Do You Need To Remove Old Attic Insulation

You will have one of two types of insulation in your attic sometimes both.

Do you need to remove old attic insulation. We need to think of spray foamed attics as conditioned attics. If you leave your insulation ignored for a long period it will damage your beams or wood frames where mould and rooting are likely to occur. Wet insulation will mold which can spread to. 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.

Make sure you have the right protective clothing goggles and a good mask or respirator before you start. To ensure that your structures are safe your old insulation needs to be removed and replaced as soon as possible. We recommend a specialized hepa filter rated high powered large capacity vacuum. The answer is no.

Faced insulation should not be placed on top of existing insulation in the attic. Here is a checklist of things to do when removing the insulation. Removing the old insulation for the attic floor will solve this problem. Any new roll or batt insulation installed over existing insulation in the attic needs to be without a vapor retarder face.

The attic insulation removal equipment and supplies needed for your project will be determined by the type of insulation to be removed. Once you regulate the air in your attic this problem goes away with or without the insulation in the attic floor. 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. These can be purchased or.

In fact adding new insulation on top of old insulation will give you a better r value resistance to heat flow and save you money. On a side note. But most attics are not retro fitted by a a c company after spray foam is installed. Attic insulation damaged by an infestation of rodents or by water from a leaky roof requires removal to prevent further contamination in the home.

Even though the insulation might look worn or battered it is rarely necessary to remove old material unless it has been affected by the specific circumstances discussed above. Having old attic insulation can also affect the structure of your house. When its times to adding new insulation they are surprised an old insulation already exists. The vapor retarder on top of or between layers of insulation can.