Home Attic Insulation Recommendations

Your home s r value score will guide you toward the type of insulation you need.

Home attic insulation recommendations.

We have a 700 sq. Recommended attic insulation in california here in southern california and any other hot climate it s usually recommended to install both a radiant barrier and blown in fiberglass or cellulose in the attic in cooler climates it can. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job.

While federal and in some cases state guidelines for insulation levels are merely recommendations the local building code is the true authority over insulation requirements. In general an attic s r value should be between r 30 and r 49. Well your attic has a dramatic impact on the temperature throughout the rest of your home as well. And approximately 550 sq.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. The higher the r value the better the thermal performance of the insulation. The best type of insulation for the attic and other areas of your home mainly depends on where you live.

Plan to pull up the flooring and layer new insulation on top of the old. We are interested in the new owens corning pure safety insulation if you install it. In particularly cold climates you might go up to. Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value.

Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to. 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. We are also hopeful of being able to take advantage of. Existing 3 4 inches of insulation.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. Recommended insulation levels for retrofitting existing wood framed buildings. Add insulation to attic.