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More stories about Underlayments

  • Letters

    Questions about AFCI rules; Mac estimators; roof-ventilation correction; fastening underlayment

  • Modified vs. Unmodified Mortar With Kerdi Membranes

    Q: When installing stone tiles over Schluter's Kerdi waterproofing membrane, is it okay to use modified thinset mortar? I know that Schluter recommends unmodified thinset mortar, but my supplier suggests that the large and heavy tiles will be easier to install with a polymer-modified no-sag mortar.

  • A Quick Fix for Squeaky Floors?

    Q. When a floor is covered by wall-to-wall carpeting, is it possible to fix squeaks without taking up the rug to get to the subfloor?

  • Best Underlayment Fasteners

    Q : When we install vinyl flooring, we like to fasten the underlayment with staples because they install quickly and don't need setting or filling afterwards. But occasionally we've noticed minor squeaking in some of our floors. Assuming that we're using the correct number of fasteners, would we...

  • Tile Over Tile

    Q: My clients want to update their bathroom by installing new tile over an existing tiled tub surround. The old tile is in good shape, but it stops about 18 inches from the ceiling; my clients want their new tile to completely cover the walls and ceiling.

  • Waterproofing Under a Stone Countertop

    Q: Is it okay to use Schluter's Kerdi material as a waterproofing membrane beneath a stone countertop? Because it's flexible, I plan to use it to cover the plywood substrate on top of the cabinets, and then turn it up the wall a few inches so that I can w

  • Products

    Low-Maintenance Railing - Speedy Anchor - Durable Decks - Shelter from the Storm - Faster Fastening - Revolutionary Roof - Synthetic Underlayment - Maximum Opening - Pristine Trim - Competing Compressors

  • Tiling a Flangeless Tub

    Q: What's the best way to detail the joint between a deck-mounted tub that lacks an integral tiling flange and the tiled tub surround so that it won't leak?

  • Substituting Synthetic Roof Underlayments for Housewrap

    Q: After stripping the original siding from a 30-year-old house, I'm being asked to re-side with 4x8 and 4x9 fiber-cement panels designed to look like stucco. The installation instructions permit caulking at the vertical joints, but call for Z-flashing at

  • Letters

    Dampproofing vs. waterproofing; sound control; concealed electrical splices; more