Materials

What are the main types of carpet? Find out which is best for various applications.

Here are some alternative forms of insulation you may not have considered for a project.

Compare the pros and cons of fiberglass, cellulose, and foam. Which has the best fire-resistance, R value, cost, and more...

Insulation works by stopping the free flow of energy. It is able to resist this flow because of its small number of free electrons.