D.89W 1K PU waterproofing liquid plastic fiber-reinforced for exterior use
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Description
1K PU waterproofing in grey fiber-reinforced for exterior use - fast-curing, solvent-based, fiber-reinforced, 1K liquid polyurethane of the latest generation with integrated glass fiber reinforcement. For fleece-free detail waterproofing in outdoor areas. The "Humidity Activated Accellerator" technology enables a bubble-free, cold-processable and cold-curing polyurethane membrane.
The D.89W liquid plastic waterproofing and coating system is weather-, UV- and hydrolysis-resistant, thus ensuring permanent protection of the building fabric. The reinforced technology of polyurethane in combination with the new catalyst system now enables us to incorporate the moisture-reactive catalyst. This cross-links very quickly with the moisture of the environment even in thick layer thicknesses to form a bubble-free membrane.
Waterproofing for flat roofs and other surfaces on concrete, screed, reinforced concrete, steel, stainless steel, tiles, bitumen* and membrane repair (EPDM, PVC FPO / TPO) as well as waterproofing and detail waterproofing for balconies, terraces, in timber construction, for railing supports, etc.
Certified waterproofing system - ETAG 005 approval, W3.: Technical approvals for liquid-applied waterproofing. Meets the highest requirement level for service life.
+ bubble- and defect-free surfaces
+ rapid through-curing
+ weather- and UV-resistant
+ permanently load-resistant up to +90°C. 200°C shock temperature.
+ excellent mechanical properties due to high stretchability, tensile and tear strength
+ good chemical resistance
+ vapor-permeable membrane
+ for airless application, it can be thinned with LS-711 by 5-10%
Matching additional products
- BEKATEQ BK-637PU 1K PU primer for exterior use
- BEKATEQ BK-636PU 2K PU primer for bitumen or asphalt
- DICHTON D.88W 1K PU waterproofing for exterior use
- BE-79W short-pile paint roller
- BK-705 quartz sand for sprinkling
- LS-711 thinner
- BE-800 floor cleaner
Areas of application
- Flat roof waterproofing
- Basement and foundation waterproofing
- Insulation in roof, wall and basement areas
- Floor coatings for indoor and outdoor areas
- Waterproofing in sanitary areas (e.g. showers, etc.)
- Pool, drinking water and container coatings
- Crack injection
- Highly elastic joint sealants
- Stone resin flooring for indoor and outdoor areas
Detail waterproofing / waterproofing of complex components
- Wall and floor connections
- Pipe penetrations
- Skylights
- Connections
- Sleeves and corners
- Flashing frames
- Gutters
- Piping
Technical data
- Consumption: min. 1.5kg/sqm, for commercial use 2.6kg/sqm is recommended
- Application temperature +5 to +35°C
- Dew point: the temperature must be at least >3°C above the dew point
- Application: brush, squeegee, paint roller or airless application
- Drying time at 20-25°C: Tack-free after approx. 2-3 hrs / Recoatable after approx. 6-12 hrs.
Substrate: Substrates must be load-bearing, free from separating layers, cracks, loose parts, voids and burrs. Remove grease, wax, cement slurry and all other adhesion-reducing substrates. Grind the substrate using diamond grinding discs, sand or shot blast. Load-bearing bituminous substrates as well as membranes (EPDM, PVC, FPO / TPO) must be thoroughly cleaned with a high-pressure water jet beforehand. Afterwards, the substrates are treated with the BK-637PU 1K PU primer or the BK-636PU 2K PU primer for bituminous substrates.
Adhesion pull-off and compression strength >1.5N/mm²
Moisture in the substrate < 5%
Relative ambient humidity < 80%
Application: During application, wear appropriate protective clothing such as: safety goggles, disposable gloves, and if necessary, respiratory protection masks. For airless application, add 5-10% LS-711 thinner beforehand and mix it in using a dissolver. Apply the material evenly. Depending on the levelness and roughness of the substrate, at least 1.5kg/sqm is required. Apply approx. 2/3 of the quantity in the first coat. Apply the remainder wet-on-wet until it is glossy.
If you are working according to the European waterproofing standard, you need 2.6kg/sqm. Optionally, you can embed our system fleece bubble- and wrinkle-free. Overcoat the system fleece wet-on-wet with the remaining quantity until it is glossy. Matte surfaces indicate too low a layer thickness. If you wish to recoat the D.89W, this layer must be sanded with sandpaper.
Technical specifications
| Property | Value |
|---|---|
| Recoatable after | approx. 6-12 h |
| Consumption | 1.5 kg to 2.6 kg/m² |
| Application | Roller, brush, spraying |
| Certified waterproofing system | ETAG 005 approval, W3 |
| Properties | Bubble-free and defect-free surfaces, rapid curing, weather- and UV-resistant, +90 °C continuous load, 200 °C shock temperature, excellent mechanical properties thanks to high elongation, tensile and tear strength, good chemical resistance, vapour-permeable membrane |
| Substrate | Concrete, screed, reinforced concrete, steel, stainless steel, tiles, bitumen and sheet refurbishment, as well as waterproofing and detail waterproofing for balconies, terraces, timber construction, railing posts |
| Application temperature | +5 to +35 °C |
| Colour | Grey |
| Thinning / tool cleaning | LS-711 PU thinner |
| Area of use | Outdoors |
| Typical use | Flat roof waterproofing, cellar and foundation waterproofing, insulation in roof, wall and cellar areas, waterproofing in sanitary areas, coating of pools, drinking water tanks and containers, detail waterproofing such as connections, gutters and more |
Recommended Layering
Areas of application
Frequently Asked Questions
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