October 1992 Table of Contents

Features
Interview: Rafter Framing with Wood I-Beams

Illinois builder Mike Hoch explains why he uses engineered members for rafters and offers tips on handling, cutting, and installation. Read more

Leakproof Shower Pans

A veteran tile contractor describes his favorite pan materials and techniques for a durable, leak-free job. Read more

Ordering Ready-Mix Concrete

There’s more to concrete than water, cement, sand, and stone. An experienced batch plant manager talks about the admixtures that help you match the mix to the job. Read more

Sill Repair & Jacking

A third-generation structural repair contractor tells how to diagnose and fix rotted sills and joist ends. Read more

Sub or Employee?

As skilled labor grows scarcer, reliance on subs is increasing. To protect yourself from legal liability and tax penalties, make sure you follow these guidelines. Read more

Ten Tough Energy Questions

Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Wood Shakes & Shingles

They’re pretty to look at, but they may not last as long as expected unless installed properly and maintained. Read more

Letters
Q & A
Q&A: Concrete Tile on Shallow Roofs

Q: We are getting a lot of jobs with Mansard-type roofs. The roof covering is concrete tile, but much of the roof has a slope of only 2:12. What precautions should we take? Read more

Q&A: Reroofing Over Asphalt Shingles Q&A: Reroofing Over Asphalt Shingles

Q: Are there any drawbacks to reroofing over asphalt shingles? How many layers can accumulate before you should tear them off? Read more

Q&A: Oversized Heating Systems

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Should Roofs Have Ventilation & Vapor Barriers?

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Do Radiant Barriers Work? Q&A: Do Radiant Barriers Work?

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Vented vs. Unvented Crawl Spaces Q&A: Vented vs. Unvented Crawl Spaces

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Tight Houses & Air Quality

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Vapor Barriers & Insulation at Band Joists Q&A: Vapor Barriers & Insulation at Band Joists

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Vapor Barrier vs. Exterior Air Barrier Q&A: Vapor Barrier vs. Exterior Air Barrier

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Best Foam for Foundation Insulation Q&A: Best Foam for Foundation Insulation

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Foam Sheathing & Moisture Problems Q&A: Foam Sheathing & Moisture Problems

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Q&A: Optimal R-Values for Building Shell Q&A: Optimal R-Values for Building Shell

Q: Puzzled by conflicting energy advice? We asked our panel experts to help out by summarizing the latest thinking on a number of thorny issues. Read more

Reviews
Builder's Library

You Are What You Read Read more

Products
For What It's Worth

Wood-Framed Glass Block Read more

JLC Field Guide
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