In stock
  • A 2 lb container will make 8 gallons for a total of 4,000 to 6,000 sq ft.
  • 1 gallon will cover 500-800 sq. ft
  • Removes mold, mildew, algae stains, mill glaze & discoloration to restore the original color of wood, making it look new again
  • Prepares wood surfaces to allow for the application of SEAL-ONCE wood sealers & finishes that need a clean surface to penetrate below the surface
5 Gallon - Purchase Here
SEAL-ONCE® All Wood Cleaner prepares wood surfaces for the application of SEAL-ONCE wood finishes & sealers. 2 lb size mixes with water to make 8 gallons & covers 4,000 to 6,000 sq. ft.  The concentrated formula penetrates the surface to loosen dirt & remove discoloration, mold & mildew stains without the use of harsh chemicals. It restores the original color of the wood, making it look like new.  SEAL-ONCE products perform the best on a clean surface that allows the nano-particles to penetrate the wood & protect from water damage below the surface.

Recommended Use:

Decks Docks  Railings Shingles Shake roofs Siding Fences Outdoor furniture Play structures Log homes Hard and soft woods Pressure treated lumber.

Features & Benefits

  • A 2 lb container will make 8 gallons for a total of 4,000 to 6,000 sq ft.
  • 1 gallon will cover 500-800 sq. ft
  • Non-toxic; will not harm pets, plants or people
  • Zero chlorine, bleach & phosphates
  • Removes mold, mildew & fungi stains
  • Removes discoloration and brightens wood
  • Soap & water cleanup, Eco-friendly

  • All surfaces should be dry for best penetration and performance.
  • Remove any furniture and fixtures from the area to be cleaned. Remove all dust, debris and loose material from the surface.

How to Apply

  • Add ½ cup of powder per gallon of water. Stir thoroughly to ensure all powder has dissolved.
  • Allow the prepared solution to sit for 15 minutes to fully activate prior to use.
  • Apply to all dry wood surfaces using a pump-up garden sprayer.
  • Allow cleaner to sit on the wood surface for 30 minutes before rising off thoroughly using a pressure washer.
  • For best results, do not apply in direct sunlight or on hot surfaces. If surface becomes dry, mist with water to reactivate cleaner.
  • Do not apply to surfaces that have been stained using SEAL-ONCE Semi-Transparent Tints.
  • Once wood surface has been cleaned, rinsed and has dried completely, SEAL-ONCE products can be applied.
  • Remove excess stains sitting or puddling on the surface. Back brush or use a rag to wipe away any runs, drips, or puddles that have not soaked in.

Dry Time / Clean-Up
  • Depending on temperature and humidity, allow approximately 4-6 hours for the surface to dry completely before applying SEAL-ONCE Wood Sealers.
  • Allow 12-24 hours for the surface to dry for best results.
  • Clean sprayer equipment, sponges, and brushes with warm soapy water.
  • Disposal: soap and water cleanup; no special disposal procedure needed.

Maintenance & Care
  • Wet the surface.
  • Clean the surface with a solution of 1/4 cup Seal-Once Wood Cleaner. Apply this solution to the wood with a garden pump sprayer.
  • Let the solution sit for 15-20 minutes. Do not let the cleaner dry.  Keep it wet.
  • Power wash the cleaning solution from the wood. To prevent damaging the wood, do not exceed 500psi.  Keep the nozzle 1-2 feet away from the surface.
  • Rinse thoroughly.
  • Let the surface dry for 1-2 dry days before application of Seal-Once.
Color Black
Your Rating