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 ...

The foam is applied by professional installers using a spray gun. The material is sprayed on as a liquid, which then expands and sets to form an insulating layer. As it’s liquid, the foam is ...

Closed cell spray foam is made by mixing two chemicals. Each chemicaltravelsdown a separate hose and are mixed together as ...