High-quality lead alternatives for watertight connections. Lightweight, non-toxic and designed for construction today and tomorrow.
Recovered from laminated safety glass
No heavy metal
Less physical strain
Independently assessed solutions
For professionals who want to use familiar techniques while choosing a lighter, non-toxic material.
A different material choice changes the product and the way you work.
Long rolls and low weight help you work faster, with fewer overlaps and less material waste.
Leadax contains no toxic heavy metal and reduces physical strain during transport and installation.
From valleys to extensions: Leadax is used every day in new builds, renovation and prefabricated construction.
For a durable, watertight seal in valleys.
For connections to roof tiles and installation around details.
For connections at dormers, roof windows and cheeks.
For a watertight connection between walls and flat roofs.
Work quickly and accurately, following the current installation instructions, with the right Leadax tools and accessories.

For even adhesion and finishing

For quick, precise cutting

For securing Original in mortar joints

For sealing joints and edges
Feel the difference and discover which solution suits your next project.

EXPERIENCE FROM THE TRADE
“After more than three years of installing Leadax on customers’ properties, I have developed genuine confidence in what it offers. I have never been someone who endorses products lightly.”
Stuart Penrose
Domestic and heritage roofing specialist
Read Stuart’s story →
Leadax is distributed in England by Sika Limited. Contact Sika for product availability and purchasing enquiries.
Sika Limited — Head Office
Watchmead
Welwyn Garden City, Hertfordshire
AL7 1BQ, United Kingdom
Telephone: +44 (0)1707 394444
Email: enquiries@uk.sika.com