FR2529241A1 - Reinforced expanded polyurethane coating - for fragile corrugated roofs panels gives safe installation and maintenance - Google Patents
Reinforced expanded polyurethane coating - for fragile corrugated roofs panels gives safe installation and maintenance Download PDFInfo
- Publication number
- FR2529241A1 FR2529241A1 FR8211373A FR8211373A FR2529241A1 FR 2529241 A1 FR2529241 A1 FR 2529241A1 FR 8211373 A FR8211373 A FR 8211373A FR 8211373 A FR8211373 A FR 8211373A FR 2529241 A1 FR2529241 A1 FR 2529241A1
- Authority
- FR
- France
- Prior art keywords
- coating
- foam
- cover
- net
- mesh
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 title description 4
- 238000012423 maintenance Methods 0.000 title description 3
- 239000011527 polyurethane coating Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 239000004952 Polyamide Substances 0.000 claims abstract description 3
- 229920002647 polyamide Polymers 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000006260 foam Substances 0.000 claims description 15
- 238000005187 foaming Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000008961 swelling Effects 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims 1
- 239000011496 polyurethane foam Substances 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000001413 cellular effect Effects 0.000 abstract 3
- 230000001680 brushing effect Effects 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 229920005749 polyurethane resin Polymers 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
- E04D13/1668—Insulation of the roof covering characterised by its integration in the roof structure the insulating material being masses or granules applied in situ
- E04D13/1675—Insulation of the roof covering characterised by its integration in the roof structure the insulating material being masses or granules applied in situ on saddle-roofs or inclined roof surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D7/00—Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0281—Repairing or restoring roofing or roof covering
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
11 est de plus en plus souvent nécessaire d'appliquer sur la toiture des bâtiments un revêtement assurant une isolation et une étanchéité renforcées. It is more and more often necessary to apply a coating to the roof of buildings ensuring reinforced insulation and tightness.
Or, certains matériaux de couverture, et notamment l'amiante-ciment, sont fragiles et ne peuvent supporter le personnel d'exécution qu'à la condition que celui-ci prenne d'infinies précautions.However, certain roofing materials, and in particular asbestos-cement, are fragile and can only support the execution personnel on condition that they take infinite precautions.
Par exemple, un platelage de répartition des efforts doit être mis en place et la circulation ne doit être permise qu'au droit de pannes supports de l'amiante-ciment, ce qui correspond sur la courverture aux recouvrements entre plaques,balisés généralement par les têtes des crochets de fixation. For example, a load distribution deck must be put in place and circulation must be allowed only in the event of asbestos-cement support failures, which corresponds on the cover to the overlaps between plates, generally marked by heads of the fixing hooks.
Des filets de sécurité peuvent bien, en principe, être montés en sous face de la couverture. Safety nets can well, in principle, be mounted on the underside of the cover.
Malheureusement, l'accrochage d'un tel filet est souvent une opération périlleuse et/ou implique le démontage des éléments de faux-plafond, ce qui est mal aisé lorsque les combles sont étroits. I1 en résulte un risque important de mise en place défectueuse créant une fausse sécurité encore plus dangereuse que l'absence de filet.Unfortunately, the attachment of such a net is often a perilous operation and / or involves the dismantling of the false ceiling elements, which is difficult when the roof spaces are narrow. I1 results in a significant risk of defective installation creating false security even more dangerous than the absence of a net.
Dans certains cas, en outre, la présence de suspentes de faux-plafond interdit la pause de filets de sécurité. In some cases, moreover, the presence of suspended ceiling lines prohibits the break of safety nets.
Bien entendu, ce problème se pose également lors des interventions d'entretien nécessaire à la bonne tenue de la couverture. Il ne peut être question d'établir une sécurité en sous face à chaque intervention et les revêtements actuellement utilisés oht une faible résistance à la fissuration, leur stabilité étant tributaire de celle du support. Of course, this problem also arises during maintenance operations necessary for the good performance of the cover. There can be no question of establishing security on the underside of each intervention and the coatings currently used have a low resistance to cracking, their stability being dependent on that of the support.
La présente invention a pour but de remédier à ces inconvénients en fournissant un revêtement qui présente une résistance mécanique suffisante et une stabilité propre. The object of the present invention is to remedy these drawbacks by providing a coating which has sufficient mechanical strength and inherent stability.
Cette invention a en effet pour objet un revêtement d'isolation et d-'étanchéité qui comporte un produit mousse d'isolation et d1étanchéité,adhérant bien à la couverture,dans lequel est noyé un treillis formant armature de renforcement. The subject of this invention is in fact an insulation and sealing coating which comprises a foam insulation and sealing product, adhering well to the covering, in which a mesh forming a reinforcing reinforcement is embedded.
