Insulation 1" foam

[Burbanlife]

Saw this on Craigslist...1" foam insulation 5 bucks a panel

https://phoenix.craigslist.org/cph/mat/d/phoenix-1-inch-wall-insulation-foam/6781625963.html

 

[frater secessus]

90% of the foam board in my build was bought used off CL. Worked out great.