roof dust buildup 4

https://wiki-nest.win/index.php/Understanding_Phoenix_Dust_Storm_Damage:_Lessons_from_Two_Rare_Category_5_Haboobs

Over time, dust and debris can accumulate on your roof, forming a thick layer that traps moisture and promotes moss or algae growth. This buildup can clog gutters and downspouts, leading to water damage, and may even add extra weight to your roof structure. Regular cleaning helps prevent these issues and extends the life of your roofing materials.