I have a driveway stone Bavarian. In some places, the joints are very degraded. How can we take them back without breaking everything? Cement; Glue or others?
Dig joints between slabs to remove a maximum. Clean and dust these areas. Then the simplest solution is to apply a polymer seal (type ND TECHNISEAL). Available in several shades, it is dry and hardens after watering, it is weatherproof and freezing in all circumstances, making it an ideal product in the field. You can also use the sealant SEALING SOIL AND TERRACE from DIP WATERPROOF which is installed with the cartridge gun, in each joint.
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