painting over wood filler

11 Dec 2007
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United Kingdom
Hello, I am hoping someone can give some advice please.

I'm painting my sons bedroom. The walls & woodwork are all finished apart from the wooden window frame & sill. The woodwork in all the room was previosly painted with an oil based satin which I sanded well, undercoated with Dulux trade quick drying wood primer undercoat & then put on 2 coats of crown non drip satin (both are water based, as I want it to stay white). The double glazed window gets quite a lot of condensation on it so I had to scrape off a lot of flaking paint, do a fair ammount of filling with Ronseal wood filler, Its now been sanded really well.
My questions are

Do I need to prime the filler or can I just paint over with the water based primer/undercoat & then top coat with the satin or is it best to use an oil based undercoat/primer & then go over with a waterbased topcoat. I dont want the paint to start cracking & peeling in a couple of months tme.
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Yes just give it a couple of coats of the waterbased primer/undercoat.

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lesley if your condensation problem is bad that in time will cause any paint system to fail, you really should try and increase the ventilation to try and stem this problem.

It is a small box room, so I now get my son to leave his bedroom door open at night & open the window a little, but in winter it does get cold & I often find the window shut again in the morning.

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