When reconstructing a brick building or with its emergency condition, it may be necessary to carry out a complete disassembly of the masonry. In such cases, for a start, it is required to install between the jumpers and sections of the window sills for the time of the rack, from such a material as wood or metal. If the width of the wall is more than one meter, then you need to install two or more racks. For new masonry, it is not recommended to use a brick that has a brand at least 100. The seams that are located horizontally reinforce, should not be thin.