Buying Guide

R-VALUE IS THE ABILITY TO RESIST
HEAT FLOW
Whether you’re a homeowner with a knack for DIY projects, or you are
working with an insulation contractor, it’s important to understand the
R-value of insulation and what it means for the comfort and efciency
of your house.
If your house has cold spots, or you want lower heating and cooling
bills, you can enhance your comfort and reduce utility costs by adding
berglass insulation*. But rst, you’ll need to determine the R-value
you want to achieve.
* Savings vary
THE EFFECTIVENESS OF
INSULATION IS MEASURED
IN R-VALUE. THE HIGHER
THE R-VALUE, THE MORE
THE FIBERGLASS WILL
RESIST HEAT FLOW.