drainage boards on a home foundation

Drainage Boards


Ultra-Dry Board

Ultra-Dry fiberglass drainage/protection board is a high performance board designed to provide protection, thermal value and drainage in below grade applications. This advanced material is specially designed to protect the GMX waterproofing membranes from UV degradation and construction activity. Ultra-Dry is manufactured with a minimum of 35% recycled content.

Data Sheet | SDS

Thermal DrainĀ®

Thermal Drain is a user friendly synthetic protection board that is a great alternative to fiberglass. It is more durable than fiberglass and provides excellent drainage. Thermal Drain is also the only protection board providing R-Value that contains 70% post-consumer recycle content.

Data Sheet | SDS | Watch Video


Perimate is an extruded polystyrene foam insulation board with patented dovetail grooves cut into one face of the board and shiplap edges on the long edges. When installed on the exterior of basement walls, it provides insulation, protects the waterproofing membrane and assists water drainage away from the foundation.

Data Sheet | SDS

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closeup rendering of Perimate