Permaflex^®  is a highly advanced premium, third generation lead alternative, which provides superior weather proofing and  delivers an effective solution to lead replacement.

The product has been designed in accordance with BS 5534:2014+A2:2018 code of practice for slating and tiling, BS 8104:1992 code of practice for assessing exposure of walls to wind driven rain and can be safely installed in the highest severe exposure area detailed by NHBC Standard 6.1.6 2023.

Permaflex^® has been independently tested to BS EN 13501-1:2018 Fire classification of construction products and building elements.

Shortlisted for “Most Innovative Product” at the Pitched Roofing Awards 2025.

Benefits

• Minimum 20 years Life expectancy
• Self sealing on overlaps
• Fully adhesive Butyl backing
• Elongation: 40% lengthways and 15% widthways
• Ideal for dressing into deep profile tiles
• Suitable for all types of pitched roof products
• Fire classification: BS EN 13501-1:2018 Fire classification of construction products and building elements

NB

• Surfaces need to be clean, dry and dust free
• Does not adhere to bituminous surfaces