Description
GR100 S/A Self-Adhesive Bituminous Vapour Barrier
GR100 S/A is a high-performance self-adhesive bituminous membrane designed to form a total vapour and gas barrier in demanding environments. Reinforced with a composite aluminium foil and integral glass-fibre mat, the membrane delivers exceptional vapour resistance and durability.
GR100 S/A is particularly suited to high-humidity internal environments such as sports halls, swimming pools, bathrooms, kitchens and wet industrial areas, where reliable vapour control is essential to protect the structure and finishes.
- Best for: vapour and gas control in high-humidity environments
- Installation type: cold-applied, self-adhesive membrane
- Compatible systems: LIQUIFLEX PRO and other polyurethane waterproofing systems
Key Features
- Total vapour barrier: helps prevent moisture penetration and structural damage.
- Cold-applied & self-adhesive: no hot works or flames required for installation.
- Waterproof & self-sealing: forms a seamless protective layer.
- High puncture & tear resistance: reinforced with fibreglass matting for durability.
- Excellent compatibility: polyester-coated upper surface allows adhesion of LIQUIFLEX PRO and PU systems.
- Fast installation: suitable for concrete, plywood/OSB and metal deck substrates.
- Foot-traffic resistant: maintains integrity on profiled metal decks.
Dimensions & Packaging
- Length: 30m
- Width: 915mm
- Thickness: 0.6mm
- Roll weight: 21kg
- Pallet quantity: 25 rolls per pallet
VCL Primer – High-Adhesion Bonding Solution
VCL Primer is a polymeric primer developed to improve adhesion of self-adhesive membranes such as GR100 S/A. It provides a strong, flexible bond on both horizontal and vertical substrates.
The primer is fast drying and formulated with reduced levels of volatile solvents, helping meet environmental requirements while delivering secure and long-term adhesion, particularly in challenging site conditions.
VCL Primer – Key Features
- Superior bond strength: improves adhesion and cohesion of self-adhesive membranes.
- Fast drying: supports efficient installation and reduced downtime.
- Environmental compliance: reduced solvent formulation for safer use.
- Performance in difficult conditions: helps maintain bond strength when substrates or climate are challenging.
VCL Primer Packaging
- Volume: 5L
Used together, GR100 S/A and VCL Primer provide a robust, durable and high-performance vapour barrier solution for professional waterproofing and vapour control applications.
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