Sika Everbuild Everflex 450 Builders Silicone Sealant White 310ml

Summary

The Sika Everbuild Everflex 450 Builders Silicone is a premium quality, low modulus, neutral cure silicone sealant designed for professional construction and building applications. It bonds to virtually all porous and non-porous substrates without priming, making it a trusted choice for tradespeople working on window and door installations. Available here in White (450WE), supplied in a 310ml C3 cartridge.

Features

• Premium low modulus, non-corrosive neutral cure formulation that will not attack sensitive materials such as polycarbonate or sealed glass units.
• Adheres to most common surfaces including glass, metals, plastics, wood and PVCu without the need for priming.
• Excellent flexibility rated at +/- 25%, allowing the sealant to accommodate structural movement without failing.
• Low dirt pick-up properties help maintain a clean, professional appearance - particularly important on PVCu installations.
• High resistance to plasticiser migration; can be applied over water-based and solvent-based paints.
• Excellent external weathering properties, providing long-term resistance to UV, rain and temperature fluctuation.
• Suitable for bedding insulated glass units in accordance with relevant clauses of BS8000 Part 7.
• Conforms to ISO 11600 Class F 25LM, providing an industry-standard performance benchmark.
• Shrinkage less than 5% to ISO 10563, ensuring a stable, durable seal over time.

Specifications

• SKU: 484830
• Product Code: 450WE
• Colour: White
• Pack Size: 310ml (C3 cartridge)
• Cure Type: Neutral cure (oxime-free), RTV
• Modulus: Low modulus
• Flexibility: +/- 25%
• Shrinkage: <5% (ISO 10563)
• Standard: ISO 11600 Class F 25LM
• Minimum Joint Width: 6mm
• Application: Internal and external
• Brand: Sika Everbuild

What's Included

• 1 x Everbuild Everflex 450 Builders Silicone Sealant - White, 310ml cartridge