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Multi-Surface Concentrate

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SEAL-ONCE® Multi-Surface Concentrate deeply penetrates the surface to protect and stabilize wood, concrete and masonry against water damage and decay. It uses proprietary nanotechnology to create a long-lasting, flexible, breathable barrier to provide protection from the inside out.

Multi-Surface Concentrate is diluted 1:1 with clean water to create the final, usable formula. It protects against warping, cupping, cracking, spalling, rot and decay. It also prevents mold, mildew and fungi growth.

Multi-Surface Concentrate is non-yellowing and will not alter the original appearance of the wood, concrete or masonry. It allows wood to silver naturally over time, and can also be mixed with any of our available Semi-Transparent Tints for Wood to enhance the appearance of your project.

Recommended Use:
Decks Docks/Piers Railings Cedar Shakes Siding Clay Tiles and Shingles Outdoor Furniture and Play Structures Fences Planters Log Homes Structural Framing Pavers and Bricks Poured or Stamped Concrete Stucco Limestone Slate Tile (unglazed)

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Product Details

  • Eco-friendly
  • Ultra-low VOC (25g/L)
  • Non-toxic; will not harm pets, plants, people or marine life
  • Non-film forming
  • Non-yellowing formula
  • Flexible, breathable barrier
  • Prevents warping, cupping, wood rot & decay
  • Prevents cracking & spalling
  • Prevents mold, mildew & fungi growth
  • Stabilizes & protects wood, concrete and masonry
  • Soap & water clean-up

 

  • All surfaces should be cleaned before sealing for best penetration and performance.
  • Remove all old coatings, dust, debris and loose material. Remove oil, grease, algae, grime, mill glaze and mold and mildew stains with appropriate cleaners. Recommend SEAL-ONCE All Wood Cleaner or SEAL-ONCE Concrete/Masonry Cleaner.
  • Test absorbency after cleaning by sprinkling water on surface. If the water does not readily penetrate the surface, stripping will be necessary to remove old coatings before applying SEAL-ONCE Multi-Surface Concentrate.
  • Do not use if air or surface temperature is below 45°F/7.22°C or above 95°F/35°C.
  • Do not apply in rain or when rain is expected within 12-24 hours.
  • DO NOT THIN. Mix well. Stir contents or shake thoroughly prior to use.
  • Test a small area to ensure acceptable appearance and penetration.
  • Apply first coat with a synthetic brush; pump-up garden sprayer; air-assisted; and/or airless sprayer. Use 15-17 tip and medium to coarse spray pattern. When spraying, always back brush for best results.
  • Second coat can be applied once first coat has penetrated but is still damp. Second coat must be applied within one hour of applying first coat.
  • For best results, apply in the shade and out of direct sunlight.
  • When applying in direct sunlight and wood surface is hot, spray with a mist of water and apply Multi-Surface Concentrate immediately on dampened surface.
  • Apply to all surfaces. Apply SEAL ENDS ONCE® to wood ends.
  • Do not use with other waterproofing products.
  • Substrate can be painted or stained as soon as it dries in approximately 2-3 hours.

 

  • Allow approximately 2-3 hours for surface to dry, depending on temperature and humidity.
  • Allow 12-24 hours for full cure, depending on temperature and humidity.
  • When recoating, apply as soon as previous coat has penetrated and surface is damp, not wet. Second coat must be applied within one hour of applying the first coat.
  • Clean all application equipment with warm soapy water.
  • Disposal: soap and water cleanup; no special disposal procedure needed.
  • Store above 32°F/0°C to protect from freezing.
  • Shelf life (unopened): 3 years

 

Surfaces that have been treated with Multi-Surface Concentrate can be cleaned using a mixture of 1-gallon warm water, 14 oz. bleach, and 1 oz. of Dawn® dish detergent. Apply this cleaning solution with a sprayer and allow to sit for 20 to 30 minutes on the wood surface before rinsing with water using a garden hose with a nozzle.

This cleaning solution can be used to remove airborne mold and mildew stains, dirt and grime from the wood surface. Multi-Surface Concentrate will prevent and resist any water, mold and mildew penetration. Do not use oxidizers, corrosives, or strippers on surfaces that have been treated with Multi-Surface Concentrate.

Surfaces can be recoated with Multi-Surface Concentrate at any time. Multi-Surface Concentrate may need to be reapplied for fading tint color, surface damage, in heavily worn or high traffic areas, or in places where the surface may have undergone noticeable changes.

Before reapplying Multi-Surface Concentrate, clean the surface using the recommended cleaning solution above. Apply Multi-Surface Concentrate according to package instructions. When reapplying in small areas, lightly overlap onto areas previously treated with Multi-Surface Concentrate.

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