Underfloor Heating Film Mastic Tape Top Up Additional Replacement Items

Mastic insulation tape

Is a specialist sealing and insulating material designed for use with underfloor heating film lamp crimp terminal connectors. It provides a safe, durable, and moisture-resistant protective layer over electrical connection points, ensuring long-term reliability and compliance with installation best practices.

Why It’s Essential

When installing infrared or carbon film underfloor heating, terminal connectors must be properly sealed after crimping onto the copper busbars. Mastic insulation tape:

• Forms a tight waterproof seal

• Remains flexible after installation

• Adheres strongly to film surfaces and connectors

• Withstands temperature fluctuations from heating operation

 Typical Applications

• Electric underfloor heating film systems

• Infrared heating installations

• Floor heating repairs or retrofits

• DIY and professional heating installations

Key Benefits

• High electrical insulation performance

• Self-adhesive, easy to apply

• Durable and long-lasting

• Resistant to aging and cracking

We aim to dispatch same day via DHL next day delivery tracked. *If you have a Pre-order please allow 9-14 working days for you item to be delivered.
14 days return policy.