NobleBoard is a lightweight, high-density tile backer board that is quick and easy to install. The 100% waterproof XPS (extruded polystyrene) core is resistant to vapor pressure and does not support mold growth. The XPS core is sandwiched between two layers of tightly woven mesh and cementitious coating.
Noble Company offers the following complementary items to complete your installation:
• NobleSealant 250 can be used for seaming gaps less than 3/16”, to seal over screw heads on face of board, and to act as a supplemental bonding agent when applied to studs behind the board.
• AquaBlue™ Flashing Mesh for gaps greater than 3/16” or changes of plane.
• NobleBoard Screws and Fasteners to secure board to wall (or floor for 1/4” thick board)
• Surface Burning Characteristics (ASTM E84-16)
• Flame Spread Index (FSI): 20
• Smoke Developed Index (SDI): 35
• Classification: Class A