Monday, May 15, 2017

Recommended Levels of Insulation

Insulation level are specified by R-Value. R-Value is a measure of insulation’s ability to resist heat traveling through it. The higher the R-Value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost-effective for different climates and locations in the home.

Wall Insulation: Whenever exterior siding is removed on an
Uninsulated wood-frame wall:
  • Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the new siding, and
  • Zones 3–4: Add R5 insulative wall sheathing beneath the new siding
  • Zones 5–8: Add R5 to R6 insulative wall sheathing beneath the new siding.
Insulated wood-frame wall:
  • For Zones 4 to 8: Add R5 insulative sheathing before installing the new siding.
Visit Sandium.Com for more information on proper insulation on your home.

Original article from Energy Star

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