Key facts

1 Litre Mastic Gun also available for use with Gyproc Sealant.

Application

• Suitable for sealing joints; between walls and ceilings, in blockwork (where only low movement is expected), around door and window frames, ventilation grills and for sealing duct holes.
• Can be applied to porous substrates such as plasterboard, metal, concrete, plastics, cement, blockwork and wood.

• ASTM C475/C475M : Standard Specification for Joint Compound and Joint Tape for finishing gypsum board.
• ASTM C834 : Standard Specification for Latex Sealants.