Should Old Attic Insulation Be Removed

Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Should old attic insulation be removed.

The case for leaving the loose fill insulation along the attic floor as is the attic floor insulation will keep doing its job and slow the heat coming into the home. We are losing a lot of heat in the winter through the attic. In either of these situations it s important to remove the affected areas of insulation but it s just as important that the source of the moisture has been located and repaired to. This is a confusing situation and you will probably question yourself if you need to remove the old insulation before you set in the new one.

If there are small cracks around the doors and windows applying some caulk over those cracks to seal them is a simple fix. Loose fill or batt the common term for blanket insulation. They will have the equipment and gear to remove the old insulation. The old insulation is very compressed or has decomposed.

Original insulation looks like little cotton balls. If you decide to leave the old insulation on the attic floor after spray foaming the underside of the roof deck the attic will be much cooler in the winter than if you removed the old insulation. House build around 1960 63. But one reason to put spray foam under your roof deck is to avoid having to air seal your attic floor.

But it s an expensive undertaking providers say materials and labor to install cellulose to the recommended r value can range from 90 cents to 1 50 per square foot depending on prep work and existing. Although insulation professionals will handle the installation for you here are some things to keep in mind about removing old insulation and installing new insulation over old insulation according to energy star. Spray foam contractors in arizona have differed though in their reasoning over if the existing insulation should be removed or kept along the attic floor. Do not try to remove the attic insulation yourself it always best to have a professional insulation contractor remove the attic insulation.

It s becoming commonplace to remove old insulation to allow better air sealing of openings into the attic arick says. You will rarely have to remove your old insulation when setting up a new one. Do we put a moisture barrier over the insulation when we have finished the install. It s essential that insulation should also be removed if there are signs of active moisture or previous moisture that has since dried.

The answer is no. Faced insulation should not be placed on top of existing insulation in the attic. Both can be added to uninsulated attics or layered over existing material.