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Other stories by William Rose

  • Block Walls, Vapor Barriers, and Solar Vapor Drive

    Q: With a cavity wall assembly consisting of load-bearing 8-inch CMUs (concrete masonry units), 2 inches of rigid foam, a 2-inch air space, and 4-inch concrete bricks covered with cementitious stucco and an acrylic color coat, how important is dampproofin

  • Shopping for Structural Metal Roofs

    Some metal roofing systems are better thought out by the manufacturer than others. This guide points out the critical components that can make or break a system.

  • Modified Bitumen: Top Choice for Residential Flat Roofs

    Roofing chemists have developed asphalt-based membranes with rubber-like properties and long lives. One type has simple peel-and-stick installation.

  • Failed Footings & Buckled Walls

    Strange happenings below grade can ruin foundations: The only solution is to know your dirt.

  • The Mysteries of Plumbing Drains Unveiled

    Why do sewer gases back up into a home? How do you vent an island sink? What’s the difference between a vent stack and a stack vent? And much more.

  • Special Report: Fire Codes and Foam Plastics

    What do we really know about the safety of foam plastics in a fire? Not enough, according to this in-depth look at the politics and procedures of product testing.

  • Conference Report: How Tight Is Too Tight?

    U.S. and Canadian scientists flocked to Fort Worth to muse on the mysteries of "air infiltration, ventilation, and moisture" in today’s tight houses. Here are the highlights from official reports and corridor chatter.