Wait until the next day before filling the joints.
Repair hole in exterior brick wall.
Repair methods vary depending on the size and location of the hole.
If your plaster walls get cracks dents or holes consider repairing the plaster rather.
The consistency of this layer of plater patch should be like peanut butter.
Plaster was a popular material to cover walls with prior to the 1950s and was used over lathe and masonry.
The mix should stand without collapsing or slumping.
Mist the wall with water until the brick is thoroughly damp and starts to drip.
This is the rough in coat so the surface of the patch should be a bit below the surface of the wall and does not need to be sooth.
Then mound it up.
Some holes pass through the mortar joint while others penetrate through the brick itself.
Slowly add water until the mix is stiff enough to form a ball.
These have hundreds of tiny holes in the face to allow the brick to breath and stopping all rodents and all but the tiniest of insects to enter the walls.
This is a critical step because dry materials will suck the moisture out of the new mortar and prevent it from curing properly.
Video of the day.
Mix up enough mortar for 30 minutes use.
Apply your plaster patching compound to the hole.
Changing the location of the cable wire or pipe leaves a gaping hole through the brick wall where water dirt and debris enter the structure.