4 ms·
Spray foam insulation: $27k Got to say using spray foam to insulate the wall cavities instead of using external insulation over the structural elements is abou
by Gibbon1 3y ago
Spray foam insulation: $27k
Got to say using spray foam to insulate the wall cavities instead of using external insulation over the structural elements is about the worst idea ever.
Also how much solar can you buy for $27k? Enough to supply 60kwh a day to run a heat pump.
- foxyv 3y agoBuilding a perfect wall with external insulation is kind of expensive and hard to get approved by an inspector. It's much easier to just do it the way everyone else does and follow national building code.