News

Exterior and marine plywood still absorb water. Learn how to actually waterproof plywood for decks, subfloors, and planters with a flexible DIY coating.

A 7-point freeze-thaw checklist for basement waterproofing before winter: grading, cracks, reinforcement and a flexible membrane before the ground freezes.

Concrete, built-up, and torch-down roofs leak differently than pitched roofs. Here's how to prep, seal seams, and coat a flat roof before the first freeze.

Green board, cement board, and paint don't make drywall waterproof. Here's what actually stops water, and how to seal it yourself.

Metal roof leaking when it rains hard? Here's how to find the real leak point and seal it yourself with a flexible membrane before winter.

A flexible, water-based liquid waterproofing membrane is the best liquid rubber alternative. See how it compares to rubber, masonry, silicone and sheet membranes, and which lasts longest.

SEMCO Fabric Reinforcement adds tensile strength at floor-to-wall joints, corners, coves, and cracks over 1/4 inch, the spots a waterproofing coating fails first. Here's what it is, when you need i...

Professional shower waterproofing runs $450 to $2,500 depending on scope. A DIY liquid membrane and fabric reinforcement costs about $150 to $200 in materials for a standard shower. Here's the real...

Comparing water-based liquid membrane and rubber-based coatings for basement waterproofing: odor, UV exposure, cure time, and which one belongs on an exposed wall.