Expanding foams can be used for many tasks, here is a list of the most commonly used applications:

• Insulation and sealing. E.g. Windows, Doorframes and small gaps
• Provides a BRANZ Appraised air-seal around windows & doors
• Filling of cavities around pipes 
• Connecting insulation materials and roof constructions
• Creation of a soundproof screen
• Improving thermal insulation (Insulation R Values) in cooling systems