R-49, The new minimum r-value requirement for attics – Roxul ComfortBatt User Manual

Page 8

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Thermal insulation systems for

residential attic applications.

To increase home comfort and save energy year
round, start by reducing the heat loss through
the attic, probably the most cost-effective area
to add insulation.

Using ROXUL

®

thermal insulation, this can easily

be done as a weekend project to insulate the attic
portion of a new extension, or to increase the R-value
and top up the current attic insulation, especially in
an older home.

Venting Your Attic

Before adding insulation, ensure proper venting in the attic,
which is usually supplied by vents in the soffit. Inadvertently
blocking the vents with insulation allows moist air to collect in
the attic, which can cause wood rot and mildew. To avoid this,
install baffles over the soffit vent and staple the baffles in place.

R-49

*

:

The New Minimum R-Value Requirement for Attics

*Some state/municipalities may differ. Check your local bulding codes.

Gaps and voids in the attic can account
for up to 30% of the heat loss. Areas
around pipes, wiring and attic vents are
often neglected and can account for
the majority of those gaps and voids.
ROXUL ROCKFILL

loose fill, top up attic

insulation makes it easy because unlike
other attic insulation, there is no blowing
machine required, and installation can
be done by hand.

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