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Q. Solar modules that can be installed in place of roof shingles seem to make more sense than PV modules mounted on racks above the roof (see "Installing Solar Electric Power," 3/05). Besides being much less noticeable, it seems that using photovoltaic sh
A photovoltaic system should be properly sized, built to code, and installed so the roof doesn't leak.
Q. How cost-effective are solar panels?
This year's collection of new products can help you work smarter and better.
High school vo-tech programs in decline; fiber-cement roofing woes; photovoltaic glazing; faulty hvac system proves deadly; more
Free business advice for builders, rigid foam banned below grade in heavy termite areas, safety liability protection for GCs proposed, deducting bad debts, photovoltaic roof shingles
Standardizing wood I-joists, group rates for workers comp, R-75-per-inch insulation panel, CO detectors send false alarms
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