Insulated water impermeable roofing system

Static structures (e.g. – buildings) – With synthetic resinous component – With nonresinous component

Patent

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Details

52 90, 52408, 52746, 156 71, E04D 128

Patent

active

040219810

ABSTRACT:
An insulated, water impermeable roofing system and a method for installing said system for insulating the interior of a building from ambient thermal cycling and for insuring water impermeable integrity of a roof portion of the building.
The roof system includes an array of factory assembled, laminar roofing panels self bonded to a roof deck. Each panel includes a water and vapor impermeable membrane and an insulation course coextensively overlying said membrane. The laminar roofing panels are mutually juxtaposed but laterally spaced from one another to provide a peripheral expansion zone which is filled with a water and vapor impermeable compound. The compound is plastic and self-adherent under normal ambient temperatures and therefore operably bonds to the roof deck between adjacent laminar roofing panels as well as to the water and vapor impermeable membrane. The expansion zone compound in combination with the panel membrane forms a monolithic water and vapor impermeable barrier across the entire roof deck. Concomitantly the compound forms a plastic expansion joint about the peripheral edges of each of said laminar roofing panels.
The method for installing an insulated, water impermeable roofing system of the type previously described includes the step of preparing a roof substructure or deck to be fitted with an insulated water impermeable covering. Next the method comprises the steps of peeling a release film from factory assembled roofing panels and positioning a plurality of the roofing panels upon a roof deck with a self-adhering surface directly bonded to the deck. Once the panels are in position the installation is culminated by plastic, self-adherent compound into expansion zones around each panel to form a monolithic water and vapor impermeable barrier across the roof substructure and concomitantly to form a plastic expansion joint about the peripheral edges of the laminar roofing panels.

REFERENCES:
patent: 3121649 (1964-02-01), Oliver
patent: 3713263 (1973-01-01), Mullen
patent: 3903587 (1975-09-01), Boiardi
patent: 3958373 (1976-05-01), Stewart et al.
patent: 3969851 (1976-07-01), Whitacre

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