Over time and following attack from the elements, the joints between patio slabs can get worn away and damaged. Broken mortar joints can look unsightly, encourage weed growth, and become trip and fall hazards. Claire Arnold from U-CAN, part of Tarmac’s building products team, tells us how to repoint between slabs in five easy-to-follow steps.
1. Chip away the old mortar with a hammer and chisel.
2. Clear any loose mortar; ensure surface is free from grease and paint.
3. Mix the mortar. Once the mortar is damp enough to roll into a ball, you’re ready to go.
4. Using a trowel and jointing tool, push the mortar into the joint.
5. Fill the vertical and then the horizontal joints. Smooth off the joints and leave it to dry.