How To Clean Moss Off Slate Roof

Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.

How to clean moss off slate roof.

With more severe environmental staining from tree sap and or pollution you may need a pressure washer 3800psi. We ve heard that a 24 ft extension pole and a 12 5 inch wall washer can work well when attached to a pressure washer. In the seams use the sharp edge of the scraper like a dental pick to force out the moss. Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.

Set up a ladder so you can access the roof. Clean slate roofs in hot weather so they dry fast or at least on a clear day with plenty of sunlight. There are many ways to remove moss that tends to grow in shaded areas. Take hold of the soft bristle brush and scrub away any remaining moss.

Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye. Hose off and brush all moss loose from your roof shingles. A vinyl leaf rake can clean harder to reach spots. Point the hose towards the top of the roof and rinse off the moss killing solution along with the dead moss.

Use heavy rubber gloves to scoop up material in areas you can safely reach. Run a hose fitted with a spray nozzle up to the roof. If you have moss mold or rust spots that are reachable gently scrub them with a medium stiff brush and a solution of 1 4 cup general household cleaner to one gallon of water. With moss and algae type growth a soft brush a hose sprayer and a lot of elbow grease will get it off.

Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.