RLA Flex-Pro MS Sealant

RLA Flex-Pro MS is a high-performance, one-component sealant and adhesive based on silane-modified polymer (MS Polymer) technology. It cures by moisture to form a flexible, durable, and weather-resistant bond suitable for both interior and exterior applications.

Features
✅ Solvent-free, isocyanate-free, and silicone-free formulation
✅ Excellent adhesion to a wide range of materials – concrete, aluminium, glass, masonry, stone, steel, timber & PVC
✅ High elasticity – accommodates joint movement and vibration
✅ UV and weather-resistant for indoor and outdoor use
✅ Low VOC and environmentally friendly
✅ Paintable once cured

Applications

• Expansion & control joints

• Perimeter sealing around windows and doors

• Penetrations and façade joints

• Bonding tiles, stone, and construction panels

• Sanitary and wet area sealing (bathrooms, kitchens, laundries)

• General construction, flooring, and façade joints

Directions for Use

• Apply to clean, dry, and dust-free surfaces.

• Use a suitable caulking gun and ensure correct joint design.

• Avoid three-sided adhesion to allow proper movement.

• Curing time depends on humidity, temperature, and joint depth.

• Primer is usually not required but may be used on difficult surfaces.

Technical Information

• Base: Silane-Modified Polymer (MS)

• Curing: Moisture Cure

• Application Temperature: +5 °C to +35 °C

• Movement Capability: ±25 %

• Storage: 12 months in original unopened packaging at ≤25 °C

Packaging

• 600 mL

• Colour: Grey