And grass near your home just to get it wet. Using the garden pump sprayer thoroughly wet the roof. This method will require that you walk on your roof.

Spray & Forget™ will remove green and black stains from roofs, decks, awnings, brick, and siding without requiring any rinsing. It is a superior quality, maintenance free, easy to use cleaner that will increase the longevity of your roof, the curb appeal of your home and potentially lower your electric bill.

Spray and Forget – WM Barr.

Spray and Forget Revolutionary Roof Cleaner Concentrate 1 Gallon SKU SFRCG01

• Water.
• Quaternary ammonium compounds,benzyl-C12-16-alkyld.
• Ethyl alcohol {Ethanol}
• Trade Secret Fragrance.
• Ethylenediamine tetraacetic acid, tetrasodium salt.
• Trade Secret Fragrance.

An environmentally safe solution for handling roof stains. In as few as 1-3 days, green stains can be eradicated! Somewhere in the range of 1-6 weeks, black stains will be diminished. When using Spray & Forget, rinsing is not part of the process!

And rinse the plants. Again there's no scrubbing or rinsing just allow wet and forget to work overtime with the wind. And the rain to gently clean the surface.

Alkyl dimethyl benzyl ammonium chloride Wet & Forget® Products The active ingredient is Alkyl dimethyl benzyl ammonium chloride, which is 9.9% of the product. This ingredient is also known as Benzalkonium chloride, and it is one of the active ingredients in Clorox wipes. The interesting thing is that Clorox wipes do not contain bleach.

works to remove mold on wood around the house exterior as well. Works great. I used it on our deck, railing and roofing which was badly mildewed and had green algae on it. It's only been a few hours since I sprayed it and it's already 50% better.

Spray and Forget is eco-friendly and does not contain bleach, acid, lye or phosphates. Use Spray and Forget and eliminate the need for damaging pressure washing or laborious rinsing!

Spray & Forget was developed to be safe for human and environmental exposure!

Just thoroughly wet the DRY surface with Wet & ForgetⓇ and then forget about it. The elements (wind and rain etc) will slowly wash off the stain. If the surface to be treated is not fully exposed to rainfall or is vertical, some assistance may be required to remove the stains.