Open cell spray foam

The Basics of Spray Foam Insulation A Green Way to Insulate a Home

For those readers who aren’t fully trained on how to build a home from scratch, it’s okay to not know every detail about construction when you’re first getting started on the topic. If you’ve never heard of the term spray foam, this is a great place to start. We’ll fill you in on the basics of this expanding chemical insulation, starting with its history. In 1937, a German chemist named Otto Bayer is credited with the invention of polyurethane. The foam-like substance has a number of uses, but it wasn’t until around 40 years later that polyurethane was used as […]