Sika Everbuild Tecnic Silicone 825 Low Modulus Alkoxy Sealant 380ml Anthracite

Summary

The Sika Everbuild Tecnic Silicone 825 is a premium low modulus, neutral cure, alkoxy silicone sealant formulated for professional building and construction joint applications. Supplied in a 380ml cartridge in Anthracite, it is suited to trade use on facades, window and door perimeters, and expansion joints. Its virtually odourless formula bonds to both porous and non-porous substrates without priming, delivering a durable, weatherproof seal.

Features

• Low modulus, neutral cure alkoxy silicone formulation provides excellent flexibility under movement.
• Specially formulated with extended tool downtime, allowing professional finishing on longer joints.
• Slow skinning properties make it ideal for large-scale construction and glazing applications.
• Adheres to a wide range of surfaces including glass, metals, plastics, wood (painted or unpainted), uPVC, and polycarbonate, without the need for a primer.
• Low odour, non-staining formula suitable for use with sensitive materials including natural stone and architectural finishes.
• Excellent long-term external weathering performance across many years of exposure.
• Suitable for perimeter pointing of PVCu, timber, and powder-coated aluminium frames, internally and externally.
• Conforms to ISO 11600 classification F25LM and G25LM.

Specifications

• Brand: Sika Everbuild
• Product Range: Tecnic Silicone 825 / Sikasil 825
• Colour: Anthracite
• Volume: 380ml
• Cure Type: Neutral cure (alkoxy)
• Modulus: Low modulus
• ISO Classification: ISO 11600 F25LM and G25LM
• Shelf Life: 12 months from date of manufacture
• Suitable Substrates: Glass, metals, plastics, uPVC, polycarbonate, wood, brick, stone, concrete, composite panels

What's Included

• 1 x Sika Everbuild Tecnic Silicone 825 Sealant Cartridge - 380ml, Anthracite