Description
EVERBUILD® Lead Mate Sealant is a low modulus, neutral cure Sealant designed to provide outstanding adhesion to soft metals such as lead, brass, copper, and zinc. Specially formulated as a modern alternative to traditional mortaring, it makes fixing lead flashing and sheet into brick, stone, and concrete faster, easier, and longer-lasting.
Uses:
- Alternative to mortaring in lead flashing and sheet into brick, stone, and concrete
- Suitable for use as an expansion joint sealant
- Weather sealing and joint sealing to pre-formed panels
- Sealing soft metals, including lead, copper, brass, and zinc
- Parapet and roof weather sealing applications
Key Characteristics & Advantages:
- Excellent adhesion to soft metals without staining or corrosion (unlike conventional sealants)
- Low dirt pick-up for a clean finish
- High flexibility of ±25% for movement joints
- Withstands both low and extreme high temperatures (up to +150°C)
- Very low shrinkage (<5%) during vulcanisation
- High resistance to plasticizer migration – can be painted over with water-based and solvent-based paints
- Excellent durability and external weathering performance
- Certified to EN15651 for façade, interior, exterior, and cold climate applications in compliance with the Construction Product Regulation
Why Choose Lead Mate Sealant?
This grey lead sealant is trusted by roofers, builders, and DIY users as a reliable solution for fixing and sealing lead flashing, expansion joints, and other weather-sensitive applications. With excellent flexibility, weather resistance, and compatibility with metals, it ensures a long-lasting seal that won’t crack, corrode, or fail over time.
