Proportioning machines are the beating heart of spray foam applications. Knowing this, spray foam contractors should want the best possible machine to operate in the field. Obviously, no two machines are exactly alike, and this contributes directly to the functionality and performance of the machine in the field. ”In theory, it’s not the equipment that is really any different, it ...

By Ryan Spencer If you’ve sprayed foam for any length of time, then you’ve also worked on your gun. Or your proportioner. Or any other piece of equipment in your rig. Unfortunately, ongoing maintenance is a necessary reality for any spray foam operation. O-rings need to be replaced, chambers get clogged, and side seals get worn–replacement parts can move in ...