Prev3 of 5Next Choosing Insulation Materials Foam tubing is a common and effective material for insulating pipes. It is easy to install and widely available in hardware stores. Ensure the insulation fits snugly around your pipes to maximize heat retention. Prev3 of 5Next Choosing Insulation Materials Post navigation Turning Off Pre-Heat Settings on Combi Boilers Using Thermostatic Radiator Valves (TRVs)