Repointing masonry is a process that is labor intensive and expensive. It is also something that needs to be done only about once every hundred years on any given building. It is important to repoint a building correctly using safe methods of mortar removal to prepare the wall and using the correct mortar mix to install back into the wall. This video will give you an idea about what mortar removal should look like. If you are looking to higher someone or looking to try and repoint yourself, I encourage you to first read Preservation Brief 2, watch some of these videos and learn the basics so that you do not pay a mason to damage your property and so that you can make the right decisions if you are taking on the job yourself. Good luck.