Insualtion For Attics In Connecticut

For more information please visit the radiant barriers page on energy gov.

Insualtion for attics in connecticut.

Recommended home insulation r values. All new construction in the usa and canada today must meet certain minimum r values depending on what climate area of the country you live in. The higher the r value the better the thermal performance of the insulation. Foam insulation often used for exterior walls prior to siding insulation foam panels add an extra layer of protection to your home.

Many homes have just r 19 attic insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Insulation level are specified by r value. Insulation requirements for crawl space walls are further specified in iecc section r402 2 10.

Insulation is measured in r values the higher the r value the better your walls and roofs will resist the transfer of heat. Insulation requirements for slab on grade floors are further specified in iecc section r402 2 9. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. R value climate zone chart for wall attics and floors.

Radiant barriers and reflective insulation reduce radiant heat gain by reflecting radiant heat away from the living space. Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration. With r values from r 1 2 and up it is used in both new construction and remodels. Don t sit idle while your utility costs go through the roof.

Radiant barriers are more effective in hot climates rather than cool climates like connecticut. Floor insulation must be installed to maintain contact with the underside of the subfloor decking. R value is a measure of insulation s ability to resist heat traveling through it. What is the right insulation for an attic.

Rigid fiber board insulation. Many homes have no insulation at all because building codes didn t even require insulation prior to the mid 1970 s. With this energy upgrade complete you can now upgrade your attic insulation in connecticut. How much insulation do you have in your attic.

First check the insulation in your attic ceilings exterior and basement walls floors and crawl spaces to see if it meets the levels recommended for your area. Of energy recommends at least r 49 attic insulation levels in northeastern states. Access doors from conditioned spaces to unconditioned spaces e g attics and crawl spaces shall be weatherstripped and insulated to a level equivalent to the insulation on the surrounding surfaces.