Asphaltic roofing material and method with fly ash filler

Asphaltic roofing shingle including polymeric or coated...

Assembly for reducing ice damming on roof

Attachment assembly for use on flat roofs

Attachment device for securing flexible sheets

Attachment element with large washer

Attachment system of photovoltaic cell to fluoropolymer...

Auto-trough

Automatic down-pipe extension assembly

Automatic eaves trough downspout

Automatic electrolytic device to limit ice formation in...

Ballast block for roofing structures

Barrel assembly and composite stress plate

Base for roof mounted devices

Base sheet for roofing assembly

Beaded soffit panel and method for building and the like

Bearing element for bearing the roof cladding of a...

Bearing for support of roofing tiles

Bi-functional roof drain and method of retrofitting a roof...

Bi-functional roof drain having integrated vent