External woodwork re-painting frequency

Aug 25, 2014 23 Replies

I hate external woodwork which needs to be re-painted frequently, and my main home in the midlands is largely maintenance-free in this respect.



But I also own a flat in a converted Georgian house in the New Forest - which *does* have lots of external woodwork.



The current practice is to re-paint it every five years - but it was last done only 3 years ago, and lots of paint is already pealing off - particularly on the window-cills.



Anyone have a view as to how long a re-paint had *ought* to last, and whether or not a life of only 3 years is a sign of shoddy workmanship?



It seems to me that one problem with old buildings is that if the woodwork is only slightly unsound - and contains any moisture at all - that moisture will fund its way out, and force the paint off. Although any obviously rotten timber was replaced when it was last painted, paint was almost certainly applied on a number of *slightly* dubious areas.



Anyone else faced with similar problems and, if so, have you found a solution? Before you say "replace all the woodwork with uPVC" I should perhaps point out that it's a Grade II listed building - so that ain't an option!


It *may* be an option if you're prepared to do the legwork, e.g. search for application number 10/13/0385 at

IME it's certainly a waste of time repainting old wood. At best it's cosmetic, and mostly just accelerates rot. Ideally you need to get back to bare wood, allow it to dry, and apply a

2 part wood hardener (any polyester resin will do IME). After that, any filler and any paint should work well and last a couple of decades.

I would expect to achieve 7-10 years for an oil based exterior grade paint applied to a clean, dry and well-prepared surface.

Many thanks for that link - it certainly provides food for thought!

There are significant differences in their situation relative to ours. Their existing windows were recent and were already double-glazed - whereas ours are 'period' and are single-glazed. Also, each of our sashes is sub-divided into 6 panes - whereas theirs only have 2. Nevertheless, it's worth exploring.

Sounds like a possible solution. The most difficult part is probably allowing it to dry - which could take a considerable time. It would presumably need protecting from the weather whilst the drying took place?

I would be happy with that but, sadly, we haven't achieved anything like that. Is this indicative of inadequate preparation?

Though application 93/NFDC/51626/LBC at

might indicate the attitude of New Forest vs Blackburn with Darwen

Are there houses near yours that have been given permission to replace period single glazed with modern wooden double glazed sashes? If so and you could demonstrate the high-spec uPVC would appear identical to those, it might be worth trying to argue the point.

Three decades in my case. Thirty years ago I bought what became my original Music Workshop which had a double-fronted shop with rotten display windows. I did all that - plus ruthlessly cutting out and replacing rotten timber. I saw the place was up for sale again a few weeks ago and my window frames were still holding up.

Nick

Peeling paint does suggest that, but can be an incompatible surface. What was the paint you used? Oil or water based?

All the paintwork on the windows on the SW side of my house really needed doing every other year, every 3 years at a minimum, even when done carefully with expensive paint systems.

I gave up and fitted uPVC. Sorry that isn't an option for you.

Have you considered selling it and renting?

Maybe, but I've been unable to view that application - getting an error saying "Unable to perform this task. A remote exception occurred." when I try. Sounds like a system error - maybe they'll fix it after the Bank Holiday!

Dunno - but I'll have a look. Having said that, our house is considerably older than most of the surrounding properties, so there's unlikely to be much which is comparable.

I got the same, refresh a few times, it should work eventually, maybe they have several servers and one has gone AWOL over the bank holiday?

Almost certainly oil-based. It was done by a professional painter - not by the residents (requiring scaffolding, etc.). It took a while to dry compared with water-based acrylic paint. I suspect that the wood was damp when painted, due to water penetration through the previous failing paint surface.

It's almost certainly damp now - particularly after the Bank Holiday weather! I just don't know how to go about getting it dry enough to re-paint satisfactorily.

Absolutely not! We love the place - but it does come with its challenges!

Full marks for the excellent design and access statement.

>

Yes, I thought they'd sought out plenty of relevant boxes and demonstrated they were all ticked, but

"painted sashes will jam and we'll all die in a fire"

was a nice touch ...

FWIW, when we had wooden windows on the SW facing side, I sanded them, treated them with preservative, primer, undercoat & 2 coats of gloss, all from the Dulux Weathershield range. It still all fell off within a few years. The windows were new and the they were bone dry when painted.

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