Available sizes: 4’ x 5’ (20 sq. ft.)
Advantages: Inorganic reinforcement will not rot. Puncture and moisture resistant.
1. Be sure membrane is free of loose gravel and debris before installing protection board over it.
2. Place protection board onto surface of membrane. Butt ends of board together and stagger joints, similar to laying brick.
3. Protection Board must be kept dry during storage. Wet boards must be allowed to dry before installation.