WelcomeUser Guide
ToSPrivacyCanary
DonateBugsLicense

©2025 Poal.co

1.5K

(post is archived)

[–] 2 pts 4y

The "perfect wall" is climate dependant. Polyiso insulation drops in R value in freezing temperatures. Replace that 3 inches with 4-5 inches of graphite infused styrofoam and it's way fucking better, maybe even cheaper.