TUFF-N-DRI™
	An elastic membrane spans foundation cracks, while a high-quality foundation board protects the membrane, channels the water to the drainage system and insulates basement walls.
TUFF-N-DRI® begins with a polymer-enhanced asphalt membrane (A). This waterproofing membrane is spray-applied to seamlessly bridge foundation settling cracks and seal out water penetration. It also remains flexible at colder temperatures to provide protection, season after season. Next, a quality foundation board (B) is installed on top of the membrane, protecting it against backfill damage. The foundation board drains underground water directly to the perimeter drainage system, preventing hydrostatic pressure from building up against the waterproofing system. In addition, the foundation board insulates basement walls -- important not only to reduce energy loss but also a key to minimizing interior condensation. TUFF-N-DRI uses WARM-N-DRI® foundation board from Owens Corning because of its 30-year track record of below-ground drainage performance. TUFF-N-DRI is designed to be used in conjunction with a foundation perimeter drainage system. It can be used in combination with traditional drain tile and gravel systems (C).

DrainStar™

DrainStar™ foundation system is a major component of our TUFF-N-DRI™ system. The DrainStar™ foundation drain is a system that does not require gravel. DrainStar™ soil strip drain is a two-part prefabricated geocomposite drain consisting of a formed polymeric core covered on all sides with a non-woven polypropylene filter fabric.

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