Metal, composite shingle, asphalt, cedar shake, tile, etc.
Moss, algae, mold, mildew or any growth on the roof would be gently washed for removal whereas loose debris such as leaves, branches, needles would be air blown only for removal.
1 story, split level, 2 stories, 3 stories +, mid-rise, high rise, etc.
Flat, low slope, medium slope, high slope
Stone, ceramic, porcelain, etc.
Oak, maple, prefinished, laminate, etc.