Concrete sealant THE GOAT GROMMET

liquidwatertight

Product overview
The GOAT Liquid Grommet is a fast-curing, airtight and flexible sealant supplied as a box of 6 × 310 ml mastic tubes. Ideal for sealing service penetrations, corners and junctions, it becomes waterproof within minutes of application and cures to form a durable, airtight and watertight seal.

Why choose The GOAT Liquid Grommet?

• Flexibility like never before
  The liquid grommet adapts seamlessly to any size or shape, filling irregular openings to create a customised airtight seal where rigid plastic grommets fail.
• Effortless application
  Applied with a cartridge/mastic gun. Quick, bonds directly to building fabric and is suitable for timber, brick and concrete substrates.
• Superior airtightness
  Eliminates gaps and leaks; cures to a durable, flexible membrane that withstands building movement and weather.
• Total versatility
  Suitable for new build and retrofit projects, including Passivhaus builds; can be used on cables, pipes, ducts and conduits.
• Energy efficiency
  Reduces air leakage to improve thermal performance and lower heating/cooling costs.

How it works
Applied directly over or around a penetration using a cartridge gun. It adheres to the surface and, as it cures, forms a seamless airtight barrier that expands and contracts with the building. Designed to withstand temperature changes, humidity and building movement.

Applications

• Timber frame construction — seals penetrations while maintaining appropriate breathability.
• Brick and block walls — adheres to rough surfaces and forms a complete seal around pipes, cables and conduits.
• Concrete — exceptional adhesion for commercial and industrial projects.
• Retrofit projects — upgrades existing buildings to meet modern airtightness standards.

Additional product information

• Supplied: Box of 6 × 310 ml mastic tubes
• Application method: Mastic / cartridge gun
• Becomes waterproof within minutes of application
• Cures to a durable, flexible, airtight and watertight seal
• Can be applied internally and externally
• VOC free
• Good UV resistance

Documents available

• Technical Data Sheet (TDS) for The GOAT Liquid Grommet
• Install Guide for The GOAT Liquid Grommet
• Safety Data Sheet (SDS) for The GOAT Liquid Grommet

Technical characteristics / specifications

• Product collection: The GOAT
• Commercial name / model: The GOAT Liquid Grommet
• Format / pack: Box of 6 × 310 ml mastic tubes
• Application: Cartridge / mastic gun
• Curing: Fast-curing; becomes waterproof within minutes
• Performance: Airtight, flexible and watertight when cured
• Substrates: Timber, brick/block, concrete
• Use cases: New build, retrofit, Passivhaus-compatible applications
• Environmental / durability: VOC Free; good UV resistance
• Available technical documents: TDS, Install Guide, SDS