What Is Masonry Repair
The strongest and most durable construction material for a long time has been the brick. In fact, there are so many buildings made of bricks that you can see standing up to today. But you need to take note that masonry also has its weakness. That is why it is important for you to call a professional right away after you will discover some great moisture damage and crumbling bricks. But if you will discover that the mortar joints are decaying, then you really need to do something about it. This article will help you learn how you can replace a bad mortar joint so that you the structural integrity of your brick work will be prolonged and preserved.
First, you should use some tools. You should have power tools like a rotary hammer drill that has a flat chisel head bit and an angle grinder with a diamond blade of 4 to 4.5 inches. You should also make use of a tuck pointer and a trowel, and a flat blade that will pressure the new mortar to the joints. It is also important to have a joint raker or some other similar tool for the shaping and smoothing of the wet paste in order to complete the repair. A bag of mortar and a bucket is also needed for this.
Knowing how bad the problem is important for a successful masonry repair. You will know the extent of the problem by using a house key and scratch it on the joints in the middle of the brick. Take note that solid mortal will not crumble so it needs to be replaced if it will come out in chunks. Once all of these information are gathered, an angle grinder will be used to make a horizontal cut below and above each of the joints. Once the bad sections will be removed, a hammer drill should be used to work through the grooves and chisel them out. In cleaning out the new grooves, a stiff paintbrush is highly suggested.
A new batch of mortar is needed once the bad mortar will be removed. The bag of mortar should be mixed with water based on the instructions and the final consistency must be similar to a thick peanut butter. A glob of paste will be placed on top of the trowel and the trowel will be placed inside the empty groove. The tuck pointer will be used to tightly pack the fresh mortar between the bricks. It is also important to make sure that the paste will not harden once the grooves are filled in with the new mortar. A new masoned joint usually is ready to strike after thirty minutes of application. That is why it is important for you to always ask for help from a professional when doing a masonry repair.