Sika Everbuild Everflex 450 Builders Silicone Sealant Buff 300ml

Summary

Sika Everbuild Everflex(R) 450 Builders Silicone is a premium quality, low modulus, non-corrosive neutral cure silicone sealant formulated for professional construction use. It adheres to virtually all substrates - porous and non-porous - without the need for priming, and is available in Buff for a natural, unobtrusive finish. Supplied in a 300ml cartridge, it is suitable for both internal and external applications.

Features

• Low modulus, neutral cure formula is non-corrosive and compatible with sensitive surfaces, preventing staining or corrosion.
• Adheres to virtually all substrates without priming, including glass, metals, plastics, wood, masonry, and polycarbonate.
• Excellent flexibility rated at +/- 25%, accommodating joint movement without cracking or delaminating.
• High viscosity grade formulation delivers excellent tooling properties for a clean, professional finish.
• Low dirt pick-up - particularly important when working with PVCu frames and trims.
• High resistance to plasticiser migration; can be applied over water-based and solvent-based paints.
• Excellent external weathering resistance for long-term durability in exposed conditions.
• Shrinkage less than 5% to ISO 10563, ensuring a stable, long-lasting seal.
• Conforms to BS 5889.

Specifications

• Product Name: Everflex(R) 450 Builders Silicone
• SKU: 484831
• Colour: Buff
• Volume: 300ml
• Cure Type: Neutral cure (non-corrosive)
• Modulus: Low modulus
• Flexibility: +/- 25%
• Shrinkage: <5% (ISO 10563)
• Standard: BS 5889
• Application: Internal and external
• Minimum Joint Width: 6mm

What's Included

• 1 x Sika Everbuild Everflex(R) 450 Builders Silicone Sealant - Buff, 300ml cartridge