OSI Quad Max 1868737 Window, Door & Siding Sealant, Brown 253, 9.5 Oz Fiberglass Flapper lets out hot moist

Flapper lets out hot moist air while keeping out cold air

Permits termination of vents at the minimum height necessary above the roof surface

Stem with brake

Finish: Satin Natural Cherry

Protects metal

OSI Quad Max 1868737 Window, Door & Siding Sealant, Brown 253, 9.5 Oz Fiberglass Flapper lets out hot moistHighlights: Size: 9. 5 Oz Color: Brown 253 For sealing around interior exterior windows, doors and siding Bonds to a wide variety of materials No shrinkage Stretches 5 times and 50 percent joint movement Wet surfaces and cold applications Strong adhesion Dust and dirt resistant 24 hour fast cure Paintable in an hour Bubbling resistant Provides protection against air and moisture UV resistant 24 month shelf life Consistent bead in hot or cold 0 degrees