William Rose

William Rose's Posts

• Q&A

  Block Walls, Vapor Barriers, and Solar Vapor Drive

  by William Rose

  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

  by William Rose

  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

  by William Rose

  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

  by William Rose

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

• The Mysteries of Plumbing Drains Unveiled

  by William Rose

  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.