Sika Sikasil 825 Alcoxy Neutral Coloured Silicone Sealant 380ml

Sika Everbuild Sikasil 825 Alkoxy Neutral Low Odour Silicone Sealant 380ml - Box of 25

Trade Box of 25 - Trade Price - Money Saver Deal

Everbuild Tecnic 825 is in the process of being renamed to Sika Sikasil 825 Silicone Sealant 380ml

The Sika Everbuild Sikasil 825 Alcoxy Neutral Silicone Sealant – Box of 25 is a professional-grade, low-modulus silicone ideal for trade applications requiring long-lasting durability and performance. Specially formulated for perimeter sealing of external windows and doors, this neutral-curing sealant offers excellent adhesion to a wide variety of substrates, including PVCu, glass, aluminium, and composite materials—without the need for priming in most cases. Its flexible composition ensures it accommodates joint movement while resisting weathering, UV radiation, and ageing, making it ideal for commercial and industrial environments. Supplied in a trade box of 25 cartridges, it’s perfect for contractors, installers, and building professionals seeking consistent results, reliability on site, and cost-effective bulk purchasing, 825 is also suitable for wall expansion joints with the aid of a back rod to create a 2 sided correctly formed elastic joint that will accommodate the movement requirements.

Colour Options:

Anthracite, Beige, Black, Brown, Brick Red, Buff, Dark Grey, Limestone White, Magnolia, Mid Grey, Portland Stone, White. We also Have Dark Anthracite which is a closer match to ral 7016. Please note that Dark anthracite 7016 is only an approximate of the ral.

Sika Everbuild Sikasil 825 Silicone Sealant Main Points:

• Trade Priced Box of 25
• Construction and glazing Alkoxy Neutral Sealant Adheres To:
• Glass Metals Plastics Wood Paint UPVC Lead Copper Zinc Polycarbonate etc.
• Non Staining on most surfaces
• Excellent external weathering properties
• High viscosity non slump formula
• Suitable for wide joint applications
• Suitable as an expansion joint sealant.
• Low modulus,
• Neutral cure Silicone Sealant,
• Alkoxy,
• Virtually odourless
• Porous and non porous surfaces
• No need for priming.
• Excellent tooling and slow skinning

Sika Sikasil 825 Silicone Sealant Recommended Uses:

• Perimeter pointing internally and externally around PVCu wood and all other window frames.
• Sealing and as an adhesive onto PVCu, plastic trims and components.
• Sealing soft metals such as lead, copper and zinc.
• Weather sealing and joint sealing to pre-formed panels.
• General glazing sealing and draught proofing, including repair work over existing sealant.
• Glass to glass and glass to aluminium sealing.
• Parapet and roof weather sealing applications.
• Suitable as an expansion joint sealant.
• Multi Use frame and building sealant.

Sika Everbuild Sikasil 825 FAQs:

• What is Sikasil 825 Used for:
• Everbuild 825 is used for general sealant works pointing to door and window frames, and building expansion joints, and general weatherproofing to structures.
• What is the Shelf Life of Sikasil 825 Sealant:
• Everbuild 825 has a shelf life of 12 months from date of manufacturer.
• What is the Curing Time of Sika Sikasil 825 Sealant:
• Everbuild 825 has an approximate cure time of 24 to 48 hours however this can change depending on joint size and construction.

Please Note: Sikasil 825 is a trade product and only normally comes with a few nozzles not one for every tube as most get discarded on site.

More nozzles are available if required please see below