Dampproofing for Foundation Walls

The use of asphaltic and bituminous tar mix­tures for dampproofing is standard practice. These petrochemical-based materials are known carcinogens. There are several other readily available products made for this pur­pose that are more healthful choices. The fol­
lowing products may be specified for damp­proofing foundation walls or other walls adjacent to soil:

Cementitious Dampproofing

• Thoroseal Foundation Coating: A ce­mentitious dampproofing for concrete and concrete masonry unit (CMU) surfaces.

• Xypex: A nontoxic (according to man­ufacturer), zero-VOC chemical treat­ment for dampproofing and protection of poured concrete, it creates a nonsoluable crystalline structure that permanently

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