GB-WR
Knauf Water Resistant Gypsum Backing Board (GB-WR)
Knauf Water Resistant Gypsum Boards are ASTM 1396 compliant gypsum Backing Boards, specifically designed for use in areas with humidity and exposure to moisture.
Knauf Water Resistant Gypsum Backing Board (GB-WR)
Knauf Water Resistant Gypsum Boards are ASTM 1396 compliant gypsum Backing Boards, specifically designed for use in areas with humidity and exposure to moisture.