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Maintenance Schedule for
Waterlox Original Marine Finish Satin
(Exterior Grade)

Waterlox Original Marine Finish Satin is a specially formulated exterior finish for both vertical and horizontal surfaces.  This product contains ultra-violet light stabilizers along with ultra-fine pigment particles to screen out the harmful UV rays of the sun, and other outdoor elements such as water and salt.

Maintenance schedules vary widely according to the location and exposure of the wood surface to the harmful outdoor elements; however, the following general rules apply:

  1. Little or no direct sunlight:

If Waterlox Original Marine Finish Satin is applied on a wood surface in a location that receives little or no direct sunlight, you may never have to re-apply or perform any other general maintenance other than an occasional washing of the surface to remove any dirt accumulation that might occur.  Maintenance can be performed by using a low-psi power washer or a mop, sponge, etc. with a mild solution of soap or white vinegar or Waterlox’s Original Cleaner Concentrate. Simply wash the surface and rinse with clear water.  This is recommended to prevent a build up of dirt that traps other harmful chemicals or provides a breeding ground for mold or bacteria.

Never use phosphorous or ammonia-based cleaners on any Waterlox product.  An occasional washing/cleaning with a 5% bleach and water solution is acceptable but not on a reoccurring basis (weekly or more).  Vinegar and water or the Waterlox Cleaner Concentrate are the best and recommended cleaning solutions.

  1. Partial or full sunlight:

If Waterlox Original Marine Finish Satin is applied on a wood surface in a location that receives partial or full sunlight, the above cleaning procedure should be followed as often as needed to reduce the accumulation of dirt build-up.  The length of time and intensity of outdoor exposure will require a re-coat of the product that would be determined by a visual inspection of the surface. A re-coat should be performed before or when there is:

  1. Any noticeable graying of the wood surface;
  2. Any whitening of the surface (matte or no gloss appearance);
  3. Any other appreciable color change;
  4. Any staining by natural elements (water run off lines, rust staining from gutters or any other metallic source; wash to remove prior to re-coating); and/or
  5. Any other erosion or suspected film loss.

Prior to re-coating the surface, wash the surface completely following the instructions in the first section. Once the surface is clean and dry, simply apply another full-bodied (no thinning with solvent) coat in the same manner as it was initially applied. It is imperative to keep the film build at or near initial thickness and the surface clean as possible to provide the proper protection. Do not apply a coat in direct sunlight.

  1. Extreme Conditions:

If Waterlox Original Marine Finish Satin is applied on a wood surface in a location that is subject to extreme conditions, such as near the ocean or near an industrial setting where wind, rain, dirt, salt and intense sunlight are prevalent, the surface may have need to be re-coated once or twice per year.  Review the maintenance instructions in section 2.

By keeping a strict adherence to a clean surface and re-coating prior to any visual failure, Waterlox Original Marine Finish Satin will provide years of protection to valuable exterior wood structures.


Waterlox Marine Coatings Project Guide


Waterlox Marine Satin
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