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Attaching trellis to top of stone wall

Discussion in 'In the Garden' started by jertum, 1 Jul 2019.

  1. jertum

    jertum

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    We've just moved into a Victorian terrace with a small yard to the rear. I'm looking to increase the height of the wall from 3ft to about 5ft using trellis, to give some privacy and prevent our dog from reaching next door, without blocking too much sunlight.

    The wall is the original from when the house was built (Yorkshire stone, around 120 years old) but still in good shape and seems solid. Do you think there'd be any issues with attaching posts to the wall itself? Other people in the area look to have done this without issue, but I'm a bit concerned about adding stress/wind resistance and damaging the wall - it does get windy as we're at the top of a hill. I was hoping to concrete the posts into the ground for stability, but according to the paperwork from the last owners, it looks as though our water supply pipe runs directly next to the wall.

    We can't attach battens or anything to the top of the wall either as it has triangular coping stones all the way along, which are quite crudely shaped and vary in terms of angle and size.

    Thanks in advance for any advice you can offer!
     
  2. Notch7

    Notch7

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    I think you will be fine, trellis doesnt create much wind load.

    Is it just 1 side you are doing? If you can do returns that will increase its strength -even an angle iron diagonal brace would help
     
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  4. jonbey

    jonbey

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    Could you dig some post holes and also attach to wall, for some added support? Get a lighter weight trellis and train a plant along it, rather than the heavier small hole sorts.
     
  5. jertum

    jertum

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    Yeah, just the one side. It doesn't have to be completely solid - the dog's unlikely to jump up at it - more for privacy and blocking the view into next door's garden with climbing plants etc. growing up it.
    I might be able to dig about 6" into the ground, but I'm pretty sure I'll hit concrete or pipework past that. I do think a combination of both fixing to the wall and anchoring them in slightly with postcrete would help though - might give that try.
     
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