Dulux Weathershield Exterior Flexible Undercoat

Key Information

Weathershield Exterior Flexible Undercoat

Part 2 of a weather-resistant, 3 part paint system developed to provide longer lasting protection for exterior woodwork. It is formulated using the unique ICI NAD technology, which makes it particularly flexible in order to help absorb the natural movement of the wood.

Pack size

Application Information

Up to 16m² per litre on most surfaces
Touch dry
1-2 hours dependent upon temperature / humidity
2-4 hours
Thinning not generally required.
Brush or Roller

Key Benefits

Available Colours

Vital part of the WEGS system.
Flexes with the wood to prevent cracking.
Provides good build and excellent opacity.
Can be used on primed metal such as garage doors.

  • Brilliant White

    Brilliant White

System Information


To get the best results make sure surfaces to be painted are sound, clean and dry (new surfaces particularly must be fully dry.)
Apply 1 coat of the appropriate coloured Dulux Trade Weathershield Exterior Flexible Undercoat to all primed wood. Apply a second coat of the undercoat, followed by 1 coat of Dulux Trade Weathershield Exterior High Gloss.
After use, remove as much paint as possible from brushes before cleaning with white spirit.

Download a PDF datasheet for Dulux Trade Weathershield Exterior Flexible Undercoat
safety datasheet
Download a PDF safety datasheet for Dulux Trade Weathershield Exterior Flexible Undercoat