FAQ: How do you attach the solar modules to the house? August 12, 2018August 12, 2018 Q: How do you attach the solar modules to the house? A: We use racking. Racking is made of aluminum and while lightweight, it is heavy duty. Racking weighs about a half a pound per square foot. Post navigation FAQ: If I have solar, why would I want to be connected to a utility company?FAQ: What are the advantages to Home Equity when one gets Solar?