
GreenGuard PB4 Waterproofing Protection Board
Tough XPS fanfold protects waterproofing membrane from backfill damageGreenGuard PB6 Roofing Cover Board
3/8” thick closed-cell XPS fanfold with high-impact facers on both sidesGreenGuard PB6HD Roofing Cover Board
3/8” thick XPS fanfold with high-strength facers on both sides
After the waterproofing membrane is applied to the foundation, protect it from damage during backfilling with PB4 Waterproofing Protection Board. Its dense, closed-cell construction and tough plastic facers resist both moisture absorption and decomposition.
Product Highlights
Easy to handle and cut, no loose foam beads
Convenient 4 ft x 50 ft bundle