Attic Insulation In Hot Humid Climates

Keeping the attic space cool.

Attic insulation in hot humid climates. Building materials once they become wet are more likely to remain that way. The difference is that in a southern climate the heat is outside trying to work its way in. The amount of cooling provided by a well ventilated roof exposed to the sun is very small. Conductive losses also occur directly through insulation or where insulation is missing or thin.

Insulation alone is not enough. Learn more and request a free attic inspection. There are three types of heat transfer. In hot climates ventilation is just as important for the opposite reason.

A radiant barrier is a material used in conjunction with attic insulation to reflect radiant heat at the surface and increase the efficiency of attic insulation. Offering a clear range of air bubble thermal insulation products an extraordinary air bubble sheet which is developed with supervision and quality. Thus a good thermal insulation is a must to protect your building and enhance your living comforts. Mold and mechanical insulation thermal insulation materials used for mechanical insulation do not support mold growth.

This is a much greater threat in a hot and humid climate because of the time factor. Insulation for a hot climate. Conductive radiant and convective and i written about the difference between them in an earlier post. Attic construction located in san diego specializes in home insulation installation that protects your home during both hot and cold months.

A poorly insulated roof or attic or wall is cooler in winters and hotter in summer. Negative air pressures in buildings in hot humid climates induce infiltration of hot humid air. In hot climates the primary purpose of attic or roof ventilation is to expel solar heated hot air from the attic to lessen the building cooling load. Insulation works much the same no matter where you are in that it slows down the transfer of heat.

Radiant barrier is a foil that is placed between the attic floor and the insulation. 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. The most important factor to consider in a warmer climate is the addition of a radiant barrier to whichever type of insulation you select.