Do You Have To Replace Attic Insulation

Any moldy insulation should be replaced immediately.

Do you have to replace attic insulation.

Removal and replacement of attic insulation including sealing penetrations from below assuming you already have the standard vapor barrier on top of the topfloor ceiling drywall should run in the 1 2 sf range in a normally accessible attic if low headroom less than 5 feet or so down the middle or low headroom flat roof then closer to 3 sf. It it time to re insulate your home. In some cases roofers have been known to help with blown in insulation as well. You should also replace insulation if your roof has had a leak or you suspect water has gotten into the insulation.

The insulation in your attic helps keep your home energy efficient and comfortable but not if it s damaged. 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 short answer is that you can choose either one it really depends on the situation. By the time you pay for materials and labor for sealing and insulating existing ducts it will usually shake out to a price that s close to what it costs to get new ones.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. If you need attic or roof insulation your roofing replacement is the time to do it. It s up to you but it s generally more cost effective to replace the ducts. This is especially true if you re installing rigid foam insulation where you d need to tear off the shingles to access the sheathing anyway.

A rule of thumb visible floor joints mean you don t have enough insulation experts say. If you have an older home chances are the attic insulation is the same insulation that was installed when the house was built. Mold can grow from the warm humid atmosphere in an attic causing hazardous air quality for your home. Plan to pull up the flooring and layer new insulation on top of the old.

If your contractor does things the way we do replacement also results in a better duct system that keeps you more comfortable and maximizes efficiency. Some homes unfortunately especially older homes have too little insulation damp or. You ll know it needs to be replaced if there are insulation leaks or if it is peeling from the walls. If it s been years or if you ve never gone up there it may be time to think about your insulation.

Blown in insulation is satisfactory for many unfinished attics as long as it doesn t get wet or compressed. You may be wondering if you can add new insulation on top of old insulation or if you need to completely remove and replace it.