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re: Recommendations for attic insulation for older house in south Lousiana
Posted on 5/26/21 at 4:07 pm to DrewTheEngineer
Posted on 5/26/21 at 4:07 pm to DrewTheEngineer
I'm in a very similar situation and your house sounds exactly like mine. After recently researching those two options, I'm planning to go with blown in. It's cheaper and I can easily do it myself.
The spray foam provides more insulating properties, but is more expensive and generally not recommended for DIY. I was told by the installer when getting a quote on spray foam that I would need to seal off my attic ventilation from the outside and thus additional modifications to your HVAC would be required. I've also heard the spray foam can shorten the life of your roof.
Good luck!
The spray foam provides more insulating properties, but is more expensive and generally not recommended for DIY. I was told by the installer when getting a quote on spray foam that I would need to seal off my attic ventilation from the outside and thus additional modifications to your HVAC would be required. I've also heard the spray foam can shorten the life of your roof.
Good luck!
Posted on 5/26/21 at 8:19 pm to BassHorn
My house was built in 1980, we moved in 3+ years ago. Went through 2 summers of $400+ average electric bills, peaked at over $550 a few times (non-levelized billing). Got blown in cellulose insulation before last summer and have not had a bill over $300 yet. We do have 2 A/Cs but about the same size house. Had double pane windows installed right when we moved in and those didn't seem to make much difference but the insulation 100% did.
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