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Topsealer
Component B Topsealer® WT 0.5kg
Component B Topsealer® WT 0.5 kg (0.439 L) is the water-based polyisocyanate hardener designed to complete the two-component Topsealer® WT system, providing a final protective layer over coatings such as microcement, decorative concrete, or natural stone.
€59,94
VAT included
ℹ️ Important notice: This product is part of a two-component system. One of them may be classified as dangerous goods. Available throughout the EU zone via land transport.
- Range
- Topsealer
- SKU
- TT02038
- Content
- 0.5 kg
Used together with
ℹ️ Important notice: this product is Component B of a two-component system. It cannot be used on its own: you also need Component A. Buy both components.
Component B Topsealer® WT 0.5 kg (0.439 L) is the water-based polyisocyanate hardener designed to complete the two-component Topsealer® WT system, offering a final protective layer over coatings such as microcement, decorative concrete, or natural stone. It provides a resistant, durable, and aesthetically appealing film, ideal for projects requiring high protection combined with a finish that preserves natural color and shine.
- Shake Component A before adding hardener B.
- Mix in a ratio of 5 kg of Component A to 0.5 kg of Component B (10:1 ratio), or equivalent by volume (5 L A + 0.439 L B).
- Stir carefully until the mixture is homogeneous, avoiding air entrapment.
- Apply in two thin coats with a microfiber or velour roller or with a spray gun, allowing 14 to 24 hours to dry between coats.
- Maintain a temperature of 10–30 °C and good ventilation during application and drying.
Performance
- Approximate yield: 0.15 L/m² in two coats; may vary depending on the porosity and texture of the substrate.
Technical specifications
- Component: B of WT system
- Mixing ratio: 10 parts A / 1 part B (weight or volume)
- Nature: aqueous polyisocyanate
- Format: 0.5 kg (0.439 L) container
- Compatibility: essential for the complete curing of the Topsealer® WT system
Storage conditions
Store the original container tightly closed in a dry and ventilated place, avoiding direct light. Ideal temperature between 10 °C and 30 °C. Shelf life of up to 12 months from production if stored correctly.
- Microcement manufacturers
- 17+ years of experience
- ISO 9001
- ISO 14001
Payment methods
100% secure, encrypted payment with any of the methods shown above.
Delivery times
| Spain | 3-5 working days |
|---|---|
| Europe | 5-10 working days |
| Rest of the world | 10-20 working days |
Orders placed before 11:00 (Spanish time) ship the same working day.
Approximate times; they may vary depending on the destination.
Shipping costs
Calculated automatically at checkout based on the destination and the weight of the order.
See shipping policy →
14 calendar days
to return from the day you receive your order
Unused product
and in perfect condition
Return shipping costs
paid by the customer, unless the product is defective or incorrect
How to return a product
- Fill in our returns and incidents form.
- Give your order number and the reason for the return.
- Send the product back unused and in perfect condition.
Frequently asked questions about Topsealer
What are Topsealer varnishes used for?
They are sealers that protect microcement, decorative concrete and other continuous coatings against wear, scratching, water and chemicals, enhancing their colour. Depending on the system, they are also suitable for wood, parquet or stone.
Which Topsealer system suits me?
All in One is one-component and the easiest to apply, designed for furniture, countertops or washbasins. The WT range (One Coat, Dragon, Natural Effect, Spray) are water-based two-component products; DSV and PRO+ SLOW are solvent-based. PRO+ FAST cures quickly in a single coat, and WT Pool is designed for submerged surfaces.
How are component A and component B mixed?
Each component A is mixed with the component B of its own system and in the indicated ratio, which varies by system (for example, 5:1 for WT One Coat or 2:1 for DSV). Stir at low speed until the mix is homogeneous and apply it within its pot life. All in One needs no mixing.
Can I use it outdoors or in swimming pools?
Yes: WT One Coat, WT Dragon, DSV, WT Spray and All in One matt are suitable for indoors and outdoors. All in One satin is recommended for dry interiors or decorative items. For swimming pools, fountains or ponds, use Topsealer WT Pool, designed for continuous immersion in water.
What finishes can I achieve?
There are matt, satin, gloss and super-matt versions, as well as the Natural Effect finish, with a subtle satin sheen. They are transparent, enhance the colour of the coating and do not yellow over time.
When can I use the surface after sealing it?
In most systems full curing is reached after 7 days; in the meantime, avoid water and harsh products. With WT Pool, do not fill the pool until 7 days after the last coat.
Where can I find the technical data sheet for Component B Topsealer® WT?
You can download the technical data sheet (PDF) with all the application details.
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