Proper insulation is crucial for maintaining a building’s internal temperature, reducing the need for excessive heating or cooling. This, in turn, leads to significant energy savings. Metal purlins, ...

Optimal insulation of a building starts with its foundation ... by expanding foam between wooden poles and purlins can cause thin feet metal to buckle. 11. Spray foam could create warranty ...

The 2015 International Energy Conservation Code (IECC) recognizes this difference and requires continuous insulation on steel and concrete masonry unit (CMU) wall assemblies. Some building pros assume ...