The two main materials we recommend are either Fiberglass Batting or Sprayed-Foam – or a combination of both to get the benefits of each!

There are other insulation types currently available, such as cellulose, lamb’s wool, and natural cotton. We can help you figure out what’s best for your dome.  We have tried some – some work, some don’t.

	Fiberglass Batting
	Sprayed-Foam

Foundation Frequently Asked Questions:

Information and/or Video clips