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  • EPDM Flat Roofing Systems for the Trade & DIY
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  • Cheaper - Leadax is cheaper to buy than traditional lead, and because Leadax is also faster to process, this leads to lower processing costs.

  • A non-toxic and sustainable product - Unlike traditional water-resistant materials, Leadax does not contain any heavy metals.

  • Lightweight - Leadax is lighter than lead and as a result, easier to use.

  • Longer roll lengths - Leadax is available in longer strips, allowing you to seal larger areas with less overlap and ultimately saving you materials and time.

  • Certified - Leadax is the first and only lead substitute in the world that has been certified by KIWA, setting the standard for lead alternative.

£40.50 Excl. VAT £48.60 Incl. VAT
£40.50 £48.60

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Compatible with ClassicBond

The ClassicBond One Piece EPDM system is great for large or small flat roof areas and is normally bonded on to a timber deck in one piece so no joins! Find out more

Compatible with Resitrix

The RESITRIX Reinforced Self-Adhesive system is perfect for complicated flat roofs, gutter linings, parapet walls and awkward shapes. Also the right choice for overlaying most existing roofing coverings. Find out more

Compatible with DuoPly

DuoPly Fleece Reinforced EPDM is a high performance, reduced shrinkage system, ideal for large overlay roofs where with rapid installation times. Find out more

Compatible with SHEDCOVER

The SHEDCOVER system is the most cost effective system, perfect for simple once piece roofs such as sheds and out buildings. Find out more

Compatible with Elastathane25

Elastathane 25 is a polyurethane liquid system, ideal for complicated roofs where a membrane may not be an option. No nonsense straight out of the tin. This system can be laid onto many existing surfaces with a 25 Year Life Expectancy. Find out more

Availability: In stock



Cromar Leadax is the first lead alternative in the world with the same properties as traditional lead and is not harmful to health or the environment. A new generation of lead alternative which is not only easier to use, but is also easier on your pocket.

The Cromar Leadax is available in 6m rolls, lead grey in colour and the following width sizes:

  • 150 mm
  • 200 mm
  • 250 mm
  • 300 mm
  • 400 mm
  • 450 mm
  • 600 mm
  • 1000 mm

Independent tests have shown that Cromar Leadax has the same waterproof properties as traditional lead and can be processed by hand. Even in the most extreme weather conditions. It is available in a wide range of widths, which means that it is quick to process. Leadax also leaves no marks on roof tiles and is guaranteed to last for 25 years.

Additional Information

SKU LA-Leadax
Weight (kg) 5.0000
Brand Name Cromar
Roofing System Classic Bond, Resitrix, DuoPly, Shed Cover, ClassicLiquid
Delivery Lead Time 1 Working Day