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More stories about Underlayments

  • Q&A: Asphalt Shingle Nailing

    Q: Can asphalt shingles be nailed above the adhesive strip? I have seen leaking low-slope roofs with relatively new asphalt shingles, where the leaks followed the nailing pattern. In the attic, there were rows of drip holes in the cellulose insulation on the attic floor. In this case, the shingles...

  • On Site With Duradek

    This single-ply membrane doubles as an impermeable, non-slip deck surface for porches and decks built over living space. A roofer shows how it’s installed.

  • Products

    New prefinished hardwood strip flooring; NFL hardhats; concrete anchors to withstand seismic vibration; airtight attic hatch; shears for asphalt shingles; contoured underlayment for vinyl siding; no-drip faucet connectors; strap-on sandals for gripping roof surfaces; more

  • Installing Metal Panel Roofs

    A Florida roofing contractor tells how to select and install a screw-down metal roof.

  • Q&A: Using Dry Sand in a Radiant Floor

    Q: How do you go about using sand instead of concrete for thermal mass in a radiant floor, as mentioned in the Sept. ’98 article "Hardwood Flooring Over Radiant Heat"?

  • Floating Floor Options

    Floating floors offer some advantages over conventional hardwood strip flooring: They’re more dimensionally stable, come prefinished, and because they’re laminated, are available in wood species that would be cost-prohibitive in full-thickness flooring. Here’s a survey of what’s available.

  • Rigid Foam Update

    There are three types of rigid foam insulation — expanded polystyrene, extruded polystyrene, and polyisocyanurate. Each has its own characteristics, advantages, and disadvantages. Whether your application is above or below grade, inside or out, this guide will help you choose the right product.

  • Q&A: Granite Tile Countertops

    Q: We are planning to use 1-foot-square granite tiles in a kitchen counter application because it is more affordable than granite slabs. Can I install the granite right over plywood, or do you recommend Durock as an underlayment? What type of grout would work best? How wide a space should we leave...

  • Q&A: Stained Vinyl Floors

    Q: I’ve built a number of homes with staple-up radiant heat tubing under vinyl flooring in the kitchens and baths. Recently a client complained of staining in his vinyl floors. In the bathroom, long dark streaks are bleeding up through the vinyl, and in the kitchen, small dark circles about the...

  • Common Construction Defects

    Defect litigation has become a billion-dollar industry in Southern California, driving many contractors out of business. A defect specialist describes the most frequent errors he encounters — from structure to finishes — and tells how to prevent them.