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