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Garden shed against brick wall

Discussion in 'Building' started by Robski99, 25 Apr 2017.

  1. Robski99

    Robski99

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    Hi,

    I've been searching everywhere for try and figure out a solution for this problem but I can't quite work it out.

    I tore down our old garden shed as it was leaking and rotten. The previous roof was built with the joists resting directly on our garden wall which is made of cinderblock.

    I am thinking of putting something back in the space which has a bit better insulation so I can use the shed as an office.

    The plan is to build it out of timber with timber frame walls but I cant figure out what is need to do to put it against the block wall. I don't want to overhang the neighbours at all and I'm a bit unsure about damp problems. I should also mention that there is a concrete slab in place running up to the wall which was there from the previous shed.

    Do I leave some sort of air gap between the timber and the block with some glittering to drain the water away? How would I finish the exterior if I did this?

    Is there some alternative which would allow me to build directly against the block with some sort of flashing/glittering to remove the water?

    Any advice would be much appreciated

    Rob
     
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  3. tomfe

    tomfe

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    It's best to either leave a good gap so you can get down it if needed or no gap at all.
    You can slope the roof towards the front so you can put any guttering here or use an internal gutter at the back.
    You might need a party wall agreement for the wall however if you are on good terms with you neighbour you might forgo this.

    You would need to make sure the wall is capped at the top and flashed correctly to stop any water ingress.
     
  4. Robski99

    Robski99

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    Thanks for the reply. I was thinking a timber frame so that I could avoid potential party wall agreements. We own the wall and it backs onto our neighbours' gardens but i guess I'll get some legal advice before I proceed.

    If I was to go with no gap, would i need to use some sort of treated timber or put a membrane between the timber and blocks? I was thinking of putting ply over the wall before standing them up.

    Rob
     
  5. DIYnot Local

    DIYnot Local

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