Others in this category
  • WOODTECH Polyurethane Satin Varnish
  • WOODTECH Polyurethane Gloss Varnish

WOODTECH Marine Spar Varnish

Protecting and maintaining the natural beauty of wood inside and out.

This marine-quality finish remains flexible and will expand and contract to outperform traditional polyurethane varnishes. WOODTECH Marine Spar Varnish provides a durable, U.V. weather-resistant finish, making it an ideal choice for exterior wood doors, window sills and trim. Use on bare, stained or previously varnished interior and exterior wood surfaces including doors and trim, outdoor furniture, fencing, railings and wooden boats. Use on bare, stained or previously varnished or finished surfaces. Not for use below the water line.


See all
Anti-Fungal and Anti-Algal PropertiesFor interior and exterior useExpands and contracts with changing weather conditions

Surface preparation:

  • Clean surface, removing all dirt, dust & grease
  • Matte surface for better adhesion
  • Sand new or stained wood lightly to a smooth finish
  • If staining, allow to dry 24 hours before varnishing
  • Remove old varnish in poor condition with sandpaper
  • Clean and matte the gloss of varnish in good condition


Application Procedure:

  • Stir well before and occasionally during use
  • Before applying check effect by testing on an extra piece of the same wood
  • Apply a uniform, thin coat using high quality, clean polyester or natural bristle brush
  • Brush in even strokes in the direction of the wood grain
  • Use care on vertical surfaces to avoid runs
  • Allow to dry 24 hrs and sand lightly
  • Remove all sanding dust before applying 2nd coat
  • For best results, apply at least 2-4 coats


Tips: Avoid application in direct sunlight or when rain is threatening or late in the day when dew may affect drying time.

Tools you will need

Paint Brush
Spray Gun

Available Packs

1 Gallon

1 Gallon

5 Gallons

1 Coat
9-10 m2/ltr**


On well-prepared surfaces, as per the painting system recommended. Please refer to the Product Data Sheet for surface preparation and method of application.

** Actual coverage may vary from the quoted coverage due to factors such as method and condition of application, surface roughness, and porosity.

  • Get Inspiration

  • Make Your Plan

    Let us design a project plan to suit your needs.

  • Colour Tools

The shades displayed on this website are indicative only and may vary from the actual colours due to variance in monitor calibration and resolution as well as screen settings.
Thank you for subscribing!