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1301results about "Roof covering" patented technology

Fire and water resistant, integrated wall and roof expansion joint seal system

A fire and water resistant, integrated wall and roof expansion joint seal system includes an expansion joint seal for a structure. The seal includes a central portion having an underside and at least one central chamber disposed around a centerline, a first flange portion extending outwardly from the centerline and a second flange portion extending outwardly from the centerline in a direction opposite the first flange portion. The system further includes a joint closure. The joint closure includes a core and a layer of a water resistant material disposed on the core. The joint closure further includes an end portion configured to match and integrate with the underside of the central portion to form the watertight, integrated wall and roof expansion joint seal system. A fire retardant material is included in the core in an amount effective to pass testing mandated by UL 2079, and the core with the fire retardant material therein is configured to facilitate compression of the core when installed between the first substrate and the second substrate by repeatedly expanding and contracting to accommodate movement of the first substrate and the second substrate; and the core with the fire retardant material included therein is configured to pass the testing mandated by UL 2079. Movement of one or both of the first substrate and the second substrate causes a response in the central portion to maintain the seal.
Owner:EMSEAL JOINT SYST

Access panel

An access panel for providing access to cables, services or the like through an opening in a floor having a floor covering, is disclosed. The access panel includes a floor frame (10) located in the opening and a lid (100) supported on the frame (10). The frame (10) has a support flange (26) extending around its periphery which extends between the floor covering and the floor deck. The flange (26) provides a ramped edge tapered substantially uniformly over a distance of between 10 and 20 times the maximum thickness of the flange (26). The outermost part of the flange (26) is typically formed from a flexible polymeric material. A rib (20) extends around an aperture in the frame (10) and the height of the rib (20) is lower than the load bearing surface of the floor. The hinge (24, 120) is generally square and defines a pivot surface which extends parallel to and is spaced inwardly from an inner edge of the frame (10). A lid (100) for closing the aperture defines a bearing surface (120) which is adapted to slidably engage on the pivot surface (24) to allow the lid (100) to bear and pivot about the pivot surface (24). The lid (100) includes hatches (104, 106) which are moveable between an open position in which there is an aperture in the lid (100) through which cable services may extend and a closed position in which there is no aperture. Locking means (124, 126) are provided between the hatch (104, 106) and the frame (10) to lock the hatch (104, 106) in place in both the open and closed positions.
Owner:CABSCAPE HLDG
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