As summer settles in, many Red Deer homeowners may step outside to admire blue skies—only to notice something green growing where it shouldn’t be. Algae and moss   are two of the most common post-winter roofing surprises. And while they may seem harmless, these unwelcome guests can shorten your roof’s lifespan and invite costly repairs. At Alberta Roof Experts, we know the damage these growths can cause and why roof cleaning in Red Deer is more than just a cosmetic concern.