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Once & Gone – A 20-minute exterior-surface cleaner.

//Once & Gone – A 20-minute exterior-surface cleaner.
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Once & Gone – A 20-minute exterior-surface cleaner.

$23.95 $18.95

Rated 4.50 out of 5 based on 2 customer ratings
(2 customer reviews)

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Need a roof or house cleaned now? As in minutes from now?  This is the product that will do it.  Once & Gone is a safe, but fast-acting cleaner that leaves your dingy, black roof looking brand new.  It cleans house siding (including stucco), decks, and just about anything else in the outdoors.

Other cleaners want you to spray & forget about it, but when you have company coming, forgetting about your dirty roof is the last thing you can do!

So, spray Once & Gone Exterior-Surface Cleaner onto the surface and let it do the work!  In 15-20 minutes, rinse away to reveal a bright, clean surface. Once & Gone removes black mold streaks from roofs, green algae, lichens, dirt, and grime.  We Guarantee It!

Sold in one gallon jug.  Larger sizes available on request.  Contact us at 888-776-2242.

Coverage: 500 square feet depending on surface type.

Product Description

Remove Mold, Mildew, Algae, Moss, Lichens from Roofs and Other Exterior Surfaces.

In 15-20 minutes, remove years of mold, mildew, algae, dirt, and grime from shingle roofs, siding, windows, and decks with Once & Gone Exterior-Surface Cleaner.

Once & Gone is formulated to remove discoloration caused by mold, mildew, and algae, and to cut and lift it so it can be easily washed away.

Application:

Prewet area plants to protect them from any overspray.  Also protect fabrics that may be subject to overspray. Using a pump-sprayer, apply liberally to the entire roof or other surface.  As a precaution, re-wet area plants after you have applied Once & Gone.  Allow to dwell on surface for 15-20 minutes and rinse. Do not use high-pressure to rinse, but rather high-volume and low pressure (garden hose with pressure nozzle).  If necessary, reapply to stubborn areas that didn’t come completely clean.

Great on:

  • Roofs of all types (shingle, tile, metal)
  • Home siding of all types (wood, vinyl, stucco, fiber-cement, etc.)
  • Outdoor decks (wood, concrete, composite, pvc, etc.)
  • Furniture (avoid fabric cushions) and vinyl-covered cushions.
  • Boat cushions.

2 reviews for Once & Gone – A 20-minute exterior-surface cleaner.

  1. Rated 4 out of 5

    You can tell that this product has bleach in it, which is available anywhere. However, this product did more than just a bleach wash. It has some sort of soap in it because it suds up, but you can really see it cleaning.

    I was very happy with it. Kind of expensive – thus, the four stars. Plan to use it on other things.

  2. Rated 5 out of 5

    Just used this product to clean a roof that hadn’t been cleaned in decades – looks brand new.

    My customer was very pleased. As I was spraying it on the roof I could see it working. By the time I put the sprayer down and started rinsing, moss and all sorts of dirt were headed for the gutters. Impressive results.

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