Re-useable soffit form

Recycled roof shingles and method

Reducing humping of roofing shingles

Reglet structure

Reglets and associated components

Reinforced concrete tiles and methods of making same

Reinforced construction element

Reinforced fiberglass plastic roof for box cars

Reinforced fibrous felts for roofing shingle manufacture

Reinforced membranes for roofing and other applications

Reinforcement for roofing membranes and process for making...

Reinforcing composite for roofing membranes and process for...

Removable building fascia system

Replacement roof drain insert coupling

Repositionable flexible downspout extension

Retainer clamp membrane fastening system

Retainer clip for insulation or the like

Retaining device, particularly for flat roof drains

Retractable hose

Rib sheet roofing snow holding device