Zero Energy Homes - Roofs

Here are 5 features of zero energy homes roofs.

1. Air sealed joints and penetrations through the ceiling

2. R-49+ insulation for a flat attic

3. R-38+ insulation for a vaulted attic

4. Exterior insulation aka outsulation for a vaulted attic to reduce thermal bridging through the rafters

5. Durable roofing such as metal or composition shingles