Foam guns contain more parts than cannons, such as a spray nozzle with trigger and control knob near it that can adjust bead size (1/8 to 3 inches). Furthermore, two-finger triggers make operation ...

Spray foam insulation involves using a liquid polyurethane foam to insulate your home. The foam is applied by professional installers using a spray gun. The material is sprayed on as a liquid ...

It is advising people to make sure they only use reputable firms. Sandra Burton from Nottingham says she was targeted by a "cowboy" firm that put spray foam insulation in her roof, causing ...