Best Way To Insulate Attic In Texas
Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.
Best way to insulate attic in texas. The two types of attic insulation available for diy are loose fill insulation and batts insulation. Which type of insulation is best for. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.
The higher the r value the better the thermal performance of the insulation. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. They usually come packaged in rolls and. See below for a shopping list and tools.
Insulating a finished attic there are two basic ways to insulate a finished attic. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Further attic insulation can be done with attic tents which insulate the attic drop down stairs and slice your energy bill by about 145 annually. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
You can achieve better thermal performance in your attic by adding an additional layer of insulation. The big disadvantage with spray foam is cost. In this case the area behind the knee wall will be uncomfortably hot or cold. If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space.
It s available in fiberglass mineral wool plastic fibers and natural fibers. 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. Keep in mind that you still want to have air venting under the roof especially with asphalt shingle roofs whose life can be shortened by excessive heat. 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.
The most common type of insulation batts and blankets are great for diy projects. I d blow insulation on the attic floor after air sealing of course. What type of insulation is best for your attic. This type of insulation.