01
Roofing Material
Shingles, metal, slate, tile, wood, and membranes have different product and process limits.
02
Current Condition
Fragility, coatings, oxidation, damage, prior repairs, and natural weathering affect serviceability.
03
Type of Growth
Black algae, moss, lichen, mildew-like growth, dirt, and debris respond differently.
04
Result Deadline
A listing, HOA notice, or insurance concern may require faster visible improvement when the roof allows it.
05
Landscaping and Runoff
Mature plants, pools, ponds, drainage, siding, and hardscapes affect the protection plan.
06
Product Guidance
The exact treatment must match the product label, roof material, field procedures, and applicable manufacturer guidance.
07
Pricing and Follow-Up
Product cost, application planning, repeat treatment, communication, and follow-up can change the quote.