Siding - plywood sheathing


Old 07-17-01, 08:45 AM
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I presently have plywood sheathing for the exterior wall on the front of my house. I would like to add a layer of insulation and place another layer plywood sheathing on top.

Is there any reason to remove the original sheathing if there is no damage? What insulation is recommended?


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Old 07-18-01, 09:02 PM
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Join Date: Feb 2001
Location: sw VA
Posts: 3,100
About the only choice you have is the expanded foam insulating sheets, about an inch thick. Can't remember the R value, but I guess every lil' bit helps. If the walls aren't insulated, now would be the perfect time to drill holes and blow it in.

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