For the life of me I will never understand why they are reluctant to foam and when they use spray foam they use open cell instead of closed cell. If you ask me they should be using closed cell spray foam on all these houses.
Another option. My parents had Radiant Barrier Foil installed in their attic here in The Villages and it made a huge difference neither were an option when we built out home in Middleton. Not during the build anyhow.
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