Description
Eagle ULTRATOP WR – Two-Component Aliphatic Polyurethane Protective Coating
Eagle ULTRATOP WR is a two-component, aliphatic polyurethane resin designed as a protective topcoat for the ULTRAFLEX aromatic polyurethane waterproofing membrane. Once cured, it forms a flexible, continuous, high-gloss protective film with excellent adhesion and mechanical properties.
ULTRATOP WR is UV-resistant and specifically formulated for contact with chlorinated water, including permanently immersed conditions. It is suitable for protecting swimming pools, ponds, lakes, aquariums, canals and non-potable water tanks, as well as providing a hard-wearing surface finish for suitable industrial and commercial flooring applications.
Important – Two-Component Product
ULTRATOP WR is supplied as a two-component system. Both components must be mixed together in the correct proportions before application.
- Part A: 4kg
- Part B: 1kg
- Total mixed pack: 5kg
- Mixing ratio: 4 parts A to 1 part B by weight.
Do not attempt to use either component separately. Mix the components thoroughly until a uniform material is obtained, following the manufacturer's instructions.
Key Benefits
- UV resistant: Aliphatic polyurethane formulation designed to withstand exposure to sunlight and weathering.
- Suitable for immersion: Specifically formulated for contact with chlorinated water, including underwater applications.
- Flexible protective finish: Forms a continuous, flexible, glossy film once cured.
- Mechanical resistance: Provides resistance to abrasion and mechanical stress.
- Algae and mould resistance: Designed to resist algae and mould growth.
- Easy maintenance: Creates a smooth, cleanable protective finish.
- High-traffic applications: Suitable for specified pedestrian and vehicle traffic flooring applications.
- Multiple colour options: Available in selected colours and neutral versions for approved colour pigmentation.
Typical Applications
ULTRATOP WR is designed for use as a protective coating in aquatic, commercial and industrial environments.
- Swimming pools and pool linings.
- Ponds and lakes.
- Aquariums and suitable aquatic installations.
- Canals and water features.
- Non-potable water tanks and reservoirs.
- Industrial and commercial flooring.
- Car parks and traffic-bearing surfaces.
- Areas exposed to pedestrian and vehicle traffic.
- Protective topcoat over ULTRAFLEX aromatic polyurethane waterproofing membranes.
Application Guidance
Substrate Preparation
- Apply to a dry, firm and suitably prepared surface.
- When used as part of the ULTRAFLEX system, apply directly over the correctly installed and prepared ULTRAFLEX polyurethane membrane.
- Ensure the substrate is free from dust, grease, contaminants and loose material.
- Avoid moisture caused by capillary action or water migrating through the substrate.
- The surface temperature must be at least 3°C above the dew point.
- Ambient temperature must be at least +8°C.
- Relative humidity must be below 80%.
Mixing
- Combine Part A and Part B using the manufacturer's specified mixing ratio.
- Mix thoroughly with a suitable mechanical or rod stirrer until both components are completely blended.
- For neutral versions requiring pigmentation, mix the pigment with Part A before incorporating Part B.
- Do not introduce additional materials or solvents unless expressly permitted by the manufacturer.
Application
- Apply in thin, even coats using a suitable brush, roller or airless spray equipment.
- Avoid applying excessive thickness in a single coat.
- Observe the manufacturer's specified recoating window between coats.
- For aquatic applications, apply directly over the prepared ULTRAFLEX polyurethane membrane in accordance with the system instructions.
- Protect the coating from moisture and adverse conditions during application and curing.
Swimming Pools and Aquatic Applications
ULTRATOP WR is specifically formulated for contact with chlorinated water, including permanently immersed surfaces. It is suitable for coating swimming pools, ponds, lakes, aquariums, canals and other suitable aquatic structures.
For swimming pools and ponds, the manufacturer specifies that the structure must not be filled with water until at least 7 days after application of the final ULTRATOP WR coat.
The manufacturer's technical data also specifies a maximum admissible chlorine content of 0.5mg per litre of water. Follow the manufacturer's recommendations for water treatment, cleaning and maintenance.
Important: The published technical data advises contacting the manufacturer for applications involving tanks containing water for human consumption. Do not assume that ULTRATOP WR is approved for potable water contact.
