My company specializes in high-quality insulation work, in both new construction and retrofit applications. We also provide energy consulting and energy audits that include testing with a blower door, duct blaster, infrared camera, and other diagnostic tools. Experience has convinced us that blown-in insulation products are the way to go if quality is the top priority. Correctly done, a blown-in job has inherent quality control, making it the simplest and best way to eliminate heat-wasting gaps or voids in exterior walls (see “Insulating With Spray Cellulose,” 10/01). But blownin insulation products cost more than fiberglass batts, so most walls today are insulated with batts. Unfortunately, most fiberglass installers don’t give much thought to quality. That’s not surprising — batts are the budget choice to
Getting Quality From Fiberglass Insulation
To ensure high performance from fiberglass batts, provide support and cut to fit
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