Le produit mousse est de préférence un polyuréthane et le treillis est constitué par un filet en métal, matière plastique, fibre de verre ou toute autre matière compatible avec le polyurethane. The foam product is preferably a polyurethane and the mesh consists of a metal, plastic, fiberglass or other material compatible with polyurethane.
La présence du treillis d'armature donne au revêtement et par suite a la couverture sur laquelle il est fixé une résistance telle qu'elle permet toutes les interventions nécessaires et la circulation en tout point. The presence of the reinforcing mesh gives the covering and consequently the covering on which it is fixed a resistance such that it allows all the necessary interventions and circulation at any point.
L'invention s'étend également un procédé préféré de formation du revetement qui consiste à étendre un treillis sur la couverture déjà en place, à déposer un produit moussant et susceptible d'adhérer à la couverture, encore à l'état liquide, sur la surface sur laquelle est étendu le treillis, a laisser ce produit à la fois adhérer a la couverture et gonfler en enrobant le treillis; puis à déposer une seconde couche de produit moussant à l'état liquide sur la couche de mousse déjà formée. The invention also extends a preferred method of forming the coating which consists in spreading a mesh on the cover already in place, in depositing a foaming product capable of adhering to the cover, still in the liquid state, on the surface on which the trellis is spread, let this product both adhere to the cover and swell by coating the trellis; then depositing a second layer of foaming product in the liquid state on the foam layer already formed.
Le treillis est réalisé de manière à présenter une résistance mécanique suffisante pour jouer le rôle de filet de sécurité lors des étapes ultérieures de la formation du revêtement, ce qui supprime lescontraintes et précautions habituellement nécessaires. En outre, il reste dans le revêtement et assure la même sécurité pendant toute la vie du revêtement. The trellis is made so as to have sufficient mechanical strength to act as a safety net during the subsequent stages of the formation of the covering, which eliminates the constraints and precautions usually necessary. In addition, it remains in the coating and ensures the same safety throughout the life of the coating.
Selon une caractéristique de l'invention, le produit moussant liquide est déposé par projection ou à la brosse. According to a characteristic of the invention, the liquid foaming product is deposited by spraying or with a brush.
La description ci-dessous d'un mode de mise en oeuvre fera ressortir les avantages et caractéristiques de 11 invention. Sur les dessins
- La Fig. 1 est une vue en coupe verticale d'un revêtement selon l'invention en place sur une couverture;
- La Fig. 2 montre, en perspective, une couverture en cours de revêtement, après la mise en place du treillis.The description below of an embodiment will highlight the advantages and characteristics of the invention. On the drawings
- Fig. 1 is a vertical section view of a coating according to the invention in place on a cover;
- Fig. 2 shows, in perspective, a cover being coated, after the installation of the trellis.
Comme le montre la figure 1, le revêtement d'isolation et d'étanchéité qui recouvre la couverture 1,.formé par plusieurs, deux dans le mode de réalisation représenté, couches de mousse d'un matériau tel que le polyuréthane qui présente de bonnes qualités d'absorption des calories et d'étanchéité. Les deux couches de mousse 2 et 3 sont étroitement liées entre elles tandis que la couche interne 2 ahère à la couverture 1. As shown in Figure 1, the insulation and sealing coating which covers the cover 1, formed by several, two in the embodiment shown, layers of foam of a material such as polyurethane which has good caloric absorption and sealing qualities. The two layers of foam 2 and 3 are closely linked together while the inner layer 2 is attached to the cover 1.
Le revêtement comporte en outre à l'intérieur de la couche interne une armature 4 formée par un treillis de renforcement. Ce treillis a, de préférence, des mailles sensiblement rectangulaires et est disposé de manière à présenter une série de fils longitudinaux 6 pardflèles aux ondulations de la couverture
et une série de fils transversaux 8 perpendiculaires à ces ondulations. Tous les fils sont de préférence en un même matériau mais dans certains cas, il peut être avantageux d'utiliser des matériaux différents pour les deux séries de fils.Le treillis est par exemple en un métal tel qu'un acier recuit, en fils de verre ou en une matière plastique telle qu'un polyamide. I1 peut également être réalisé en tout autre matière ayant une résistance mécanique appropriée pour permettre au revêtement de supporter le personnel d'entretien. La fragilité des matériaux de la couverture, par exemple d'une couverture en amiante-ciment, est alors compensée par la résistance du revêtement qui assure la sécurité des opérations ultérieures quel que soit le moment de leur exécution.The coating also comprises, inside the internal layer, a reinforcement 4 formed by a reinforcing mesh. This trellis preferably has substantially rectangular meshes and is arranged so as to present a series of longitudinal wires 6 pardflèles to the corrugations of the cover.
