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Acrypol Tech Seal waterproofing systems

Acrypol Tech Seal in useAcrypol Tech Seal is the latest liquid PU membrane product to be added to the Acrypol liquid waterproofing range. Tech Seal is designed for use on flat roofs, green roofs, balconies and gutters. The entire range is BBA certified and comes with a 20-year guarantee when installed on flat roofs, balconies, gutters and green roofs.


Suitable for both new construction and refurbishment projects, Tech Seal offers seamless waterproofing protection. Tech Seal is a cold-applied system that can be used on both flat roof overlay systems and traditional built-up roofing.

Fast curing

Tech Seal is rain-proof within two hours and fully cured within four hours. This single component, two-coat system requires no mixing. Simply apply with a roller, brush or airless spray system for easy installation. Once it has fully cured, it creates a strong and durable waterproof membrane.

Applications of Acrypol Tech Seal

You can apply Tech Seal to a variety of surfaces, including bitumen, asphalt, dry concrete and PVC.  You do not need any specialist equipment to install the system. Tech Seal is also suitable to apply over insulation. Acrypol Tech Seal PU liquid waterproof membrane is available in a 5kg tin, 10kg tub or 25kg drum. You may need to use a primer, however this depends on the type of application.

Use Acrypol FG mesh reinforcement scrim in conjunction with Acrypol Tech Seal PU liquid membrane for a tough, waterproof membrane. You may need to reinforce certain areas in particular, such as roof outlets and detailing upstands.

Acrypol Tech Seal in action

If you have any questions regarding the products or application, contact our helpful customer service team on 07152 692 760 or email Alternatively, use the live chat function located in the bottom right-hand corner of our website.


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