Best Way To Insulate Attic In Florida
How much attic insulation is already there.
Best way to insulate attic in florida. Let s say you measured your attic and you realize your attic has about 9 inches r 30 of insulation and your attic is about 40 sq feet you d need at least 3 inches of extra insulation that covers 40 sq ft to get an r value of r 38. The easiest and most cost effective way to insulate your home is to add insulation in the attic. You can measure attic insulation thickness with a ruler and multiply the number of inches by the r value of that particular insulation to get an insulation rating. This type of insulation.
Focus a lot of energy pun intended on the underside of the roof to keep the heat out of the attic and not just the floor of the attic. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Its properties make it an excellent choice for attic insulation. Most insulation you buy will have a sq ft number for easy reference.
Don t worry if the fiberglass batt insulation at the home center seems to be too thin. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. It keeps the wanted and expensive air in your home while blocking the rest out. It s available in fiberglass mineral wool plastic fibers and natural fibers.
Then to really seal the attic access up tight says olson lay fiberglass batt insulation on the inside of the hatch or door and wrap it up tight like a christmas present photo 3. If you re using your garage enough to warrant installing a heater and or air conditioner by all means you should insulate the ceiling between the garage and an unfinished attic space above. Plan to pull up the flooring and layer new insulation on top of the old. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
Spray foam insulation is designed to seal air leaks and to keep out water and mold. The attic is one of the most important areas in your home to insulate. To keep the blown in insulation from falling through the attic hatch opening make a 2x12 dam around the hatch perimeter. You can use products like radiant barrier on the underside of the roof spray foam or even good old fashioned batts of rock wool denim or fiberglass.
It will expand to as much as 6 inches thick. To cut a batt to size lay it on a piece of plywood. Then put a short length of 2 4 at the point where you want to cut put your foot on the 2 4 and lean on it to compress the fiberglass.