When it comes to cavity insulation, an
energy-conscious builder has a lot of
products to pick from and a lot of conflicting
information to consider. In the
running public-relations brawl between
cellulose and fiberglass manufacturers,
talking down the other guy's product has
become a common marketing strategy.
Even after you sort through competing
claims for fire resistance, health effects,
and "green" benefits (see "Marketplace
Madness"), you still have to evaluate
claims about cost and performance. In
this article, we'll take a look at the realworld
conditions that affect the performance
of fiberglass and cellulose insulation,
and give some tips for using each of
them effectively.
Of Price and Performance
Many builders ignore the competing
claims about performance and just buy
the