Painted metal roof – owner had forgotten what the original color looked like. This was a simple cleaing job – no “restoration” required.
…
We can show dramatic results on asphalt roofs by following manufactures cleaning guidelines. However, it is not a quick process. We typically treat with the cleaning solution and allow the rain to rinse the roof. We do this for two reasons. 1) The cleaning solution works over time, and 2) rain is safer to the roof that high volume (but low pressure) from our equipment.