Fill cracks with Montage 4in1
First of all it is important to know the origin of a crack to fix it properly. If cracks have different origins, in any case you need to treat them. They could get bigger and let the water seep in.
- Triangular scrapper
- Pattex 4in1
Step by step / how to do:
1. Open the crack with the triangular scrapper in order to insert Pattex 4in1.
2. Clean meticulously the crack with the paintbrush and a vacuum cleaner.
3. Apply Pattex 4in1 at the bottom of the crack, pushing forward so that it seeps deeply in the crack.
4. Smooth after the application.
Tipps & Trick
If this repairing is reliable and efficient on a short-term, it is not definitive though.