Keeping a Slate Roof in Good Shape

https://wiki-view.win/index.php/Keeping_a_Slate_Roof_in_Good_Shape

A slate roof is built to last a century, but keeping it in good shape means checking for cracked or slipped tiles after a heavy storm and replacing them promptly. The real enemy is the metal flashing around chimneys and valleys, where rust can cause leaks if not sealed with a quality butyl tape every few years. Moss growth looks charming but traps moisture, so a gentle brush-off in autumn keeps the slate dry through winter. Never power wash or use metal tools that could scar the stone; a carefu…