Moss On Asphalt Shingle Roof

Written by roof doctor on november 28 2018 posted in roof blogs.

Moss on asphalt shingle roof. There are many ways to remove moss that tends to grow in shaded areas. Once moss has adhered to wood shingles the moss can be harder to remove than it is from the relatively smoother planes of composite or asphalt shingles. Wood s porous surface is prime real estate for moss growth. If you have an asphalt roof and want to keep it looking great and working well check out these facts you should know about moss growth and asphalt shingles.

A thick growth of moss works like a sponge keeping the roofing damp for long. Moss which is what shows in the pictures you sent is more worrisome because it can damage asphalt shingles. Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor. By holding moisture against the roof surface lichens but more so moss speed the wear of the asphalt shingle surface in freezing climates by increasing frost damage to the mineral granule.

Hose off and brush all moss loose from your roof shingles. Pressure washers can be very strong and certainly strong enough to break a shingle s adhesive and lift it up. Then when you re on the roof spray the cleaner on the asphalt shingles and let it sit for 20 minutes before removing it with water from your hose. Moss build up can lead to roof damage or shingle blow off if left unchecked.

What you should know about moss growth and asphalt shingles. However scrubbing is likely to damage the asphalt shingles and remove their granules. You may be tempted to scrub the moss off the shingles because moss grips shingles quite strongly. Algae and moss growth on roofs at a minimum is an unsightly nuisance.

Moss and lichens are more than a cosmetic issue on many kinds of roofing materials asphalt shingles roll roofing wood shingle roofs wood shake roofs. Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning. Keeping branches trimmed back from the roof and removing any debris that begins to accumulate should be part of a regular roof maintenance program.