Specially mechanically performed clay samples from the seams can be used as compensating gaps in the walls — cracks — cracks due to shrinkage of joints, soft heat -resistant gaskets between bricks instead of clay joints, for example, on the basis of fibers / waters / basalt, mullite or kaolin, The gaps between bricks / as a lining or lining / when hung on a load -bearing wall, for example, with the help of cellular frames, suspensions or stickers, gaps between circular freely based lining rings, grooves cut on a heated surface of a brick and t. p.