water based undercoat over oil based undercoat

RichD1 · 26 Jul 2022

I'm painting the exterior of my bay windows top and bottom. I've finished up some oil based Dulux Weathershield undercoat so was wondering if I can use the Dulux Weathershield quick dry water based undercoat for the 2nd coat. The top coat will be oil based Dulux Weathershield gloss.

Richard

sparkwright · 26 Jul 2022

Personally, I would not.

I have found water-based paint can bleed through oil-based gloss over time.

I'm not saying this is always the case, but I just cannot recommend this.

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water based undercoat over oil based undercoat

RichD1

sparkwright

DIYnot Local

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