DUROCK Brand 0.25-in x 36-in x 60-in Cement Backer Board Lighting Vent design increases crawl space

Vent design increases crawl space foundation air flow by over 50% over typical steel vents which do not seal well or at all in winter

Compatible with ToughSystem carrier

Gibraltar's Galvalume SM-Rib panels are a popular choice for a wide variety of residential and commercial projects

Rust-Oleum 980 Silicone Roof Coating is a 100% silicone

58 Switch Type Variable speed Battery Size 12-volt Color Family Red Number of Batteries Included 1 Product Weight (lb

DUROCK Brand 0.25-in x 36-in x 60-in Cement Backer Board Lighting Vent design increases crawl spaceEnhanced patented edge performance prevents spinout and crumbling Easy to cut and fasten Water durable and mold resistant Warranted for interior and exterior applications Exceptional tile bond Noncombustible Features Series Name N A Material Cement Common Measurement (W x L) 3 ft x 5 ft Common Thickness in Inches 1 4 in Actual Length (Inches) 60 Actual Width (Inches) 36 Actual Thickness (Inches) 0. 25 Weight (lbs.) 25. 425 ASTM C1288 Compliant No ANSI