The amount of cooling provided by a well ventilated roof exposed to the sun is very small.
Attic insulation hot humid climate.
There are three types of heat transfer.
Learn more and request a free attic inspection.
I m a homeowner in summerville sc hot humid summers.
Thus a good thermal insulation is a must to protect your building and enhance your living comforts.
The r value of insulation is a rating of how well it does its job.
Spray foam insulation is highly sought after because it has incredible r value per inch.
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.
Proper precaution in an uninsulated attic such as the department of energy s recommended r30 to r49 insulation for warm climates r30 to r60 for moderate climates and r49 to r60 for cold climates.
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.
The difference is that in a southern climate the heat is outside trying to work its way in.
Insulation for a hot climate.
Offering a clear range of air bubble thermal insulation products an extraordinary air bubble sheet which is developed with supervision and quality.
Insulation works much the same no matter where you are in that it slows down the transfer of heat.
Conductive losses also occur directly through insulation or where insulation is missing or thin.
The most important factor to consider in a warmer climate is the addition of a radiant barrier to whichever type of insulation you select.
I had a consultant come at least 5 yrs ago.
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.
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.
You could see the porch from inside the kneewalls.
The company can also decontaminate attics when rodents are present repair air ducts install radiant barriers and much more.
Leaked like a sieve.
A poorly insulated roof or attic or wall is cooler in winters and hotter in summer.
I live in a 1983 low country style cape cod style house with a contiguous wrap around porch with 6 dormer windows and 12 c.