Everbuild Everflex 450 Builders Silicone is a premium quality low modulus neutral cure silicone sealant that adheres to virtually all substrates, both porous and non-porous. Typically used for construction expansion joints and perimeter pointing around all types of door and window frames. Key features include excellent adhesion to glass, metals, plastics and wood, +/- 25% flexibility, high resistance to plasticiser migration, and excellent external weathering properties. Available in Buff, Black, Brown, Grey, Oak, Translucent and White. Supplied in 300ml cartridges. Benefits Premium quality low modulus neutral cure silicone, suitable for a wide range of construction applications Excellent adhesion to virtually all substrates, including glass, metals, plastics, wood and most painted surfaces Outstanding flexibility at +/- 25% movement capability, ideal for expansion joints Low dirt pick-up, making it particularly suitable for PVCu work Excellent external weathering properties for long-lasting, durable seals Suitable for use on polycarbonate Available in 7 colours - Buff, Black, Brown, Grey, Oak, Translucent and White Good to know Ensure surfaces are clean, dry and free from dust, grease and contaminants before application Wipe PVCu surfaces with PVC Solvent Cleaner, glass with Glass Cleaner, and painted surfaces with white spirit for improved adhesion Priming is generally not required, but always test a small area first, use Silicone Primer NP2 for non-porous surfaces or Silicone Primer P1 for porous surfaces if needed Joint width should be between 6mm and 50mm; depth should not exceed 50% of the joint width Skin time is 5–25 minutes, tool the sealant promptly after application Store in original unopened containers between 5°C and 25°C; shelf life is 18 months (12 months for white)
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