have a say 1m fence to construct atop a nice old curved low stone
built garden wall, gtopped with some nice old large bits of flattish
stone (think wall that had railings ontop before they were cut off for
The wall is also sloped so the fence will be hand built to suit - i.e.
Standard ways of attaching fence posts to masonry/concrete are pretty
foul bolt down jobbies that look naff and don;t last long IMHO. Also
drilling 4 holes is asking for bother on capping stones, and I expect
they won't cope with the slope well and will look even more naff...
So looking for a neat way of attaching wooden posts to sloping coping
Sure I;ve seen some post "shoes" with a length (12"?) of rebar
attached vertically underneath presumably to concrete in - can't find
em now- was thinkinig I could drill the stones (and better down into
the wall) for the rebar and then use resin to anchor them in?
On Sunday, 10 March 2013 17:21:57 UTC+1, Jim K wrote:
mmm OK then
found the things I was on about but they are designed for deck posts with v
ertical loads and I'm worried they will not put up with much stress when ho
lding a 3ft (say) fence atop a wall in the wind. I think the febce will hav
e to be a "hit and miss" job with staggered pales each side to allow some w
M12 Threaded stainless rod - post bottoms drilled to take 150mm of this and
200mm protruding, attached with? resin? expanding foam? gorilla glue?
then wall drilled vertically and 200mm section anchored in with resin?
Anyone see anything about this one?
I could maybe beef up the interface between wall and post (against bending
by wind or scrotes) by threading a 36mm long M12 bar connector on to the st
ud (counter boring the post and wall by 18mm each)
Any thoughts anyone?
I must admit I'd be very wary of adding a fence to the top of a wall.
Structurally they are working in very different ways and I wouldn't have
thought that it would take much wind load to risk damaging the wall. This
might account for the lack of replies to your question.
Some pictures would be a big help. Personally, I'd put posts in behind the
wall supporting the fence over the wall.
mmm. I envisage there not being much of a gap between the post and the
wall copings so the posts wouldn't be "hanging" on an exposed inch of
I imagined the connector would be resined into the wall top and base
of post and so not solely exposed to any bending forces
Maybe a test is called for.
I would just forget the whole idea of fixing a fence to the wall. Railing
on top of a wall are fine as they put relatively little wind load on but a
fence, even a "hit and miss" design is a veritable sail.
Of course without pictures, dimensions or construction details of your wall
we're all guessing really.
As I didn't build it there are construction details as such -
However as you ask it's approx 1m tall built of coursed stone, approx
12 inch total wall width, thick stone copings as described in the OP.
I have no pictures - what is it you would need to see?
Fence and wall both about 3ft (the original wall was just low enough to
see over, and see the bowling club). I don't recall how it was fixed on,
and can't find a reference to any news story. They've put a 6ft wall up
now and it has been fine.
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