Concrete Block Mortar Joint Repair

Using a plugging chisel and sledge chip the cinder block into pieces.

Concrete block mortar joint repair. Place dry grout material in a clean container and gradually add clean water stirring until the mixture has the consistency of thick batter. We ll show you the proper tools and techniques to repair and restore cracked and worn away mortar joints to make them solid durable and good looking. Chip out the old cinder block and mortar. Mortar caulk is non structural so if your repair involves replacing portions of concrete block or if they are greater than 10 feet do not use caulk.

For pricing and availability. Repairing eroding and cracked mortar joints is called pointing repointing or tuckpointing. Scoop mortar onto the trowel. Concrete mortar repair.

For pricing and availability. For mortar joints up to 3 8 tall but not over 10 feet long use a mortar repair caulk. Proceed to the next step. Quikrete 20 lbs hydraulic water stop cement.

Fill small holes and repair any seriously deteriorated mortar joints. The recommended procedure is as follows. Remember it as two and two every two hours for two days then four and two every four hours for two days. Chip out the mortar then brush away any additional dust or debris before putting the new block in place.

Mortar joints deteriorate wherever water can soak them under windows and walls around chimneys behind downspouts at ground level and at any exposed wall top. Remove the block in chunks as you free each piece from the surrounding mortar. Pack the joint until it s flush with the front of the bricks. Once the new mortar is flush with the old cinder block spray it down with water.

Use a brick trowel and a tuck pointer to pack the mortar into the joints. Most homes today sit on foundations made up of poured concrete or concrete cinder blocks. Read and follow the caulk s label directions. Cover the brick faces with strips of masking tape as wide as the height of the brick.

This involves removing old and mixing new mortar as well as applying it to vertical joints. You ll want to apply layers to create a strong bond that hardens a of an inch at a time. However they can become damaged over time and you may need to repair the cinder block mortar joints. Hold the trowel next to the joint then press the mortar into the joint with the tuck pointer photo 7.

Using a grinder hammer chisel and depending on the mortar condition a small mortar trowel to remove unstable broken or chipped mortar. Use a brush or hand broom to remove any debris and dust from the joint area. You ll want to do this often. Mortar that is hand packed is more durable.