Professional Roof and Exterior Surface Cleaning


An Authorized Spray and Forget Provider,
Garrick Safely Cleans Mildew and Algae Stains
from Roof and Exterior Surfaces


Our cleaning solution is a revolutionary product that removes green and black algae, mildew, fungus and lichen stains from roofs, siding, decks, brick, concrete and other exterior surfaces.

What are those dirty black and green streaks?

Sign stained by
Gloeocapsa Magma

The black and green stains are commonly known as gloeocapsa magma, a type of algae.  Gloeocapsa magma thrives in humid, warm climates, indiscriminately forming on the north side of roofs, siding and walkways.

This algae, mildew, fungus and mold can greatly reduce the integrity of your roof over time, as well as drawing inordinate amounts of heat to the roof causing increased electricity bills. Sign cleaned with 
Spray and Forget

Our product is specifically designed to remove these unsightly stains and is extremely effective at removing various types of fungus, algae, and lichen from roofs, walkways, decks, siding, brick and concrete.

Spray and Forget is a well-tested, superior quality product that is safe, maintenance free, will not compromise landscaping and will increase the curb appeal of your home and the longevity of your roof!

Safe and effective

The EPA approved active ingredients are biodegradable, but strong enough to penetrate mold root structure.  No harmful pressure washing, rinsing or brushing is necessary.  Spray and Forget is safe on landscaping and contains no dangerous bleach, chlorine or sodium hydroxide.  Roofs have a two-year warranty and vertical surfaces have a one year warranty.

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roof repair in Houston, Dallas and Fort Worth