Description
Two-Part High Adhesion, Hard-Wearing Flexible Cementitious Coating
This high-performance, two-part cementitious coating is designed to provide long-lasting waterproofing and protection for concrete, masonry, and steel substrates. With BBA Agrément certification, this proven waterproofing solution offers exceptional flexibility, durability, and adhesion, making it suitable for a wide range of structural applications.
Key Benefits:
✅ BBA Agrément Certified – Independently tested for performance & reliability
✅ Pre-packaged materials – Easy on-site mixing for hassle-free application
✅ Elastomeric flexibility – Maintains movement accommodation even in immersed conditions
✅ Superior adhesion – Bonds to concrete, masonry & steel for a durable, secure application
✅ Low permeability matrix – Effectively resists water & carbon dioxide gas penetration
✅ High protective capability – A 2mm coat equals 135mm of concrete cover
✅ Can be applied on damp substrates – Suitable for use in temperatures as low as 5°C
✅ Water-based & non-toxic – Safe for use in potable water applications
✅ 50-year UV resistance – Ensures long-term durability
Typical Applications:
✔ Podium decks, flat roofs, terraces & balconies
✔ Water-retaining structures – Tanks, reservoirs & containment areas
✔ Earth-retaining walls – Positive & negative side waterproofing
✔ Internal concrete walls & slabs – Basements, car parks, plant rooms & lift pits
Technical Performance:
| Cured Performance | Result |
|---|---|
| Colour | Grey |
| Membrane Thickness (One or Two Coats) | 2.0mm |
| Adhesion to Concrete | ≥ 0.8 MPa |
| Tensile Strength – Ambient (28 Days) | 0.5 MPa |
| Tensile Strength – Immersed (28 Days) | 0.4 MPa |
| Elongation – Ambient | 120 – 130% |
| Elongation – Immersed | 70 – 80% |
| Loading Capability (28 Days) | 8 to 10 MPa |
| Hardness | 84.0 Shore A |
| Water Permeability Coefficient | 5.37 x 10⁻¹⁶ m/sec |
| Water Vapour Diffusion Resistance – Sd Value | 1.55m |
| Water Vapour Diffusion Resistance – µ Value | 775µ |
| Water Vapour Diffusion Resistance | 7.75 MNs/g |
| Water Resistance – Positive Side | 10.0 Bar |
| Water Resistance – Negative Side | 1.50 Bar |
| Reaction to Fire Classification – Euroclass | B – s1, d0 |
| UV Resistance | 50 Years |
| pH | 12 |
Downloads:
💪 Ensure long-lasting structural waterproofing with this advanced flexible cementitious coating – Order today!
Data Sheet
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Security

You may also be interested in
Recently viewed
What Our Customers Say
Very good 4.7/5
Exceptional Advice & Support
Hands down in all of my reviews I've done in 21+ years, Clever Shield Coatings is one I'll always remember as the staff are friendly & passionate about their job - looking out for the customer and getting the job done right first time.
Sunny
Verified customer
Fast, friendly and reliable…
Fast, friendly and reliable. I was able to get my job done quickly and my customer was happy with the prices.
Thanks.
Kamil
Verified customer
Exceptional Advice & Support
We have been using clever shield (dealing with Richard) for over 2 years. They always give good service deliveries on time and even give technical advise when needed.
JAC
Verified customer
Really helpful! great service
Spoke to technical for some advice on the product and it was really helpful, great service
Tina Mansfield
Verified customer
Great company / knowledgeable
What a great company - knowledge about the products, spent lots of time talking me through everything - if only every company was like this one !
Ostler Info
Verified customer
Great company and speedy delivery
Really great company to deal with,excellent customer service,speedy delivery will definitely recommend and use again as a satisfied customer
Del Upson
Verified customer
Great Technical Support
Great technical support and advice on wykamol products would highly recommend this company
Shirley
Verified customer
Highly Recommended
Sandra Dow
Verified customer





