NW ‘Z’ GRADE is a premium quality single component waterproofing coating for concrete decks, walkways, and stairways. It is also used on steel, fiberglass, and wood decks. It is solvent-based and may be applied in any temperature range. NW ‘Z’ GRADE is designed for permanent flexibility and toughness, abrasion resistance, and to bridge and move with hairline cracks, and to resist impingement attack. It may be used in marine or industrial situations and in constant submersion conditions. For more information, visit this page.


Tel: (971) 276-8958

Email: waterproofingmart@gmail.com

Mailing Address:

1314 NW Irving St, Suite 406

Portland, OR, 97209.

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