how to insulate an inaccessible attic

Installing a Gable Vent Fan: 3 Tips. Pull the wiring up through the hole and rest it on top of the insulation, so that the heat it generates will dissipate upward rather than being trapped under the insulation. Read this guide to learn the basics of doing it yourself. Press and tuck the edges of each part of the blanket, to make sure they fit snugly and that there are no gaps between them. Blanket £400-£600. You can also wrap pipes in heat tape or heat cables with a thermostat control. The U.S. Department of Energy estimates that attic insulation can substantially decrease—by anywhere from 10 to 15 percent—the amount of money you devote each month to keeping your house at a comfortable temperature. But if you ventilate the attic, then the insulation under the … Try to work in the early morning if you can. Several things must be addressed so your insulation can work. Past a certain thickness, it may not be cost-effective to add more insulation even if you aren't sure your attic is at the R-38 level. You can use a shovel or a rake, but a heavy duty shop-vac is faster and easier. Be sure to cut away a 3-inch space around any chimneys or other heat sources. Insulating the attic floor. Unfortunately, if you only insulate between the joists before doing this, the insulation won’t be thick enough. Most batting is made of mineral wool or fiberglass, which requires protective gear to work with safely. Include your email address to get a message when this question is answered. Without ventilation, moisture can accumulate and condense, eventually rotting the insulation and compromising structural integrity. It can cost anywhere from $1,700 to $2,100 or between $1.50 and $3.50 per foot to insulate an attic depending on what insulation material you choose. Most common, though, is blanket-style insulation, made of either fiberglass or rock wool. Fiberglass Insulation in the Attic 2 - Installation. Statistics show that 85 percent of a house's heat loss is straight up through the attic space. Handy homeowners can install blown-in insulation in the attic. You want to plot the shortest course, and although code allows bends in the duct pipe, there should be as few as possible. If it doesn't have one, you'll need to purchase material for one yourself. To create this article, 10 people, some anonymous, worked to edit and improve it over time. To insulate an attic, get some batting made out of mineral wool, fiberglass, or recycled foam. The first said that he'd cut a hole in the ceiling in order to insulate the inaccessible attic space. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/26\/Insulate-an-Attic-Step-1.jpg\/v4-460px-Insulate-an-Attic-Step-1.jpg","bigUrl":"\/images\/thumb\/2\/26\/Insulate-an-Attic-Step-1.jpg\/aid3170546-v4-728px-Insulate-an-Attic-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"