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Rigid Insulation to insulate and create attic floor.

Rigid Insulation to insulate and create attic floor.

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Old 01-21-2013, 09:57 PM   #1
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Rigid Insulation to insulate and create attic floor.

I have a 1928 house with the original insulation mat in the attic. A portion of the attic has been floored over with plywood. I was thinking of pulling up the plywood and adding layers of polystyrene sheets for increased R value and then putting the plywood back over the XPS to maintain surface to store stuff on. Is this a feasible solution?

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Old 01-24-2013, 10:15 PM   #2
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Rigid Insulation to insulate and create attic floor.

Welcome to the forums! I would not use the attic as storage. Gary

__________________
Clothes taking longer to dry?
Clean the dryer screen in HOT water if using fabric softener sheets.
They leave a residue that impedes air-flow, costing you money.
Clean the ducting in the last six months? 17,000 dryer fires annually!
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Old 01-24-2013, 10:34 PM   #3
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Rigid Insulation to insulate and create attic floor.

That would also form a vaper barrier on the wrong side which can trap moisture and cause mold.
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Old 01-25-2013, 06:38 PM   #4
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Rigid Insulation to insulate and create attic floor.

If you must, and in a heating climate: pp. 24 and read the article, air seal first, etc.; http://www.buildingscience.com/docum...ation-packages

Gary
__________________
Clothes taking longer to dry?
Clean the dryer screen in HOT water if using fabric softener sheets.
They leave a residue that impedes air-flow, costing you money.
Clean the ducting in the last six months? 17,000 dryer fires annually!
Gary in WA is offline   Reply With Quote
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