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Durathane Ultra Liquid System Waterproofing for flat roofs, gutters and pitched roofs

Available in 10, 15, 20, 25 and 30 year systems.

Durathane Ultra Liquid System provides a low-odour, high-solids solution for long-term waterproofing of flat roofs, gutters and pitched roofs.

With 90% solids it gives an excellent spread rate and provides flexible, durable, long-lasting protection for up to 30 years.

The cold liquid application creates a breathable, seamless finish which moves with the roof and allows vapour release from the existing substrate.


There are many reasons why it is beneficial to use Durathane Ultra. The main ones are:
  • Cold Liquid Applied – No Hot Works on Roof
  • Safe to Install – Unobtrusive Repairs
  • Easy to Apply and Detail
  • Can be Applied over most Roof Types
  • Low Odour
  • Single Pack Products
  • High Solids for Long Lasting Protection
  • Quickly Resistant to Rainfall
  • Permanently Elastomeric
  • Joint Free
  • Excellent Resistance to Ponded Water
  • Fibre Reinforced for Maximum Film Strength
  • UV Stable
  • East to Maintain – Excellent Through Life Costings

Technical Data

Spread rate: 0.8m² to 3m² per litre per coat, depending on surface porosity and profile
Pack size: 12.5 litre units

Drying Time

Touch dry time: 8 hours
Hard dry time: 24 hours
Minimum Overcoating time: 24 hours
Maximum Overcoating time: 7 Days
Product Enquiry
Durathane Ultra Liquid System