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Old 01-18-2010, 11:53 AM   #1
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Loose Fill Insulation in walls

Can I use loose fill insulation for a 2x3 studded wall?

Here's my plan to insulate cinderblock walls in a partially underground basement.

1. Attach unfaced 1/2" polystyrene sheating to the cinderblock and seal the joints.
2. Frame a wall with 2x3s directly against the sheating.
3. Attache Drywall to the frame, leaving a gap at the top.
4. Blow cellulose loose fill insulation into wall cavity.
5. Fill the gap part of the cavity with standard fiberglass insulation.
6. Drywall the gap.


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Old 01-18-2010, 07:05 PM   #2
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Loose Fill Insulation in walls

Moved to Building and Construction forum.


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Old 01-18-2010, 09:03 PM   #3
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Loose Fill Insulation in walls

Sounds good! Use p.t. bottom plate, caulk all surface connections, hold drywall up ” above floor, use a sill sealer under plate for a thermal/capillary break, add foam board on top of concrete stem wall- caulking first, depends on location for v.b., v.r. or not, and meet required basement R-value in walls:



R-1.11 for 8” block: http://www.coloradoenergy.org/procor...f/r-values.htm

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