Sealant CX80 CX80 uszczelniacz kominkowy 310 ml black

CX80 uszczelniacz kominkowy 310 ml black is a black, high-temperature sealant supplied in a 310 ml cartridge. Formulated for use around fireplaces, stoves and flues, this product creates a heat-resistant, durable joint on ceramic, metal and masonry surfaces. The cartridge format is compatible with standard sealant guns, enabling controlled application for both professional installers and DIY users who need a long-lasting seal to reduce drafts and improve thermal performance of heating appliances.

Advantages

The sealant provides heat-resistant and flexible sealing that withstands the temperature variations typical of hearth surrounds and flue connections. Its paste-like consistency allows neat finishing and adhesion to a range of substrates including ceramic tiles, metal stove parts and masonry. Packaged in a 310 ml cartridge, it ensures precise application and reduced material waste. The black colour offers a discreet finish for darker hearths and stove installations.

Suitable for

• Sealing gaps between stoves, fireplaces and surrounding masonry
• Jointing around ceramic tiles and firebricks near heat sources
• Sealing flue junctions and stove pipe connections
• Repairing and maintaining metal stove parts and hearth surrounds

Key specifications

• Colour: black
• Pack size: 310 ml cartridge
• Form: paste suitable for cartridge application
• Temperature resistance: suitable for high-temperature sealing around heating appliances
• Compatible substrates: ceramic, metal, masonry
• Application method: standard sealant gun/cartridge applicator

How to use

Ensure all surfaces are clean, dry and free of loose material, dust or soot before application. Cut the cartridge nozzle to the desired bead size and fit into a compatible sealant gun. Apply the sealant evenly into the joint, maintaining steady pressure to avoid gaps. Smooth the bead with a suitable tool or a moistened finger within the product's skinning time for a neat finish. Allow the sealant to cure fully according to ambient conditions and the material's curing profile before exposing the joint to direct high heat.

Usage recommendations

For best results, use CX80 fireplace sealant on cool, clean surfaces and allow full cure before lighting the appliance. Avoid application on visibly wet or frost-covered substrates. When working in confined spaces, ensure adequate ventilation and follow safety guidelines for handling high-temperature sealants.