2nd coat of Dulux quick dry exterior gloss- must I sand again, and can I use satin instead?

21 Oct 2011
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United Kingdom

I have just finished painting my fascias, and some rafters which come through the wall and are exposed behind the fascias. I sanded, then painted over the old paint with Dulux trade quick dry primer undercoat 2 in 1. Then I applied 1 coat of Dulux weathershield quick dry gloss, in black (don't know why I used quick dry, on reflection!).

It looks poor and definitely needs another coat, but I knew it would. 2 Qs-

1. I will have left about 18 hours between coats of the gloss. Bearing in mind it's quick drying paint, will I need to sand it again to make a key? (I'm hoping not- it's a lot of wood, and in awkward places).

2. Looking at the shiny finish, I think I'd prefer to do the second coat with Dulux Weathershield satin. Is this a bad idea? And if not, would giving the gloss a light sand to create a key be all I'd need to do? (or could I get away without sanding again since the gloss is so new?).

Thanks in advance for your help.
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