SEMCO Fabric Reinforcement roll used for reinforcing waterproofing membrane at joints and cracks
DIY

What Is SEMCO Fabric Reinforcement and When Do You Actually Need It?

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...
SEMCO Liquid Membrane rolled onto shower walls before tiling
bathroom

What Does It Cost to Waterproof a Shower Before Tiling? 2026 DIY vs Pro Breakdown

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...
Embedding fabric waterproofing reinforcement into a shower niche corner before tiling
bathroom

Shower Waterproofing Membrane: What Actually Stops Leaks Behind the Tile

Grout isn't what stops a shower leak. See the 3 spots where showers actually fail, and how to waterproof them with a membrane and fabric reinforcement.
SEMCO Liquid Membrane applied in a shower, compared against silicone-based coatings for waterproofing
bathroom

Water-Based Membrane vs Silicone-Based Coating: Which Belongs in a Shower

Silicone-based coatings and a water-based liquid membrane both waterproof a shower before tile. Here's how they compare, by scenario, cure time, and odor.
Silicone-Based Waterproofing Coatings vs Water-Based Membranes: A DIYer's Guide
DIY

Silicone-Based Waterproofing Coatings vs Water-Based Membranes: A DIYer's Guide

Silicone-based waterproofing vs water-based membranes compared on cure time, adhesion, elongation, and cost, so you use the right one for your project.
SEMCO Liquid Membrane shower waterproofing DIY guide cover image
bathroom

Shower Waterproofing Membrane: The Complete DIY Guide Before Tiling

Tile and grout aren't waterproof on their own. Here's how to waterproof a shower before tiling with a DIY liquid membrane, seam reinforcement, and a flood test, step by step.