"Rednadnerb" wrote in message
...
When painting outside woodwork with undercoat and gloss I usually go
over the areas that are heavily exposed to rain and sun with a second
coat of gloss.
But i've never actually read anywhere that this will prolong the life
of the paintwork. Am I wasting my time?

If you are painting new wood or over very weathered old paint, consider
"Ranch Paint", which is microporous.

I used it on well weathered paint several times (having removed the flaky
bits and rubbed it down). Worked a treat and didn't "peel". From past
experience, ordinary undercoat and gloss would have.

Ranch paint isn't cheap but you don't need an undercoat and the finish is
good- albeit satin rather than gloss.

Probably not good over good old paint as you'd have to do some serious
sanding.

Brian