trunk edge (24) fixed on the upper surface of the lower field material (22) at a predetermined interval, and the gap between the trunk edges (24). Inserting a heat insulating material (23), fixing the roof base panel (21) with the trunk edge (24) protruding from the top surface of the heat insulating material (23) on the rafter (26), the roof base panel (21) There is provided a structure in which an upper field material (25) is stretched on the upper side of the trunk edge (24).
[0003]
[Problems to be solved by the invention]
In the conventional breathable roof base structure, a gap (27) is provided between the heat insulating material (23) and the upper field material (25) with the trunk edge (24) serving as a spacer, Air permeability is imparted by the gap (27). However, since the ground material is necessary for the upper side and the lower side, and the body edge is also necessary, there are problems that the number of members is increased, the material cost is increased, and the construction is troublesome. . In addition, since the thickness of the roof is increased, there is a problem that the design of the building is inferior.
[0004]
[Means for Solving the Problems]
As a means for the present invention is to solve the above-field ground material (2) in plural rows ventilation paths of the lower surface (4) made of plastic foam was formed through the insulation material a plurality of (3) When building a roof with a dormitory part (17A) or Motoya part (17C) using the roof panel (1) bonded through the rafter fitting groove (5, 5A) , the roof panel (1) It was deposited on the roof skeleton rafters (6), fitted to said vertical tree (6) to the rafters fitting groove (5, 5A) of the heat insulating material of the roof panel (1) (3), doors and ridge heat insulating material of the roof panel (1) (3) the ventilation passage (4) open to the outside air in the part, in the location of the hip portion (17A) or the valley (17C), left and right roof panel The heat insulating material (3 ) of (1) is cut off, and the field material (2) of the left and right roof panels (1) are opposed to each other with a gap therebetween, and further the heat insulation of the roof panel (1,1) the resection portion Sumiki interposed between left and right rafters (6) of the timber (3,3) (18) or Taniki (19) Fitted,該隅wood (18) or Taniki ventilation passage (4,4) caused to coincide with the lower air permeability of the insulation to crest said roof panels (1,1) (3,3) (19) A roof base structure is provided.
Air passage above Kidan thermal material (3) (4) preferably be formed through the upper surface of the heat insulating material (3), further rafters fitting groove (5, 5A) is the thermal insulation material (3) It is desirable to be provided by dividing the heat insulating material (3) by cutting it from the lower surface.
Further, in the above-described breathable roof base structure, at least the connection between the roof panels (1,1), the insulating material (3,3) of the roof panel (1,1) and the rafter (6) It is desirable that a sealing material (8) is interposed on the joint surface, and the lower surface of the heat insulating material (3) of the roof panel (1) deposited on the rafter (6) is a wall heat insulating material (e.g. 20), and the gap formed between the lower surface of the heat insulating material (3) of the roof panel (1) and the upper end of the wall heat insulating material (20) is filled with a sealing material (9). In the ridge, do not block the air passages (4,4) of the heat insulating material (3,3) of the roof panel (1,1) in the gap between the left and right roof panels (1,1). It is desirable to fill the sealing material (10). And said sealing member (10) is not to want to be thermally insulating sealing member made of soft plastic foam.
[0005]
[Action]
In the breathable roof foundation structure using the above roof panel (1), the heat insulating material (3) is provided with a ventilation path (4), and this ventilation path (4) is open to the outside of the eaves and the ridge. The air permeability of the roof is ensured without increasing the thickness of the roof.
