Masterwall® joint expansion foam FM330 is designed to seal door and window frames, top of wall joints, beam and wall to roof joints and service penetrations.

• Used to fill and seal joints and penetrations
• Airtight and water resistant
• Flexible to allow for movement between materials
• Improves sound and thermal properties
• Easy to cut when cured

This joint foam is designed to be used in conjunction with Masterwall® products for best outcomes. Refer to manufacturer's installation guidelines for further information.