Over the past 5 decades we've developed the most reliable and proven basement systems for do-it-yourself homeowners needing an affordable remedy to their wet basement. We've also developed a full range of professional basement waterproofing systems for contractors wanting the latest foundation technology at factory-direct pricing. With over 50 years in the basement waterproofing industry, we know how to fix a wet basement - permanently. The proven SealOnce Basement System will dry up your wet basement without breaking up the concrete.

We are a third generation family-owned and operated business that dates back to 1965 when Robert "Bob" Cotten first patented the Beaver Basement Water Control System. Our original do-it-yourself baseboard channel system was the first time a homeowner had access to a contractor-grade basement waterproofing solution. Over the next few decades, we've designed and patented new basement waterproofing systems for both do-it-yourself homeowners and professional waterproofing contractors. Today, we offer a complete waterproofing solutions to remedy any wet basement or crawlspace.

We are the leader in professional basement waterproofing supplies for waterproofing contractors. Compared to old-fashioned pipe and gravel, our exclusive interior basement waterproofing systems save money, shorten job times, and create bigger margins on each sale! We are pleased to announce the introduction of our Free Shipping Program! There has never been a better time to become a Member of Waterproof.com as we roll out the first phase of our Free Shipping Program! Become a lifetime Member for a one-time membership fee of $350 today!

Leaky wall cracks are common in poured wall foundations. Over time foundation walls develop cracks from settling, which often leak water. Stop the leaks with a single application of the amazing do-it-yourself CRACK foundation wall repair sealant. CRACK is a resilient surface seal. No chemical mixing, no pressurized injections, just one easy do-it-yourself step. CRACK is a new generation sealant that will save you hundreds of dollars over contractor's remedies. Fix a leaky wall crack overnight! If you have water entering your basement through the joint where the floor and walls meet an ideal remedy for this wet basement problem is our NEW SealOnce Basement System.

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