Flowcrete Aqualock OneCoat

£255.00 exl. VAT

Per Unit


  • Adhesion: Exhibits excellent adhesion to concretes and screeds.
  • Reduces Project Timescale: Allows for early installation of floor finishes.
  • Full Package: Available with screed and floor finish for a single-source construction.

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Product description

Flowcrete Aqualock OneCoat is a 2-component, solvent free, epoxy based damp proof membrane.


Flowcrete Aqualock OneCoat is used in a single coat application when the substrate is damp and normal Flowcrete primers cannot be used. Aqualock OneCoat permits the installation of Flowcrete coatings on top of concrete substrates that have a relative humidity of up to 97% (tested in accordance with BS 8203). However, the surface must be dry; no moisture may be visible on the surface.

0.42 kg/m2 system for concrete substrates up to 92% RH (thickness approx. 250 microns) 0.5 kg/m2 system for concrete substrates up to 97% RH (thickness approx. 350 microns) Suitable with underfloor heating (suitable for heated concrete and sand cement screeds (provided the surface temperature does not exceed 27°C in accordance with BS 8203 and BS 5325).


Flowcrete Aqualock OneCoat can be used for resin rich coatings and primers e.g. Flowcoat SF41, Peran SL, Peran STC. For cementitious product and screeds, use two coats of Hydraseal DPM with a sand
scatter in the second layer (see technical information for Hydraseal DPM).

Environment & Health

Flowcrete Aqualock OneCoat is solvent and nonylphenol free and practically odourless during application. Follow the appropriate Occupational Health and Safety guidelines applicable to the location where the application is undertaken.

For more information, please refer to the safety datasheets for the individual components.

Ratio of components

3.4 parts of Flowcrete Aqualock OneCoat Base A are mixed with 1 part of Aqualock OneCoat Hardener B, by weight. Stir the Base A and Hardener B components before adding all of Hardener B to Base A. Mix with slow speed drill and helical spinner, taking care not to entrain air. Note. Mix for 4-5 minutes to obtain a consistent and uniform grey colour. Ensure all materials from the base and sides of the containers are mixed in thoroughly to ensure complete curing.


Flowcrete / Isocrete

Flowcrete has been at the forefront of resin flooring technology for over 30 years. Isocrete has been one of the most respected brands in floor screeding materials since the 1960s and was acquired by the Flowcrete Group in the 1990s. Today the group is one of the most respected flooring materials suppliers worldwide, with a huge range of screeds and coatings.
Isocrete Primer - acrylic emulsion

Technical Information