Your roof isn’t stained – it’s contaminated!

This kind of algae is transformed through the air and tens to land, gather and grow on roofs. The black or brown discoloration seen on a lot of roofs that is frequently mistaken for dirt or soot is in fact a type of algae called Gloeocapsa Magma.

Besides creating uninviting black streaks, these algae also feed on the limestone filler in your shingles causing harmful damage and deterioration to your roof.

Yes, pressure washing is safe for most exterior surfaces when performed by a professional. Our technicians at United Exterior Cleaning are trained to use the appropriate pressure and cleaning agents to protect your property and avoid damage.

Pressure washing uses high-pressure water spray to clean surfaces, while soft washing uses a low-pressure system and specialized cleaning agents to gently remove dirt, grime, and stains without causing damage. Soft washing is typically used for more delicate surfaces such as roofs and siding.

Roof Reastoration  4-5 years

House Wash               1-2 years

Gutter Cleaning        1-2 times per year

Brick and concrete  As Needed