Attic Insulation Requirements California

What is california s recommended attic insulation r value as you can imagine the r value for insulating an attic in alaska isn t necessarily going to be the same for insulating an attic in california.

Attic insulation requirements california.

Insulation level are specified by r value. Csl and is the nation s largest manufacturer of block molded expanded polystyrene eps. Cepe certified energy consultants experienced low rates same day turnaround. Title 24 insulation requirements california title 24 energy reports and calcs for all projects.

Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. Inspecting your attic insulation. For over 50 years insulfoam has been enabling building professionals to construct high quality building insulation systems at a minimal cost. R value is a measure of insulation s ability to resist heat traveling through it.

An insulation certificate must be posted indicating that the installed insulation is consistent with the plans specifications and manufacturer s recommendations. Insulfoam is a division of carlisle construction materials a wholly owned subsidiary of carlisle companies nyse. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

High performance attics prescriptive attic options climate zone hvac duct insulation leakage radiant barrier r 30 at ceiling attic floor r 38 at ceiling attic floor fiberglass below roof deck between rafters air handler ducts in the attic option b 1 r 6 or r 8 depending on cz all with 5 leakage 2 3. Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. In fact there are building codes that require a certain r value for insulation depending on where in the country you live. While federal and in some cases state guidelines for insulation levels are merely recommendations the local building code is the true authority over insulation requirements.

The higher the r value the better the thermal performance of the insulation. Operation and maintenance information for mechanical equipment and devices must be provided to the person responsible for operating and maintaining the building.