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Dulux Trade Weathershield Quick Dry Undercoat is a waterborne flexible undercoat which has both good adhesion and obliteration qualities.   It is easy to apply and the paint film flows out nicely to leave a smooth finish. The dried paint film has a slight sheen which I feel assists with the subsequent gloss of satin paints layers give depth to the finished appearance.   

The Weathershield paint system is a 3 part system which includes a Preservative Primer, Undercoat and either Gloss or Satin finishing Paint.  I is important that the whole system is used otherwise it is likely the products will not perform as expected.

The undercoat can be tinted to match your chosen gloss colour, however I personally like to use greys as undercoats for colours and so I mix my own by adding dark grey and white Weathershield undercoats together until a suitable tone is reached.  

Dulux Weathershield Quick Dry Undercoat can be used as an undercoat for both the traditional spirit base Weathershield Gloss, and the waterborne Weathershield Quick Dry Gloss.  The advantage of using this undercoat over the traditional spirit Weathershield Undercoat is its drying times and environmental friendliness.   

It is important that surfaces are properly prepared through washing down and sanding, with the appropriate primes of each particular surface used where required.   

I would always recommend apply 2 coats of this undercoat prior to the finish paint, so as to achieve a uniformed, solid surface as a foundation for the finishing paint.

I would also recommend using a good quality synthetic paint brush to apply this paint rather than a pure bristle brush. 

An example of the practical use of this paint can be found on my post ‘Painting a varnished front door’.

Thank you for visiting I hope you find my posts informative and that you will bookmark and visit again soon.


Paint Category

Coverage per litre


Available Tin Size

Application Methods

Suitable  Surfaces

Quick Facts


Waterborne External Undercoat

16 m2

£ 25.00 per lt           Advisory   

For use on all external woodwork

1 lt

2.5 lt

5 lt

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