and a series of transverse wires 8 perpendicular to these undulations. All the wires are preferably made of the same material but in some cases it may be advantageous to use different materials for the two series of wires. The trellis is for example made of a metal such as annealed steel, glass or a plastic material such as a polyamide. It can also be made of any other material having an appropriate mechanical strength to allow the coating to support maintenance personnel. The fragility of the roofing materials, for example an asbestos-cement roofing, is then compensated by the resistance of the coating which ensures the safety of the subsequent operations whatever the moment of their execution.
Bien entendu, le treillis d'armature qui peut être un filet, une grille, ou avoir une autre forme, n'a pas besoin lavoir une résistance aussi élevee que celle d'un filet classique de sécurité placé en sous-face, c' est-à-dire nettement en-dessous du point de chute éventuel~. Of course, the reinforcing mesh which can be a net, a grid, or have another shape, does not need to have a resistance as high as that of a conventional safety net placed on the underside, it that is to say clearly below the point of possible fall ~.
En-outre, la mise en place du treillis de sécurité s1 effectue très simplement au cours de la formation du revêtement. In addition, the establishment of the security mesh is very simple during the formation of the coating.
En effet, selon l'invention, pour compléter et renforcer l'isolation et l'étanchéité dlune couverture telle que la couverture 1 en amiante-ciment représentée sur la figure 2, on étend sur cette couverture le filet ou treillis 4. Les mailles de ce filet sont facilement centrées et retenues par les têtes 10 des tiges des crochets de fixation de la couverture sur son support 12. In fact, according to the invention, to complete and reinforce the insulation and the tightness of a cover such as the cover 1 of asbestos-cement shown in FIG. 2, the net or mesh 4 is spread over this cover. this net is easily centered and retained by the heads 10 of the rods of the hooks for fixing the cover to its support 12.
La flexibilité du filet lui permet d'épouser sensiblement la forme générale de la couverture tandis que la dimension des mailles et la résistance du matériau qui le constitue lui permettent de jouer le rôle d'un filet de sécurité posé en surface. The flexibility of the net allows it to substantially match the general shape of the cover while the size of the mesh and the resistance of the material which constitutes it allow it to play the role of a safety net placed on the surface.
Au fur et à mesure de la pose du filet, la circulation devient donc possible sur la couverture et la sécurité du personnel est assurée. As the net is laid, circulation becomes possible on the roof and the safety of personnel is ensured.
Un produit moussant, et notamment un polyuréthane liquide, est alors projeté ou brossé sur la
couverture. Ce produit étant liquide, s'introduit entre
celle-ci et le filet de sorte que, lors de la formation
de la mousse et du gonflement de la couche déposée
jusqu a une épaisseur qui peut atteindre vingt fois
celle du dépôt initial, les fils du filet sont étroite
ment liés à la mousse comme le montre la figure 1.A foaming product, and in particular a liquid polyurethane, is then sprayed or brushed on the
blanket. This product being liquid, is introduced between
this one and the net so that during training
foam and swelling of the deposited layer
up to a thickness that can reach twenty times
that of the initial deposit, the threads of the net are narrow
ment linked to the foam as shown in Figure 1.
Une fois la couche interne 2 solidifiée,
une seconde couche de produit liquide est déposée sur
elle. Cette seconde couche mousselet gonfle de la même
manière que la première. Bien entendu, des couches
supplémentaires peuvent être ajoutées aux deux précé
dentes selon les conditions particulières d'utilisation
de la couverture et du batjment qu'elle recouvre.Once the inner layer 2 has solidified,
a second layer of liquid product is deposited on
she. This second layer of foam also swells
way than the first. Of course, layers
additional can be added to the previous two
teeth according to the specific conditions of use
of the blanket and the building it covers.
Le filet est ainsi toujours entièrement
noyé dans l'épaisseur de la mousse de façon à constituer
une armature de renforcement et le revêtement obtenu
présente une résistance mécanique suffisante pour assu rer la sécurité des interventions ultérieures.The net is thus always fully
embedded in the thickness of the foam so as to constitute
a reinforcing reinforcement and the coating obtained
has sufficient mechanical strength to ensure the safety of subsequent interventions.
Bien entendu, la liaison avec la couverture
est assurée par la nature même du produit moussant. Le
polyuréthane adhère en effet fortement et quasi immédia
tement aux matériaux de couverture et notamment à
l'amiante-ciment.Of course, the link with the cover
is ensured by the very nature of the foaming product. The
polyurethane adheres strongly and almost immediately
covering materials and especially
asbestos cement.
