Insulation requirements for crawl space walls are further specified in iecc section r402 2 10.
Insualtion for attics in connecticut.
Rigid fiber board insulation.
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.
However when using this product in attic areas more than one layer will be required to meet the standard for connecticut s climate.
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.
The higher the r value the better the thermal performance of the insulation.
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.
R value climate zone chart for wall attics and floors.
Insulation is measured in r values the higher the r value the better your walls and roofs will resist the transfer of heat.
Of energy recommends at least r 49 attic insulation levels in northeastern states.
Insulation level are specified by r value.
For more information please visit the radiant barriers page on energy gov.
Insulation requirements for slab on grade floors are further specified in iecc section r402 2 9.
We place a great deal of focus on home performance and viewing the home as a complex group of systems all of which must work properly together to promote energy efficiency indoor comfort and indoor air quality.
Many homes have just r 19 attic insulation.
Home insulation in connecticut insulation solutions of ct is an energy efficiency consulting company based in east hartford servicing the entire state of connecticut.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
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.
Recommended home insulation r values.
R value is a measure of insulation s ability to resist heat traveling through it.
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.
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.
What is the right insulation for an attic.
Floor insulation must be installed to maintain contact with the underside of the subfloor decking.
Don t sit idle while your utility costs go through the roof.