William Rose

William Rose's Posts

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 Read more

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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. Read more

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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. Read more

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Failed Footings & Buckled Walls

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

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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. Read more

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JLC Field Guide
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