Ideal for repairing cracks, gouges, nail holes, knotholes, and other defects in unfinished indoor and outdoor wood surfaces. Latex based, quick drying, and sandable. Cleans up with soap and water.
BOSS® 813 can be used on any commercial or residential construction where the code calls for a UL system for penetration of cables, etc. through drywall, concrete or wood. (Please consult the UL directory for a full list of approved systems). BOSS® 813 can also be used as a fireblock/draftstop in non-fire rated construction. BOSS® 813 prevents the spread of fire, smoke and toxic gasses from one compartment to another, while still maintaining the integrity of the Firewall. BOSS® 813 has excellent insulation and acoustic properties, and is also paintable (after inspection).