Problem roof? Time to put on the Overcoat

Overcoat is a high-performance flexible roofing system that provides quick and easy waterproof protection for virtually any roof surface including gutters joints and seams.

The system has been designed for ease of use and requires no fibreglass, no additives and in most cases no primers, once the deck has been cleaned, simply open the can and apply it to the roof with a standard roller.

The system creates a watertight, vapour-permeable membrane that can immediately withstand rainfall. Once cured, Overcoat provides long-term resistance to degradation from natural weathering (including extreme temperatures, rain and snow).

Unparalleled flexibility

Thermal expansion and contraction on a roof are due to temperature changes which can cause issues such as cracks, leaks, and other types of damage if the system cannot go with the flow. Engineered with our eFlex technology, Overcoat provides unparalleled flexibility over standard liquid-applied roofing systems.

Cures without the chemicals

Unlike traditional liquid roofing systems, Overcoat doesn’t require any activators or catalysts to work, instead, the system cures naturally with the atmosphere.

UV Resistant

The system has built-in inhibitors that withstand ultraviolet and solar degradation, providing protection and maintaining a high-quality finish.


Due to the product’s amazing flexibility and adhesion properties, Overcoat can quickly and easily refresh or waterproof an existing roof covering no matter the size or complexity. Follow the product’s Instagram page for the latest completed projects.

  • Dormers
  • Porches
  • Bays and conservatories
  • Extensions
  • Green roofs
  • Balconies
  • Garage roofs
  • Lead replacement
  • Gutters and valleys











* Requires surface primer


Coverage will be dependant on the condition of the original surface, these rates have been given as a guide.


Smooth surface

Approx. 1.2kg per square metre


Rough surface

Approx. 1.5kg per square metre

Curing times

Times will vary due to temperature and on-site conditions.


Touch dry


Full cure


The best guarantee is the one you’ll never have to use, but it’s nice to know that our Basecare cover will provide service and support when you need it most. Our protection plans offer up to 25 years of coverage for your Allbase products along with a free maintenance plan and unlimited support.

Once your project is completed simply visit our dedicated Basecare website and register for your guarantee. From here you can easily manage your cover, from making claims, requesting support and even transferring ownership.

Get up to 20 years of cover with Overcoat

Comprehensive Basecare cover for up to 20 Years is available with Overcoat depending on the project’s requirements and specifications.


Application guide

How to use Overcoat


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