I bought some wood to replace a gutter board from my local timber
merchant last weekend. They recommended treated wood, but it's only
planned and it's full of knots, so I've got to mess about sanding it &
treating the knots. Also it's 20mm thick & seems pretty heavy to hold
something as light as a short run of plastic gutter. Then, when I got
it home I realised that it's bowed, so needs to go back anyway.
What kind of wood should you use for a board to hold a gutter? Does
it have to be treated? It needs to be 4 metres long & when I looked
in Homebase & B&Q the longest that they had was 3 metres (sanded &
very few knots, but untreated) and having to join 2 bits seems a bit
messy. Would untreated pine be OK once it's painted?
Basically I'm wondering what people normally use.
They are polycarbonate and come in many different finishes. It is very
difficult to tell the wood effect finish from real wood and the best bit is,
it lasts for many, many years without major maintenance.
I used regular planed pine.
First I cut it to size and temporarily fitted it with just a couple
of nails hammered half way in each piece to make sure all the pieces
fitted (I had to go round a corner, and couldn't get a 5m length home
anyway). Then I took it all down.
First, I treated it with a wet/dry-rot/insect protector.
Next, primed it with aluminium primer.
Finally, gloss undercoat and topcoat.
Since it was not fitted, I treated and painted all surfaces
including the back, so if water does happen to get behind,
there is some protection there too.
Last job was then to put it up, and screw the guttering to it.
This was mostly done over last year's August bank holidays, and
it's still looking good as new.
I think his point was that it was treated *because* it rots - and therefore
its best to avoid wood that will rot (or at least, less susceptible to
Treated wood shouldn't rot too quickly though... ;)
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