Colour Coded Sealant – 300ml

Seal joints cleanly with high-performance silicone that perfectly matches your aluminium system colours.

The Colour Coded Sealant – 300ml is a high-performance, low modulus silicone designed to deliver weatherproof, long-lasting seals across a wide range of aluminium systems. Formulated for flexible bonding and discreet finishes, it's ideal for sealing brackets, joiners, and components in rainwater goods, coping, fascia, or soffit installations. Available in a variety of colours for accurate colour matching, this sealant ensures your projects stay protected and visually seamless. If no colour is specified, a clear version will be sent by default.

£20.39

excluding shipping cost excl. VAT £16.99

In stock

Features + Benefits

Colour matched sealant for aluminium building systems
300ml tube seals approx. 10 brackets or joiners
High performance low modulus silicone
Flexible, long-lasting, and weatherproof bond
Ideal for coping joints, bracket seals, soffits, and trims
Can be used in vertical or horizontal applications
Clear sealant sent if no colour is specified
Compatible with powder-coated finishes
Clean finish with no external visibility once applied
Made for professional installations in all environments

Specs & Options

Type: Low modulus silicone sealant
Volume: 300ml
Colour Options: Full RAL range available (default: clear)
Coverage: Approx. 10 bracket/joint seals per tube
Use: Aluminium joints, coping, rainwater goods, trims
Finish: Smooth, non-shrinking
Tooling Time: Within 5–10 minutes
Cure Time: 24 hours (varies by temperature)
Storage: Cool, dry place – shelf life 12 months

Installation / Usage Instructions

Ensure surfaces are clean and dry. Apply a consistent bead to the area using a caulking gun. Press components into place and allow to cure for 24 hours. Wipe excess immediately. Use tape for cleaner lines if needed.

Need a reliable seal that blends in with your metal system?

This colour coded silicone sealant keeps joints watertight and visually clean. Order now or contact the Online Metal Store team for colour matching support.