Difference Between Crawlspace Insulation And Attic Inuslation

Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly.

Difference between crawlspace insulation and attic inuslation.

Learn the difference between radiant barrier vs. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. To find out if you have enough attic insulation measure the thickness of the insulation. Some types of thicker foam board insulation are available but they may need to be special ordered.

If there were a way to eliminate the possibility of critters i would prefer the cooler location for ducts. Sure there s insulation in your attic and crawlspace. Then install a vapor moisture barrier between the exterior and interior crawl space surface before adding the insulation to keep inevitable moisture from seeping through. But there s probably nothing to prevent air from moving past plumbing air duct and electrical penetrations.

Due to the fact that the ground in crawl spaces is usually a few degrees cooler than the underside of your floor insulation condensation will begin to form on the underside of your floor joists and insulation. In a crawlspace you have to worry about critters and duct losses. See more on different types of insulation. Or attic staircase hatches.

Loose fill or batt insulation is typically installed in an attic. Or whole house fans. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Due to the stack effect most of this leakage occurs at the top and bottom of your home your attic and crawlspace.

Insulation level are specified by r value. In the attic you have worry about heat gain and duct losses. Convection conduction and radiation. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.

However in subfreezing temperatures insulating the walls and sealing off the crawl space is most effective. R value is a measure of insulation s ability to resist heat traveling through it. If a crawl space isn t ventilated you ll only need to insulate the walls rather than the subfloor above. Modern houses built on crawl spaces place insulation usually fiberglass batt insulation in between the floor joists.

The higher the r value the better the thermal performance of the insulation. With new construction i would look for a way to have them in conditioned space. Thermal insulation as well as how to make the right selection for your albany new york area home. Foam board insulation is easy to use and is a great diy way to add some insulation.