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Window and façade-tight
Sealing of connection and expansion joints indoors and outdoors.
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Variants
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- Virtually odourless.
- Good adhesion without primer on most surfaces, even damp surfaces.
- Can be painted over.
- Compatible with natural stone.
- Permanently elastic once cured.
- Non-corrosive, suitable for many alkaline and metallic surfaces.
- Free of isocyanates, solvents, phthalates, tin and silicone.
This product is classified according to EMICODE® (EC1 Plus). EMICODE® is an independent low-emission labelling system based on established test and limit values.
- It should be painted over within the first three days after sufficient skin formation. Subsequent application of paint may cause adhesion problems.
- Sufficient ventilation should be ensured during the curing phase.
- A higher coating thickness extends the curing time.
- Due to the large number of paint and glazing formulations, preliminary testing is required in order to rule out any interactions.
- Powdered surfaces can contain residues that have a negative effect on the curing of the sealing material. Clean these surfaces thoroughly before application, e.g. with Würth activating cleaner.
- Take care with sealant joints that have been fully painted over. These tend to develop cracks when movement occurs in the joint, as the applied paint is generally less elastic than the sealant and then causes cracks to form in the paint.
- Alkyd resin paints can cause drying problems.
- Risk of yellowing and structural changes cannot be ruled out when in contact with white alkyd resin paints and substances containing plasticiser, such as butyl, bitumen and VKP tapes.
- As a general rule, in line with DIN 52452 Part 4, sealants should not be painted over.
- In the case of particularly sensitive natural stone, such as Jura and Carrara marble, preliminary testing is required.
- Remove excess smoothing agent from surfaces.
- Not suitable for use in floor joints for traffic routes.
DIN EN 15651 - 1/4 Sealants for façade elements/pedestrian walkways
The usage instructions are recommendations based on the tests we have conducted and on our experience; carry out your own tests before each application. Due to the large number of applications and storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee the consistent quality of our products. We reserve the right to make technical changes and further develop products.
- For sealing indoor windows and façades in combination with painter's acrylic.
- For grouting natural stone such as granite and marble.
- For building construction joints, such as prefabricated concrete parts.
- Can be used in wood and metal construction.
- For heavily loaded joints in the roof area.
- The joint edges or adhesive surfaces must be solid, load-bearing, clean, dry and free from grease, dust, bitumen and tar.
- Pre-treat surfaces if necessary.
- Please refer to the application instructions in our sealant guidelines.
- For more information, please refer to the technical data sheet.
Select RAL-colour code
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