STEP 6: Address any stains, moss, or algae that remain. In some cases, you may need to clean roof shingles by hand to remove ...

Spencer Claeys: My name is Spencer Claeys, and I specialize in deep cleaning and removing layers of moss ... time growing in between asphalt-shingle roofs. The moss can really get up in there ...

Even if you need to remove moss from your roof while cleaning it, these methods risk damaging the shingles ... for moss (as well as lichen and algae). Read the original article on House Digest.

The reality is that dirt, algae, moss, and debris can accumulate ... but also prevents long-term issues such as water damage, shingle deterioration, and mold growth. Failing to keep a roof clean can ...

DIY removal can be dangerous due ... will evaluate the extent of moss and algae growth. They will check for roof damage, including lifted shingles, leaks, degranulation, and clogged gutters.