It begins with the history of fibrous plaster, and then explains forms of deterioration, current survey standards, methods of repair and finally, management of buildings with the material.
Mae’r canllawiau’n dechrau drwy drafod hanes plastr ffibrog, cyn egluro sut mae’n gallu dirywio, safonau arolygu presennol, dulliau atgyweirio, ac yn olaf, rheoli adeiladau sy’n cynnwys y deunydd.