Search Results for: control joint

cut cement board pieces with utility knife and level nearby

Waterproofing Over Cement Board: Liquid Membrane vs Sheet Membrane (Pros/Cons)

Introduction Liquid membrane vs sheet membrane are two options for waterproofing cement board, each creating a moisture barrier. Liquid membranes are painted or rolled on as a coating, while sheet membranes come as pre-formed material you apply over the surface. Check manufacturer instructions and local rules for curing times, substrate prep, and limits of use.

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Worker smoothing plaster on drywall wearing safety helmet and mask

Gaps Between Trim and Wall: Fixing Wavy Drywall Without Replacing Trim

Introduction Gaps between trim and wall are gaps where the trim edge doesn’t sit tight against flat drywall. They happen when the drywall isn’t perfectly flush or the trim was fastened before the wall settled. You’ll see them most where corners and edges meet the wall surface. You can fix it without removing the trim

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Caulking gun and cloth on wooden stairs next to white baseboards

Caulking Baseboards: Which Caulk to Use and How to Avoid Cracks

Introduction Use a flexible, paintable caulk designed for interior trim to seal baseboards. It should cure cleanly and move with seasonal expansion to prevent cracking. Check that the label says wood or drywall, and look for low VOC if you care. Key takeaways Select a paintable, flexible caulk compatible with both baseboards and walls. Wear

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Interior wall with patched drywall and blue ladder

Vapor Retarders in Walls: Where They Go (and When They Cause Mold)

Introduction A vapor retarder is a material in walls that slows moisture moving through the wall. Where it goes depends on the wall design and climate, so check the product guidance and local rules. If you’re unsure, use the simplest, approved option and follow the manufacturer’s directions. They can contribute to mold if moisture gets

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Modern living room with grey couch and concrete floor

Concrete Floor Vapor Emissions: Why Some Sealers Fail Even on “Dry” Slabs

Introduction Vapor emissions are moisture moving through a concrete floor and can undermine sealers. Even slabs labeled “dry” can give off moisture that needs to be addressed. You’ll want a practical plan for diagnosing and dealing with that moisture before sealing. Before sealing, verify the slab is truly dry and compatible with the sealer you

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