Cleaning Moss Off Roof

Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.

Cleaning moss off roof.

Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection. The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water. Apply w ith a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water. Experts recommend that you save roof moss removal for a cloudy day.

Apply cleaning solution only after the roof and moss are thoroughly wet. Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning. If you re going to use one of these solutions to remove moss climb down from the roof and cover any landscaping that s in the line of fire with a plastic tarp. For deep stains let the roof dry then reapply the cleaning solution and rinse it off again after no more than 30 minutes.

Before you clean moss off a roof you ll need to consider how you want to kill the plants and remove the dead layers of moss. Hose off and brush all moss loose from your roof shingles. After cleaning you ll also need to put some defensive measures into play to prevent roof moss from growing back. There are many ways to remove moss that tends to grow in shaded areas.