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Loose fill or batting when replacing insulation after water damage?
We just had a leak in our ceiling which caused some water
damage to the ceiling and exterior wall of one of our bedrooms. The exterior wall has loose cellulose insulation that was blown into the empty wall cavities a year or so ago. The insurance adjuster assumed that some of the cellulose insulation in the wall was damaged, and he included in his estimate money for removing the top two feet of the drywall and replacing it and the insulation behind it with new stuff. He said we should blow in cellulose like what was there before. That seems odd to me, because: a) As far as I know, the only reason you use blown-in insulation rather than other types is because you can blow it in through small holes and don't have to take apart all the walls to install it. In our case, the wall is already going to be taken apart. b) It'll in fact be harder for us to reinstall cellulose, because if we do it before the new drywall is put up, it's awfully hard to get the cellulose to stay in (what are we going to do, carefully stack it one piece at a time? :-), and if we do it after the new drywall is up, we need specialty insulation-blowing equipment that the painting / drywall guys are not likely to have. c) Fiberglass batt insulation is less expensive, better insulating and easier to install in an open wall than blown-in cellulose. I asked the adjuster about this, and he said, "You don't want to have two different types of insulation in the same wall," but he wasn't able to offer any sort of explanation for why. Am I right that if we're going to bother to take down the wall, we should just replace the cellulose with fiberglass batt insulation? Thanks for any help you can provide. |
#2
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Loose fill or batting when replacing insulation after water damage?
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#3
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Loose fill or batting when replacing insulation after water damage?
Jonathan Kamens wrote:
We just had a leak in our ceiling which caused some water damage to the ceiling and exterior wall of one of our bedrooms. The exterior wall has loose cellulose insulation that was blown into the empty wall cavities a year or so ago. The insurance adjuster assumed that some of the cellulose insulation in the wall was damaged, and he included in his estimate money for removing the top two feet of the drywall and replacing it and the insulation behind it with new stuff. He said we should blow in cellulose like what was there before. That seems odd to me, because: a) As far as I know, the only reason you use blown-in insulation rather than other types is because you can blow it in through small holes and don't have to take apart all the walls to install it. In our case, the wall is already going to be taken apart. b) It'll in fact be harder for us to reinstall cellulose, because if we do it before the new drywall is put up, it's awfully hard to get the cellulose to stay in (what are we going to do, carefully stack it one piece at a time? :-), and if we do it after the new drywall is up, we need specialty insulation-blowing equipment that the painting / drywall guys are not likely to have. c) Fiberglass batt insulation is less expensive, better insulating and easier to install in an open wall than blown-in cellulose. I asked the adjuster about this, and he said, "You don't want to have two different types of insulation in the same wall," but he wasn't able to offer any sort of explanation for why. Am I right that if we're going to bother to take down the wall, we should just replace the cellulose with fiberglass batt insulation? If it was my choice, I'd use fiberglass batt. I think the adjuster is batty. |
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