Coverage and Application Rates
| Typical consumption | 150–200g/m² per coat |
| Approximate coverage per 5kg pack | Approximately 25m², subject to application rate and number of coats |
| Application method | Brush, roller or airless spray |
| Maximum thinning for spray application | 5%, where permitted by the manufacturer |
Actual coverage depends on the substrate, application method, surface profile and number of coats. The manufacturer's stated coverage is an indicative figure, not a guaranteed area for every installation.
Technical Information
| Product | ULTRATOP WR |
| Manufacturer | Eagle / ULTRAFLEX |
| Product type | Two-component aliphatic polyurethane resin |
| Components | Part A and Part B |
| Mixing ratio | 4kg Part A + 1kg Part B |
| Total pack size | 5kg |
| Density at 23°C | Approximately 1.20g/cm³ |
| Solids content | Approximately 63% |
| Consumption | 150–200g/m² per coat |
| Tack-free time at 23°C | Approximately 2–4 hours |
| Recoating interval at 23°C | 4–48 hours |
| Trafficable time at 23°C | Approximately 24 hours |
| Application temperature | +5°C to +35°C, subject to the manufacturer's ambient and substrate conditions |
| Minimum ambient temperature | +8°C |
| Maximum relative humidity | Below 80% |
| Minimum substrate temperature above dew point | 3°C |
| Adhesion to concrete at 23°C | Greater than 1.3MPa |
| Water immersion for pools and ponds | Wait at least 7 days after the final coat before filling |
| Maximum stated chlorine content | 0.5mg/litre |
Technical figures are taken from the manufacturer's published technical data sheet. Actual performance and curing times depend on temperature, humidity, substrate and application conditions.
Colours and Packaging
ULTRATOP WR is available in selected colours, with neutral versions available for approved pigmentation.
- Grey – RAL 7043 variant available through Clever Shield.
- Neutral – suitable for approved colour pigmentation.
- Other colours may be available to order, subject to manufacturer availability and minimum quantities.
- 5kg two-component kit, comprising 4kg Part A and 1kg Part B.
Always check the selected product variant and colour before ordering.
Frequently Asked Questions
1. What is ULTRATOP WR used for?
ULTRATOP WR is a two-component aliphatic polyurethane protective coating used primarily as a topcoat over ULTRAFLEX aromatic polyurethane waterproofing membranes. It is suitable for swimming pools, ponds, canals, non-potable water tanks and selected industrial and commercial flooring applications.
2. Can ULTRATOP WR be used underwater?
Yes. It has been specifically formulated for contact with chlorinated water, including permanently immersed conditions. For swimming pools and ponds, wait at least seven days after applying the final coat before filling with water.
3. Is ULTRATOP WR UV resistant?
Yes. Its aliphatic polyurethane formulation provides resistance to UV exposure and weathering, helping protect the underlying ULTRAFLEX membrane.
4. Is ULTRATOP WR a two-component product?
Yes. It is supplied as Part A and Part B. Both components must be mixed thoroughly in the correct proportions before application. The standard 5kg kit comprises 4kg Part A and 1kg Part B.
5. How much does a 5kg kit cover?
The manufacturer's stated consumption is approximately 150–200g/m² per coat. A 5kg kit has an indicative coverage of approximately 25m², depending on the application rate and number of coats.
6. How long does ULTRATOP WR take to become tack-free?
The manufacturer's technical data gives a tack-free time of approximately 2–4 hours at 23°C. The recoating interval is 4–48 hours under the same reference conditions.
7. Can ULTRATOP WR be used on its own?
ULTRATOP WR is primarily designed as a protective coating over ULTRAFLEX aromatic polyurethane waterproofing membranes. Suitability for other substrates or standalone applications should be confirmed with the manufacturer before use.
8. Can ULTRATOP WR be used in drinking-water tanks?
Do not assume potable-water suitability. The manufacturer's technical data specifically advises contacting its technical department for applications involving water tanks used for human consumption.
Buy ULTRATOP WR from Clever Shield
Clever Shield Coatings UK supplies Eagle and ULTRAFLEX waterproofing products throughout the UK. ULTRATOP WR is available for contractors and specialist installers requiring a durable polyurethane protective topcoat for aquatic installations, waterproofing membranes and suitable high-traffic surfaces.
For colour availability, technical information or pricing, contact our team on 01268 472358.
Clever Shield supplies products and does not design or specify waterproofing systems. Customers must check product suitability for their intended application and follow the latest manufacturer technical and safety documentation.
Technical Downloads
Consult the manufacturer's technical documentation before mixing or applying ULTRATOP WR.
ULTRAFLEX Application Video
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