Protection Board

Marseal® Protection Board is a mineral-fortified asphaltic core between two layers of high strength reinforced glass fiber mats. When laid over Marseal® membranes, it serves to protect them from damage due to placement of fill or concrete.



Available sizes: 4’ x 5’ (20 sq. ft.)


Advantages: Inorganic reinforcement will not rot. Puncture and moisture resistant.


Thickness: 3/16”


Applicator Notes:


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.


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