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Xtreme HM Sanitary Silicone Sealant

A superior anti-mould acetoxy silicone sealant guaranteed to prevent mould, mildew and bacterial growth for up to 10 ...

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Xtreme HM Sanitary Silicone Sealant
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Mega Foam PU Expanding Foam

All purpose B3 "2 in 1" polyurethane foam supplied in canister for use as either hand held or gun grade versions, usi...

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Mega Foam PU Expanding Foam
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GBX Next Gen STP Hybrid Polymer Sealant & Adhesive

Bond It GBX is a next-generation STP hybrid sealant and adhesive designed to deliver exceptional grab strength, long-term flexibility and high-performance bonding in even the most demanding conditions.

 

Engineered for professional trade use, it combines sealing, bonding and fixing in a single advanced formulation, making it a true all-round solution for construction, installation and maintenance work.

 

Demand Xtra, Demand GBX.

Crystal Clear
White
Anthracite
Black

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GBX is the ideal choice for professionals who need a high-performance polyurethane hybrid sealant and adhesive that reduces on-site product complexity without compromising strength or reliability. From heavy-duty construction and roofing applications to interior fixing and repair work, it delivers consistent, trade-grade performance across every application.

  • High-modulus formulation that remains permanently flexible, with elongation capability of up to 275%
  • Contains an added biocide to inhibit mould growth and reduce bacterial build-up
  • Overpaintable once cured for seamless finishing integration
  • Non-shrinking, non-cracking and bubble-free finish for clean, professional results
  • Free from isocyanates, solvents, silicones and phthalates for safer, cleaner application
  • Anti-pick properties for improved durability and resistance to tampering or wear
  • Rapid curing performance to speed up installation and reduce downtime
  • Suitable for wet-on-wet application, including use in damp conditions and underwater environments
  • Neutral cure formulation with virtually no odour, making it suitable for sensitive or enclosed spaces
  • Resistant to saltwater, UV exposure and harsh weather conditions for long-term external durability
  • Non-corrosive to metals, ensuring compatibility with a wide range of substrates
  • Absorbs acoustic and mechanical vibrations for improved joint stability and performance
  • Fully UKCA approved for compliance with UK construction standards
  • Suitable for sealing and bonding interior and exterior applications in all weather conditions
  • Bonds to a wide range of construction materials, including brick, concrete, stone, glass, plasterboard, PU, PVC, hard plastics, enamel, ceramics, aluminium, copper, lead, zinc, stainless steel, alloys, HPL, cement fibre panels, wood, painted surfaces, carbon fibre, fibreglass and GRP
  • Ideal for humid environments such as bathrooms and kitchens, helping to prevent mould growth caused by bacteria
  • Effective for filling and sealing joints, gaps, cracks and general voids in building and construction applications
  • Suitable for metal-to-metal bonding applications, absorbing vibration and accommodating thermal movement without damaging substrates
  • Will not attack or stain sensitive surfaces when exposed to the expansion and contraction of metals
  • Suitable for underwater and marine sealing applications, including resistance to seawater exposure and use as a pool sealant in closed-face applications such as tiled surfaces
  • Appropriate for roofing and external building work, including sealing and fixing solar panels, gutters and downpipes
  • Ideal for outdoor repair and maintenance, including garden furniture, planters, ornaments, slates and cracked concrete
  • Suitable as a mirror adhesive that will not damage or degrade the mirror backing layers
  • Anti-pick formulation designed to resist vandalism and debonding, including use in high-security or correctional environments

EN15651-1,3: F EXT-INT, S1.
Food safe (ISEGA certified).
EC1 Plus certified for low emissions.

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Guides

Practical how-to guides covering preparation, application and finishing tips for common building and repair tasks. Designed to support both trade professionals and DIY users using Bond It products.

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