On constate que gracie au revêtement de
l'invention, seule la pose du filet d'armature exige
des précautions en raison de la fragilité de la couver
rure. Or, la mise en place du filet qui consiste par
exemple dans le déroulement d'un rouleau sur la couver
ture, est une manoeuvre simple. Les opérations suivantes
peuvent par contre être effectuées en toute sécurité.We see that thanks to the coating of
the invention, only the installation of the reinforcing net requires
precautions due to the fragility of the hatch
rure. However, the establishment of the net which consists of
example in the course of a roll on the hatch
ture, is a simple maneuver. The following operations
can however be carried out in complete safety.
Cette sécurité subsiste d'ailleurs ensuite de manière
définitive, ce qui accroit la longévité du revêtement. This security then remains in a way
final, which increases the longevity of the coating.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8211373A FR2529241B1 (en) | 1982-06-29 | 1982-06-29 | INSULATION AND WATERPROOFING COATING FOR ROOF AND METHOD OF FORMING THE SAME |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8211373A FR2529241B1 (en) | 1982-06-29 | 1982-06-29 | INSULATION AND WATERPROOFING COATING FOR ROOF AND METHOD OF FORMING THE SAME |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2529241A1 true FR2529241A1 (en) | 1983-12-30 |
| FR2529241B1 FR2529241B1 (en) | 1985-07-19 |
Family
ID=9275504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8211373A Expired FR2529241B1 (en) | 1982-06-29 | 1982-06-29 | INSULATION AND WATERPROOFING COATING FOR ROOF AND METHOD OF FORMING THE SAME |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2529241B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102901A2 (en) * | 1982-09-07 | 1984-03-14 | SMAC ACIEROID Société dite: | Insulating and impervious roof covering |
| EP0547018A2 (en) * | 1991-12-11 | 1993-06-16 | Guido Schumy | Method of containing asbestos |
| WO2007045760A1 (en) * | 2005-10-21 | 2007-04-26 | Ab2A | System for sealing and insulating building roofs |
| FR3057597A1 (en) * | 2016-10-14 | 2018-04-20 | Herve Gagneux | METHOD FOR COATING A BUILDING ROOF AND COATING OBTAINED |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3289371A (en) * | 1961-09-01 | 1966-12-06 | Owens Corning Fiberglass Corp | Reinforced composites and method for producing the same |
| US4064663A (en) * | 1976-05-06 | 1977-12-27 | Moss Charles W | Shelter and method of making same |
| GB2051910A (en) * | 1979-06-27 | 1981-01-21 | Cape Insulation Services Ltd | Roofing |
| US4291086A (en) * | 1979-05-17 | 1981-09-22 | Auten Jerry P | Coating system for roofs, swimming pools and the like |
| GB1600295A (en) * | 1978-03-15 | 1981-10-14 | Hertfordshire County Council | Roofing |
-
1982
- 1982-06-29 FR FR8211373A patent/FR2529241B1/en not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3289371A (en) * | 1961-09-01 | 1966-12-06 | Owens Corning Fiberglass Corp | Reinforced composites and method for producing the same |
| US4064663A (en) * | 1976-05-06 | 1977-12-27 | Moss Charles W | Shelter and method of making same |
| GB1600295A (en) * | 1978-03-15 | 1981-10-14 | Hertfordshire County Council | Roofing |
| US4291086A (en) * | 1979-05-17 | 1981-09-22 | Auten Jerry P | Coating system for roofs, swimming pools and the like |
| GB2051910A (en) * | 1979-06-27 | 1981-01-21 | Cape Insulation Services Ltd | Roofing |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102901A2 (en) * | 1982-09-07 | 1984-03-14 | SMAC ACIEROID Société dite: | Insulating and impervious roof covering |
| EP0102901A3 (en) * | 1982-09-07 | 1985-05-02 | Smac Acieroid Societe Dite: | Insulating and impervious roof covering |
| EP0547018A2 (en) * | 1991-12-11 | 1993-06-16 | Guido Schumy | Method of containing asbestos |
| EP0547018A3 (en) * | 1991-12-11 | 1994-04-20 | Guido Schumy | |
| WO2007045760A1 (en) * | 2005-10-21 | 2007-04-26 | Ab2A | System for sealing and insulating building roofs |
| FR3057597A1 (en) * | 2016-10-14 | 2018-04-20 | Herve Gagneux | METHOD FOR COATING A BUILDING ROOF AND COATING OBTAINED |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2529241B1 (en) | 1985-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |