Special clay bricks for brickwork renovation of late medieval Cathedral

For restoration of historic brickwork are produced new special bricks for cornice part and for replacement bricks replicas in custom size, according to the originals. By renovation is all facade chemical cleaned. Not sand blasting but chemical cleaning is recommended for all historic brickwork. All joints was removed. New joints are made from lime mortar. New produced brick replicas are frost proof. Cleaned and restored brickwork don’t need any impregnation.