How To Clean Moss Off Shingles On Roof

It s best to clean moss off a roof as soon as you notice it s growing there.

How to clean moss off shingles on roof.

Apply the vinegar to the moss and lichens on the roof with the spray bottle. 3 secure the strip with roofing nails. Since bleach and some cleaners can be harmful to plants and humans it s a good idea to take. That ll prevent the cleaner from drying out too quickly.

Then spray the cleaner onto the shingles photo 1. Laundry strength bleach is sufficient or you can opt for any of a number of proprietary roof cleaners some of which don t contain bleach lye or other potentially harmful chemicals. In this video this old house general contractor tom silva explains how to remove roof moss and prevent it from coming back. Get off the roof and apply the vinegar to the moss and lichens around the edge.

Before applying a moss remover cleaner use a scrub brush 3 15 the home depot or a long handled soft bristle brush to gently scrape or pluck moss from the roof shingles or tiles. Apply liquid cleaners with a hand pump sprayer or with a pressure washer on the lowest setting so as not to cause any damage to the shingles. After 15 to 20 minutes rinse the solution off with a sprayer that has enough force to dislodge algae and moss without damaging the shingles. To learn how to prevent moss and algae from getting on your shingles keep reading.

Run your gloved hand over the shingles to check for any slimy mold remaining after you re finished rinsing. Next rinse the shingles thoroughly with a garden hose at low pressure. Before applying the cleaner spray the roof with water to cool it down. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done.

For deep stains let the roof dry then reapply the cleaning solution and rinse it off again after no more than 30 minutes. Wait about 20 minutes then rinse. 1 slide a margin trowel under shingles to unstick them from the ones below. Then use a long handled soft bristle scrub brush to remove the moss from the roof scrubbing from the top down to avoid lifting.

Work on one small section at a time which allows you better control of the brush and your scrubbing motions. If some remains apply the cleanser again wait 10 more minutes and repeat the rinse process. Start from the top shingle and rinse downward to prevent water seepage. Hose off the area with plain water spraying at a downward angle.

Both algae and moss can be easily removed from asphalt shingles with a 50 50 solution of chlorine bleach and water. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.