The Family Handyman on MSN3mon
Save Money by Insulating Crawl Space DuctsThe Residential Building Code calls for R-8 insulation for these ducts, but check with your building inspector for local code ...
Tech Xplore on MSN4mon
Lighter automotive air duct that reduces noise, enhances safety developed for commercial vehiclesTraditional air ducts, made from high-density polyethylene (HDPE), were heavy, had poor insulation, and resulted in ...
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