What is glass wool insulation? Construction pros reveal it's affordable, effective and easy to install, but it has one major weakness to watch out for

A large ranch style home. Green lawn and lots of orange autumn trees dropping leaves. .

We're always looking for ways to save money at home, particularly during costly renovations.

When it comes to keeping a house warm, glass wool insulation uses melted, spun glass for an eco-friendly alternative to traditional insulation options, such as mineral wool.