RAD Guard Mildew Cleaner/Preventer Concentrate 1 Gallon

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Concentrated Formula Covers 1000+ Sq Feet. R-A-D™ Guard is used to Remove and Prevent Mildew and Algae. Can Be Applied Over Existing Paints, Stains & Sealers. Will not harm Existing Paints, Stains, or Sealers
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R-A-D™ Guard Concentrate is a no-rinse cleaner and preventative that is safe and effective for removing and preventing stains caused by mold, mildew, and algae on exterior surfaces and exterior wood or deck stain coatings. R-A-D™ Guard cleans without pressure washing, scrubbing, or rinsing. Contains no bleach, chlorine, acid, sodium hydroxide, or phosphates.

Designed Especially For Exterior Wood and Decks

Keeps cleaning long after application, keeping your wood stains looking better longer. 1-2 years of mildew and algae prevention.

Note: R-A-D™ Guard Concentrate is not used for prepping wood for wood stain application. The primary goal is to remove mildew or algae stains and prevent mildew and algae stains from returning.

When & Where to use R-A-D™ Guard Concentrate

R-A-D™ Guard Concentrate is best used to remove mildew and algae stains that have accumulated over or on top of any exterior surface. The advanced properties of R-A-D™ Guard can also be applied after an application of an exterior wood stain to prevent the growth of mildew or algae for 1-2 years.

R-A-D™ Guard Concentrate ADVANTAGES

  • 1 Gallon of R-A-D™ Guard Concentrate makes 5-6 Gallons when mixed with water. Cleans 1000+ sq feet when mixed
  • Can Be Applied Over Existing Paints, Stains & Sealers
  • Will not harm Existing Paints, Stains, or Sealers
  • Use on Exterior Wood and Composite Decking
  • Use on Brick Paver Patios and Walkways
  • Use on Concrete Driveways, Patios, and Walkways
  • Stucco, Vinyl, and Wood Siding
  • Asphalt and Tile Roofs
  • Eco-Safe, Bleach Free, and Pet-Friendly Formula
  • Removes Stains Caused by Mold and Mildew
  • Safe to use on all exterior wood surfaces, not just decks

How R-A-D™ Guard Works:

Step 1: Spray surrounding landscaping with water

Step 2: Mix with water at 5 parts water to 1 part RAD Guard Concentrate first.  Pour R-A-D Guard into pump sprayer

Step 3: Saturate areas to be applied with RAD Guard. Surfaces that RAD Guard is being applied to must be fully dry before application. All paints and stains must be fully dried and cured before the application of RAD Guard.

Step 4: Once finished applying to all areas of surface, repeat Step 1

Step 5: Step back and let Mother Nature work with R-A-D'” Guard to clean for you

Step 6: R-A-D Guard continues to deep clean with substrate penetration

Maintenance: Repeat application every 12-24 months or until new stains appear

Coverage: 1 Gallon of R-A-D™ Guard Concentrate makes 5-6 Gallons when mixed with water. Cleans 1000+ sq feet when mixed.

R-A-D™ Guard Concentrate

1) Mix with water at 5 parts water to 1 part R-A-D™ Guard Concentrate first. Fill R-A-D™ Guard RTU in any garden pump sprayer, skid sprayer, or your own custom sprayer with tank.

2) Thoroughly wet all perimeter landscaping with water immediately before and after the application. DO NOT LET PRODUCT DRY ON LANDSCAPING.  DO NOT RINSE TREATED SURFACE WITH WATER.  Avoid contact with eyes.

3) Apply a thorough coat of diluted product to all affected areas (areas must be dry) at least 12 hours prior to any rainfall or snow.  Roof Stains will continue to disappear with subsequent rainfall over the next 3-9 months, Green Algae stains in 1-7 days, and Black mildew stains on non-roof surfaces in 3-12 weeks.  Stains may appear darker immediately after application, which is a positive sign that the product is working correctly.  A second application may be necessary for extremely effected areas but only after the 3-9 month dwell time. When applying product, avoid windows as this can leave a streaky appearance.  If accidentally applied to a window, simply rinse window with water until product is removed.

Apply product when temperature is above 45-degree Fahrenheit outside.

Carefully read all cautions and directions on the product label and R-A-D™ Guard SDS prior to use.


R-A-D™ Guard Concentrate makes 5-6 gallons and cleans 1000+ sq feet. Coverage will vary on application method and substrate.


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