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Underglass - Wood Sealer Yacht Varnish

Underglass wood sealer yacht varnish is a two-component base for use on solid wood or plywood. Underglass yacht varnish is used as sealer coat before the application of a one or two-component yacht varnish, or yacht paint finishing system.


Underglass yacht varnish provides excellent penetration characteristic and adhesion making this a perfect choice as a base coat to seal the wood. Underglass UV is a fast drying yacht varnish and provides excellent adhesion to the substrate.

Underglass Yacht Varnish
Features and Benefits

  • Excellent application by brush or spray
  • Tough resistance film
  • Fast drying – rapid build up
  • Easy maintenance
Product Technical Details:
Bare Substrate:

Wood - Exterior and  Interiors

Coverage per Litre: 8-10 m2 per litre
Application Method:

Brush - reducing by 10-15% with Thinner 205
Spray - reducing by 15-20% with Thinner 203

Pot Life (A+B at 20ºC): Use within 2-3 hours
Dust Dry: 10-15 minutes at 20ºC
Recoat Time: 8-10 hours at 20ºC


Number of Coats: 2 (depending on usage)
Mixing Ratio: 2 parts Sol A with 1 part Sol B
Packaging Size: 1.5 Litre kits (A+B)

* The product information is a general overview, to help when deciding which product to use. Please see the product's technical data sheet for specific information.