This DensGlass® 1/2 in. fiberglass-mat gypsum sheathing from Georgia-Pacific is engineered to enhance the durability and performance of both fire-rated and non-fire-rated wall systems. The fiberglass mat facing delivers superior moisture and mold resistance compared to traditional paper-faced sheathing, ensuring long-term strength even in demanding environments. Its rigid design makes it an excellent substrate for a wide range of air- and water-resistive barrier systems, making it suitable for new construction and renovation projects. Ideal for use behind brick, siding, stucco, and other permanent exterior claddings, as well as for exterior ceilings and soffits in any climate zone. Dimensions: 4 ft x 8 ft x 1/2 in Key Features More than 30 years of proven field performance Exceptional resistance to moisture and mold vs. paper-faced sheathing Suitable behind stucco, siding, brick, and other exterior finishes Performs well in both warm and cold climate zones Resists sagging, even in high-humidity conditions Strengthens fire-rated and non-fire-rated assemblies Fiberglass mat-facing provides reliable long-term durability Compatible with most air and water-resistive barrier systems Covered by a limited weather-exposure warranty (see details) Specifications Weight (lb) 68.16 Weight (kg) 30.917376 Actual Length (ft) 7.99 Actual Length (cm) 243.5352 Actual Width (ft) 3.99 Actual Width (cm) 121.6152 Actual Thickness (in) 0.49 Actual Thickness (cm) 1.2446 Actual Thickness (mm) 12.446 Common Measurement (W x L) 4 ft x 8 ft Common Thickness 1/2 in Fire Resistant No Moisture Resistant Yes Mold Resistant Yes Sound Reduction No Warranty 5-year limited Series Name N/A Item Disclaimer This item is sold by the piece
