Resource Conservation Technology XX ft (white) WS04 is a 9/32" (7.5mm) diameter silicone tubeseal designed to be glued into the corner of a wood or metal jamb with silicone caulk. Use it on stops, rabbeted jambs, and astragals where gaps measure 1/8" – 1/4" (3mm – 6mm). Clean the jambs with solvent, apply a small bead of silicone caulk, pressthe seal into the wet caulk, and roll it with WS96. bronze white WS04 cut lengths: $0.48/ft 100 ft rolls: $32.00 WS03 is a 7/32" (5.5mm) diameter silicone tubeseal designed to be glued into the corner of a wood or metal jamb with silicone caulk. Use it on stops, rabbeted jambs, and astragals where gaps measure 1/16" – 3/16" (2mm – 5mm). Clean the jambs with solvent, apply a small bead of silicone caulk, press the seal into the wet caulk, and roll it with WS96. white cut lengths: $0.36/ft 100 ft rolls: $24.00 WS75 consists of a polypropylene pile brushseal with a flexible center fin, bonded to a hard plastic base. It fits a 1/8" x 1/4" (3mm x 6mm) groove that can be cut with WS90. WS75 seals 5/32" (4mm) gaps and is ideal for sliding seals in new sliding and double-hung windows where the gap between the window face and the stop is constant. WS75 cut lengths: $0.34/ft 1250 ft rolls: $220.00 black gray white Silicone Caulk, white, 11 oz. $7.20 Black Spray Foam, 24oz $12.00 Spray Foam Cleaner $12.00 Spray Foam Gun, economy $24.00