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| Through-roof fittings |
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| Flexible apparatus and process for loading and sealing pouches |
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| Portable room divider |
| I claim: 1. A portable room divider, comprising: a pair of opposed blocks, each having a series of ... |
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| Hinged connector for flat display panels |
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| Mounting arrangement for securing a pane of window glass in a frame |
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| Refillable polyester container and preform for forming the same |
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| Glazing bead |
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Composite structures, new adhesive, and cement composition
| Details |
Inventors: Jasperson, F. Bon;
Assignee:
Primary Examiner: Herbert, Jr.; Thomas J.
Assistant Examiner:
Attorney, Agent or Firm: Murray and Whisenhunt
An insulating structural panel comprising a layer of rigid insulation of at least one inch thickness sandwiched between two adhered facings of at least 1/16 inch thickness wherein at least one of said facings is adhered to the insulation by an adhesive which is a dried residue of a latex polymer rich coating of not less than 2-4 mils thick and containing at least 80% by weight of a film-forming polymer selected from the group consisting of acrylic polymers and vinyl polymers having a Mar Elasticity Value of at least 1 and a wet and dry adhesion to maintain adhesion to said facing under normal atmospheric conditions. |
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DETAILED DESCRIPTION OF THE INVENTION The first embodiment of the present invention relates to a composite structure which is suitable for use as an exterior roof or wall of a building.
The composite structure can include an existing roof or wall, as in the case of repair, or a new roof or wall, such as in the instance of new construction.
The composite structure includes an interior substrate, a layer of adhesive, a layer of rigid insulation, a layer of cementitious material and a layer of water-proofing polymeric coating.
The substrate can be any substrate conventionally found in the building construction industry, including plywood or other wood products, plastic, concrete or other cementitious products, or steel.
Preferably, the substrate exhibits an absorbent surface, such as, for instance, cement or plywood.
The major advantage of the composite structure of the invention resides in use with plywood or other wood products, as the composite structure exhibits a significant effect with respect to reducing the burning characteristics of the resulting building.
A rigid insulation layer is adhered to the substrate, and the insulation layer is preferably a rigid plastic foam, such as polystrene, polyurethane or vinyl foam.
However, wood fiber board insulation or other rigid insulating products can be used in lieu of the rigid plastic foam.
In any event, the layer of insulation should exhibit an insulating ability at least equal to that provided by one inch of rigid urethane foam.
The adhesive used to adhere the insulation to the substrate can be any of various adhesives.
If the substrate is steel, concrete may be used as an adhesive, or an epoxy may be used if the epoxy does not attack the foam itself.
For the use of rigid plastic foams on plywood or other absorbent surface substrates, it is preferred to use as an adhesive a polymer rich latex composition described hereinafter as another embodiment of the present invention.
The amount of adhesive which is used need only be that to adequately adhere the insulation to the substrate
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