[0006]
At least at the connection between the roof panels (1,1), a sealing material (8) is provided on the joint surface between the heat insulating material (3,3) and the rafters (6,6) of the roof panel (1,1). If interposed, the airtightness of the roof base structure is ensured. Furthermore, the lower surface of the heat insulating material (3) of the roof panel (1) deposited on the rafter (6) is brought into contact with the upper end of the wall heat insulating material (20) at the eaves portion, and the heat insulating material of the roof panel (1) The gap formed between the lower surface of (3) and the upper end of the wall insulation (20) is filled with sealing material (9), and in the ridge, the gap between the left and right roof panels (1,1) If the sealing material (10) is filled so as not to block the air passages (4,4) of the heat insulating material (3,3) of the roof panel (1,1), the airtightness of the roof base structure is ensured. However, if the sealing material (10) is a heat insulating sealing material made of a soft plastic foam, a roof base structure having a continuous heat insulating structure is obtained, and the heat insulating property of the roof (17) is improved. Hip portion on the roof (17) being constructed (17A) or Motoya portion (17C) but is present, the insulation roof panels of the left and right in this part was excised respectively, and left and right roof panel (1,1) Field ground material (2) The edges of the roof panel (1,1) face each other with a gap between them, and the roof panel (1,1) is insulated between the left and right rafters (6,6) in the cut portion of the heat insulating material (3,3). The corner panel (18) or the valley tree (19) is fitted, and the top edge of the corner tree (18) or the valley tree (19) is connected to the ventilation path of the heat insulating material (3, 3) of the roof panel (1, 1). (4,4) Align with the lower end to ensure heat insulation and air permeability.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention will be described below with reference to an embodiment shown in FIGS. The roof panel (1) includes a field material (2) and a heat insulating material (3) bonded to the lower surface of the field material (2) with an adhesive. The heat insulating material (3) is made of plastic foam such as polystyrene foam, polyethylene foam, polypropylene foam, semi-rigid polyurethane foam, phenol resin foam, melamine resin foam, etc. In the example, an air passage (4) of 6) is formed. The space between the air passages (4) is set wide in the central portion in consideration of a room for forming a rafter fitting groove to be described later.
[0008]
The heat insulating material (3) forms the air passage (4) integrally at the time of molding, or forms the air passage (4) by cutting or the like after molding.
[0009]
FIG. 2 shows a configuration in which a heat insulating material (3) is bonded to the lower surface of the field ground material (2). The heat insulating material (3) is cut out along the dotted line in FIG. 2 and a rafter as shown in FIG. A fitting groove (5, 5A) is formed. The width of the fitting groove (5A) at both ends is set to ½ of the width of the other fitting groove (5).
[0010]
Thus, the roof panel (1) shown in FIG. 3 is prepared. As shown in FIG. 4, the roof panel (1) is deposited on the rafter (6) of the roof skeleton, and the rafter (6) is attached to the rafter (6). It fits into the rafter fitting groove (5, 5A) of the heat insulating material (3) of the roof panel (1).
[0011]
As shown in FIG. 5, the rafter (6) is supported on the lower side by an eaves girder (7A), a purlin (7B), and a purlin (7C). And in the interconnection part of the horizontal direction of this roof panel (1), sealing material (8) is interposed between this heat insulating material (3) and rafter (6), and airtightness is ensured.
[0012]
Further, in the eaves portion, the air passage (4) eaves side end of the heat insulating material (3) of the roof panel (1) is open to the outside air, and the lower surface of the heat insulating material (3) is a wall heat insulating material ( 20), and the gap formed between the lower surface of the heat insulating material (3) of the roof panel (1) and the upper end of the wall heat insulating material (20) is a flexible polyurethane foam, It is filled with a heat-insulating sealing material (9) made of soft plastic foam such as soft polyvinyl chloride foam or synthetic rubber sponge, and heat insulation is made at the joint between the roof heat insulating material (3) and the wall heat insulating material (20). This prevents the continuity of the structure from being interrupted. Furthermore, even in the ridge, the gap between the joints of the left and right roof panels (1,1) is filled with the same heat insulating sealing material (10) to prevent the continuity of the heat insulating structure from being interrupted. However, the heat-insulating sealing material (10) does not block the air passage (4) of the roof panel (1), and is formed between the left and right roof panels (1, 1) along the ridge. It is set so that the ridge side end of each ventilation channel (4, 4) of the roof panel (1, 1) is opened to the ventilation channel (11).
[0013]
On the upper surface of the field material (2) of the roof panel (1), a roof material (12) is provided. And in the ridge, the draining board (14) is covered via the caps (13, 13), and the sealing material (15) is provided between the draining board (14) and the roofing material (12). Is filled. A building ventilation member (16) as shown in FIG. 6 is attached to a predetermined portion of the building, and the lateral ventilation path (11) of the roof (17) passes through the building ventilation member (16). It is set to be released. The building ventilation member (16) is made of plastic, such as polypropylene and polyvinyl chloride, and is composed of a cap-shaped draining plate (16A) and a breathable block (16B) bonded to both sides of the lower surface of the draining plate (16A). The air-permeable block (16B) is provided with a large number of communication holes, for example, in a honeycomb shape.
[0014]
In the roof (17) above, the ventilation on the eaves side is performed by the eave end of the ventilation channel (4) of the roof panel (1) being directly open to the outside air, and the ventilation on the ridge side is performed on the roof panel (1 ) Is opened to the lateral ventilation path (11), and the lateral ventilation path (11) is opened to the outside air through the building ventilation member (16).
[0015]
As shown in FIG. 8, the roof (17) is formed with a dormitory (17A) whose both ends are inclined inward . The hip portion Te (17A) odor, as shown in FIG. 9, notches a hipped end insulation of the left and right roof panel (1, 1) (3), Sumiki (18) is fitted in between Combined state. At this time, the lower ends of the air passages (4, 4) of the left and right roof panels (1, 1) are aligned with the top ends of the corner trees (18) so that the air passages (4, 4) are blocked by the corner trees (18). The air channel (11A) formed in the berth (17A) is set so that the ground material (2,2) of the left and right roof panels (1,1) face each other through a gap. Is opened to the side ventilation passage (11) of the roof (17). The lower end of the contact portion of the heat insulating material (3, 3) between the corner tree (18) and the roof panels (1, 1) on both sides thereof is sealed with a heat insulating sealing material (10A) to ensure heat insulation.
[0016]
Further, as shown in FIG. 10, there is a structure in which a roof (17B) branches at a right angle from the center. In this case, the main valley portion (17C) is formed between the roof (17) and the branched roof (17B). Also in this case, as shown in FIG. 11, the main valley side end of the heat insulating material (3, 3) of the roof panel (1, 1) is cut out, and the valley (19) is fitted between them. . At that time, the lower ends of the ventilation paths (4, 4) of the left and right roof panels (1, 1) are aligned with the top ends of the valley trees (19), and the ventilation paths (4, 4) are arranged in the valley trees (19 ), And the ground material (2,2) of the left and right roof panels (1,1) is set to face each other with a gap between them, and the ventilation path opens to the main valley (17C) to the outside air. (11B) is secured. In Motoya (17C), a reverse-shaded drainer (14A) is attached via a sealing material (15A).
[0017]
In this embodiment, the air passage is formed on the upper surface of the heat insulating material, but the air passage may be formed in the middle of the heat insulating material. However, it is more convenient to form an air passage on the upper surface of the heat insulating material.
Further, the rafter fitting groove may be provided by adhering the heat insulating material to the field ground material with an interval corresponding to the rafter fitting groove, in addition to cutting the heat insulating material.
[0018]
【The invention's effect】
In the present invention, it is possible to efficiently ventilate the roof with a small number of members without the need for another torso or a ground plane board.
[Brief description of the drawings]
1 to 11 show an embodiment of the present invention.
[Fig. 1] Partial perspective view of heat insulating material and field material [Fig. 2] Cross-sectional view of heat insulating material bonded to field material [Fig. 3] Cross-sectional view of roof panel [Fig. 4] Roof panel with roof skeleton Partial cross-sectional view of the roof panel [Fig. 5] Partial vertical cross-sectional view of the roof panel deposited on the roof skeleton [Fig. 6] Cross-sectional view of the ridge [Fig. 7] Front of the building ventilation member FIG. 8 is an explanatory view of a roof having a dormitory part. FIG. 9 is a cross-sectional view taken along line AA in FIG. 8. FIG. 10 is an explanatory view of a roof having a main valley part. FIG. 12 is a partial cross-sectional view of a state in which a conventional roof panel is attached on a roof.
1 Roof panel
2 Field material
3 Insulation
4 Ventilation path
5,5A rafter mating groove
6 rafters
8,9,10 Sealing material
17 Roof
18 Sumiki
19 Tanigi
20 Wall insulation

Claims (6)

野地面材の下面に複数条の通気路を貫設したプラスチック発泡体からなる断熱材の複数枚を垂木嵌合溝を介して接着した屋根パネルを使用して寄棟部または本谷部が存在する屋根を構築する場合、上記屋根パネルを屋根骨格の垂木上に被着し、該垂木を該屋根パネルの断熱材の垂木嵌合溝に嵌合し、軒先と棟部とにおいて該屋根パネルの断熱材の通気路を外気に開放し、上記寄棟部または本谷部の個所においては、左右の屋根パネルの断熱材をそれぞれ切除し、かつ左右の屋根パネルの野地面材端縁を間隙を設けて対向させ、更に該屋根パネルの断熱材の上記切除部分に左右の垂木間に介在する隅木または谷木を嵌合し、該隅木または谷木の天端を該屋根パネルの断熱材の通気路下端と一致せしめたことを特徴とする通気性屋根下地構造。There is a dormitory section or a main valley section using a roof panel in which a plurality of insulation materials made of plastic foam with a plurality of air passages provided on the lower surface of the field ground material are bonded through rafter fitting grooves. When constructing a roof, the roof panel is deposited on a rafter of a roof skeleton, the rafter is fitted into a rafter fitting groove of a heat insulating material of the roof panel, and heat insulation of the roof panel is performed at the eaves and the ridge. Open the ventilation path of the material to the outside air, cut off the heat insulating material of the left and right roof panels at the above-mentioned dormitory part or the main valley part, and provide a gap between the edges of the field ground material of the left and right roof panels. Further, a corner tree or a valley tree interposed between the left and right rafters is fitted to the cut portion of the heat insulating material of the roof panel, and the top end of the corner tree or the valley tree is connected to the lower end of the ventilation path of the heat insulating material of the roof panel. Breathable roof foundation structure characterized by matching with. 該断熱材の通気路は該断熱材の上面に貫設される請求項1に記載の通気性屋根下地構造The breathable roof foundation structure according to claim 1, wherein the ventilation path of the heat insulating material is provided through the upper surface of the heat insulating material. 該垂木嵌合溝は該断熱材を下面から切除して該断熱材を分割することによって設けられる請求項1または2に記載の通気性屋根下地構造The breathable roof foundation structure according to claim 1 or 2, wherein the rafter fitting groove is provided by cutting the heat insulating material from the lower surface and dividing the heat insulating material. 少なくとも該屋根パネル相互の接続部において、該屋根パネルの断熱材と垂木との接合面にはシール材が介在している請求項1〜3に記載の通気性屋根下地構造。The breathable roof foundation structure according to any one of claims 1 to 3, wherein a sealing material is interposed at a joint surface between the heat insulating material and the rafter of the roof panel at least at a connection portion between the roof panels. 該垂木上に被着された屋根パネルの断熱材の下面は軒先部において壁断熱材の上端に当接させ、該屋根パネルの断熱材の下面と壁断熱材の上端との間に形成される隙間にはシール材を充填し、棟部にあっては左右の屋根パネルの隙間には該屋根パネルの断熱材の通気路を閉塞しないようにしてシール材を充填した請求項1〜4に記載の通気性屋根下地構造。The lower surface of the heat insulating material of the roof panel deposited on the rafter is brought into contact with the upper end of the wall heat insulating material at the eave portion, and is formed between the lower surface of the heat insulating material of the roof panel and the upper end of the wall heat insulating material. The gap is filled with a sealing material, and in the ridge, the gap between the left and right roof panels is filled with the sealing material so as not to block the air passage of the heat insulating material of the roof panel. Breathable roof foundation structure. 該シール材は軟質プラスチック発泡体からなる断熱性シール材である請求項4または5に記載の通気性屋根下地構造。The breathable roof foundation structure according to claim 4 or 5, wherein the sealing material is a heat insulating sealing material made of a soft plastic foam.
JP2002282793A 2002-09-27 2002-09-27 Breathable roof base structure Expired - Lifetime JP3657935B2 (en)

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JP2008202270A (en) * 2007-02-19 2008-09-04 Kikkona Kk Roof panel and venting roof underlayer structure
JP4743639B2 (en) * 2007-07-19 2011-08-10 株式会社テスク Wooden exterior insulation roof structure
JP4743907B2 (en) * 2008-10-02 2011-08-10 株式会社テスク Breathable heat insulating roof composite panel and wooden exterior heat insulating roof structure using the panel

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