Hot Climate Roof Insulation

The r value of insulation is a rating of how well it does its job.

Hot climate roof insulation.

Or you can use a white reflective roof color in place of the foil since your biggest concern is overheating. Insulation works much the same no matter where you are in that it slows down the transfer of heat. Thus a good thermal insulation is a must to protect your building and enhance your living comforts. Spray foam insulation is by far the best type of insulation for hot climates as it has considerably higher r values than other insulation types.

Un insulated attic spaces in hot humid climates easily reach 140 and higher so if you have an air conditioning duct with minimal insulation running through the hot attic you can imagine how much of the cooling is lost before it even gets to your rooms. Conductive radiant and convective and i written about the difference between them in an earlier post. Insulation for a hot climate. They are available as sheets sarking concertina type batts and as bubble multi cell batts and radiant barrier chips.

Reflective roof insulation radiant barriers radiant barriers reflective roof insulation are mostly used in hot climates. They use reflective surfaces typically foil coated sheet and heavy foil. Then leave an air space between the top of the reflective barrier and the underside of the roof sheathing. There are three types of heat transfer.

The difference is that in a southern climate the heat is outside trying to work its way in.