Do You Need To Remove Old Attic Insulation

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Do you need to remove old attic insulation.

But most attics are not retro fitted by a a c company after spray foam is installed. 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. 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. Once you regulate the air in your attic this problem goes away with or without the insulation in the attic floor.

We recommend a specialized hepa filter rated high powered large capacity vacuum. The vapor retarder on top of or between layers of insulation can. The answer is no. You will have one of two types of insulation in your attic sometimes both.

On a side note. Wet insulation will mold which can spread to. Here is a checklist of things to do when removing the insulation. 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.

When its times to adding new insulation they are surprised an old insulation already exists. Your attic will have been previously insulated with blown cellulose insulation or fiberglass batt insulation. You will rarely have to remove your old insulation when setting up a new one. To ensure that your structures are safe your old insulation needs to be removed and replaced as soon as possible.

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. The attic insulation removal equipment and supplies needed for your project will be determined by the type of insulation to be removed. Make sure you have the right protective clothing goggles and a good mask or respirator before you start. 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.

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. Faced insulation should not be placed on top of existing insulation in the attic. Having old attic insulation can also affect the structure of your house.