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EXCEL AquaFlex – Roof Coating Product

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Premium Acrylic Waterproofing Coating


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Products Specification

EXCEL AquaFlex is a one-component high-build acrylic polymer-based elastomeric roof coating. The dry film possesses superior physical properties. The dry membrane is watertight, seamless, durable, tough, highly flexible, and weather resistant. EXCEL AquaFlex utilizes the latest in acrylic polymerization technology to perform UV-resistant membrane with excellent durability even in harsh/hot Middle East climatic conditions.


  • One-component ready to use, lightweight compared to the conventional roof system
  • Formulated to withstand harsh Middle East climate and tropical climate
  • Non-flammable and non-hazardous Highly elastic and UV resistant
  • High crack building capability

Technical Specification

Appearance                             Thixotropic coating
Touch dry 30 mins to 1 hour
Full cure                                               7 days
Specific Gravity                                   1.2
Solids content (ASTM D2369)           65 – 70%  
Tensile strength (ASTM D412)          1.00-1.50 N/mm2
Elongation      (ASTM D412)              up to 300%
Crack Bridge ability (ASTM C836)  up to3.00mm
Tear resistance (ASTM D624)           10 – 12 kN/m
Shore A Hardness (ASTM D4541)   30 – 60
Service temperature                            0°C – 90°C


Stir well before use. Do not apply if rain is expected within 24 hours. Apply the material using a brush or roller. A second coat is applied at the right angle after the first coat is dry. It is recommended to apply 2 coats of EXCEL AquaFlex to get a dry film thickness of 1mm. Multiple coats can be applied to achieve higher thickness. Do not apply greater than 500μm in a single application. Embed glass fiber mesh around all corner joints, fillets, pipe penetration, pipes, over cracks, drains, and where substantial movement is anticipated, lay fiberglass mesh in the wet first coat before the application of subsequent coats.

Surface Preparation

Surfaces must be dry and free from oil, dust, dirt, grease, and loose materials. The substrate should be firm, in case of gaps and cracks fill with suitable polysulphide sealant and ensure the surface is level. Excel AquaFlex is a self-priming roof coating. An additional primer is not required. Curing It requires 24 hours to dry in between 2 coats and 48 hours of curing is adequate for foot traffic. Low temperature and high humidity will slow down the curing process. 7 days are required for a full cure. In case of expected rains, do not apply EXCEL AquaFlex. Ensure curing is complete before laying thermal insulation board mechanical protection and other coverings.


The cured membrane could be damaged by sharp objects and should be protected against damage and site abuse by other trades. Terminates the edge of the roof coating securely to avoid peeling off. Protect the coating with cement screed in heavy traffic areas. This should be done after 48 hours of curing. HEALTH AND SAFETY Eyes should be protected from splashes by wearing goggles. In the event of contact with your eyes irrigate immediately with clean water and seek medical attention. Skin contact should be avoided by wearing protective gloves and outer clothing. The product may be removed from the skin when wet by water and soap, and when dry by using a proprietary hand cleaner. If ingested, seek medical attention immediately.


AquaFlex is non-flammable and non-hazardous in normal use. Whilst the information and/or specifications given are, to the best of our knowledge, true and accurate, no warranty is given or implied in connection with any recommendations or suggestions made by us, our representatives, agents, or distributors as the conditions of use and labor involved are beyond our control.

If it is proven that the product does not perform as described in our TDS, EXCEL COATINGS’s liability extends solely to the free replacement of the product, once the claim has been accepted after due investigation by EXCEL COATINGS will not entertain any claims involving any form of consequential costs or damages such as shipping costs, customs duties, damages to third parties, damages to structures, penalties from the delay of a project, or any other form of consequential damage.

Specification: EXCEL AquaFlex – Roof Coating Product


10 Ltr, 20 Ltr

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