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Category: Climate Action & Science

Stories from the GreenTV newsroom with full coverage and featured images.

August 25, 2026

1:12 Unvented Roofing

I’m in zone 4A with an unvented attic and a 1:12 single slope roof. I’m planning 3” polyiso above the OSB roof deck and fiberglass batts in the 2×10 16OC… Source: Green Building Advisor.

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