Hot Climate Roof Insulation

Reflective roof insulation radiant barriers radiant barriers reflective roof insulation are mostly used in hot climates.

Hot climate roof insulation.

Thus a good thermal insulation is a must to protect your building and enhance your living comforts. Or you can use a white reflective roof color in place of the foil since your biggest concern is overheating. The r value of insulation is a rating of how well it does its job. The difference is that in a southern climate the heat is outside trying to work its way in.

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. Then leave an air space between the top of the reflective barrier and the underside of the roof sheathing. Insulation works much the same no matter where you are in that it slows down the transfer of heat. I would fill the roof joist cavities with cellulose insulation and cover the top of the cavities with a foil reflective barrier.

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. They use reflective surfaces typically foil coated sheet and heavy foil. Conductive radiant and convective and i written about the difference between them in an earlier post. They are available as sheets sarking concertina type batts and as bubble multi cell batts and radiant barrier chips.

Offering a clear range of air bubble thermal insulation products an extraordinary air bubble sheet which is developed with supervision and quality.