Product Description

EVERFLEX® 450 Builders Silicone from EVERBUILD® is a high-quality, low modulus, neutral cure silicone sealant designed for ultimate versatility. Its non-corrosive formula ensures strong adhesion to almost any surface—porous or non-porous—including glass, metal, wood, and plastics. Ideal for expansion joints, perimeter sealing around doors and windows, glazing, and general construction applications.

Key Features:

• Excellent adhesion: Bonds to glass, metals, wood, plastics, and more
• Low dirt pick-up: Ideal for use in PVCu installations
• High flexibility: Accommodates joint movement of up to ±20%
• Weather-resistant: Long-lasting performance in exterior conditions
• Non-corrosive: Safe for use on sensitive metals like lead, copper, and zinc
• Paint compatible: Resistant to plasticiser migration; can be used over water- and solvent-based paints
• Polycarbonate safe: Suitable for use on polycarbonate surfaces

Common Applications:

• Perimeter sealing around PVCu, wood, and metal window and door frames (internal and external)
• Bonding PVCu trims, plastic components, and cladding
• Bedding insulated glass units (as per BS8000 Part 7 guidelines)
• Expansion joint sealing in construction applications
• General glazing, draughtproofing, and sealant repair work
• Sealing soft metals and weatherproofing parapets and roofs
• Glass-to-glass and glass-to-aluminium joints

EVERFLEX® 450 delivers professional-grade results in demanding environments—perfect for builders, glaziers, and installers who need a sealant that performs across a wide range of surfaces and applications.