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Trass natural stone grout TEGAfix 420
Hydraulically hardening trass joint mortar CG 1 according to DIN EN 13888
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Variants
- Classified as screed CG1 in accordance with DIN EN 13888
- Waterproof
- Allows vapour diffusion
- Can be whitewashed
- Sets hydraulically
- Hardens without cracking
- Excellent application properties
- Non-flammable
- Prevents discolouration
- In accordance with DIN EN 13501-1 fire rating A1fl/A1
- The joint mortar contains Portland cement and turns strongly alkaline when it comes into contact with water and moisture.
- Please observe the hazardous substance label and the latest version of the safety datasheet
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 with deliberate intent. We guarantee the consistent quality of our products. We reserve the right to make technical changes and further develop products. Please observe the technical data sheet!
For grouting floor coverings made of the following laid in a polygonal manner
- Rough-split natural stone slabs
- Ceramic slabs
Grouting indoors and outdoors
Floor grouting
- In a clean container, mix Würth dry mortar with clean, cold tap water for approx. 3 minutes until there are no lumps
- It is recommended to use a 600 rpm stirrer with a spiral or double disc stirrer
- After approx. 3 minutes cure time, stir again briefly and then apply
- Mix only as much joint mortar as can be used within the working time
- Apply the fresh mortar deep into the joint and across the whole surface using a rubber squeegee, rubber grout float, foam rubber grout board or grouting machine
- If necessary, re-apply after a short period
- Then remove any excess material diagonally
- After the joint mortar has hardened (fingertip test), pre-wash the surface
- Then use the sponge float to clean the surface thoroughly.
- Clean and thoroughly squeeze out the sponge float frequently to minimise water application
- No water film can be left to stand on the fresh joint and puddles must be avoided
- Remove residual streaks after approx. 1-1.5 hours using a damp cloth
- Always work diagonally across the joint so as not to wash the joint out
- Only use clean water to clean the joint, replacing the water several times if necessary
- Do not process fresh joints with a dry cloth or sponge
- Movement joints and edge joints must be kept clear of joint material
- Do not stir additional water into mortar that is firming up
Caution!
Prepare a test surface to assess grouting performance on porous slabs, e.g. micropores on ground surfaces, on untreated or sensitive surfaces such as coatings or on any unknown or new surfaces.
Select RAL-colour code
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