Should Inredo The Insulation In My Attic

You should also replace insulation if your roof has had a leak or you suspect water has gotten into the insulation.

Should inredo the insulation in my attic.

0but olson says in many cases the old insulation does not need to be removed which keeps costs down. There are various factors that affect how often a home s attic insulation should be replaced. Warm insulation is installed on the underside of the roof deck at the top of the attic just below the roof decking. If you d like to finish your attic you will need warm insulation.

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. Insulation level are specified by r value. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. In general an attic s r value should be between r 30 and r 49.

However that insulation is not updated since 60 years ago and was found by a home energy audit to be insufficient. Let s say the insulation you ve selected has an r value of three per inch and. You can achieve better thermal performance in your attic by adding an additional layer of insulation. When you have warm insulation the attic space is kept warm in the winter as the heat from the furnace can reach it.

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. After this amount of time insulation begins to peel away from the walls and degrade. Plan to pull up the flooring and layer new insulation on top of the old. The upstairs has a highly sloped roof and definitely has insulation in the relatively narrow attic and i believe has insulation at the angled portions of the second story and in the hip walls.

Achieving greater r values in exterior walls. 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. A good rule of thumb is that standard insulation should be inspected to see if it needs to be replaced at least every fifteen years. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

My 60 year old house is 1 5 stories. Mold can grow from the warm humid atmosphere in an attic causing hazardous air quality for your home. In particularly cold climates you might go up to r 60. A typical insulation project can range from 1 500 to 5 000 depending on the size of the project.

Any moldy insulation should be replaced immediately. The table below shows what levels of insulation are cost effective for different climates and locations in the home.