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    Old concrete path

    Try and find an aggregate that matches, mix that up with some soft sand and cement & patch. Once done, you'll need to artificially age it, a soft brush after 24 hours should clean most of the surface cement off and expose the aggregate
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    Workshop Mk2

    Thanks cdbe. Ultimately, I'm quite far down the route of my original plan with respect to layout, dig and materials which is the main drive to continue. It is *just* a worry that I'll get some odd-ball heave and it'll be a very big, very heavy mistake (although a rather excellent DIY disaster...
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    Workshop Mk2

    Why do you say better off. Is it a technical issue or a cost/effort issue? I'm keen to pour slab as it involves less soil removal. However if it's unable to take the load, of the build or movement I need to change plans. I agree it's over engineered for such a short height, but between the...
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    Single skin block-work workshop with added retaining walls

    Following excavations, thinking, research, re-reading comments from y'all and more thinking... I'm leaning towards this as a solution: There are three main things that have added to the design... 1) The whole slab and retaining wall will be insulated with 50mm of EPS. This will act as heave...
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    Workshop Mk2

    I have a decent brick built workshop in my garden (yay) It's in a really sunny area and deprives us from more sunny usable space (boo) I have some space down the side of the house to build a new workshop (yay) But it's a really tight squeeze and has some technical challenges (boo) I've been...
  6. I

    Pouring a slab over existing foundations

    Na, this is all pretty exciting. Never done a full building from scratch before ;) Wayners, I did wonder if I'm over thinking it. I'll add a bit of sand to protect the dpm and leave it at that. No need to join them together.
  7. I

    Pouring a slab over existing foundations

    Thanks wayners, but my worry is OVER constraining this. It's a detached structure that I imagine will settle independently to these legacy foundations (been no building on it for over 15 years and they're only just in the corner)
  8. I

    Pouring a slab over existing foundations

    I'm on the final stage of excitations for a new workshop slab (6x2.8m). 100mm meshed pad with 350x350 beam with rebar around the perimeter. Single pour. I have now found an old foundation in one corner and am concerned it will lead to uneven settlement (see pic) as it seems totally rock solid...
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    Separate firings or trim bigger joists?

    I have a flat roof that needs 175mm deep joists (Based on span) plus a 50mm firing. As the beams will be visible inside, I am considering whether to cut the firings separately and fit them, or get 225mm deep joists and taper them. Is the latter at all considered acceptable? Ta, Fubar
  10. I

    Adding rebates to concrete slab

    This is a great pour, exactly what I'm after. I'm assuming the laterals will be obscene and plan to brace the ever living bejeebies out of it. I take it the DPM is just to stop the slab staying wet. And is there any under slab insulation?
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    Adding rebates to concrete slab

    I'm going to pour a 3x6m slab soon. It'll be rebated for blockwork, 2 walls with 100mm and 2 walls with 215mm blocks. Using 3x2 timber looks like it may work. At least for the 100mm rebate frame: When it gets to the 215mm rebate, things look a bit more ropey: I'm worried that either 1) the...
  12. I

    Concrete Truck Pouring Etiquette

    Nice, mix on site it is I guess. No need to pump though, it's literally right next to a side road.
  13. I

    Concrete Truck Pouring Etiquette

    I'm guessing the mic as you wait is considerably more expensive? Plan was for pre mixed.
  14. I

    Concrete Truck Pouring Etiquette

    Moving towards my first actual paid part of my workshop project (which will also kick off my 'my projects' thread) - The concrete pour. It'll be just over 3cu.m but the first time I've ever done something like this and I don't want to end up with egg (or concrete) on my face. I plan to have...
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    DPM on top of the plinth? Garden office.

    I assume this is a slab foundation? Issue you could see is moisture coming in underneath. But yea, need to see pictures.
  16. I

    Threshold for needing expansion joints

    Question was for the slab. For the blockwork, I plan on putting in some expanded steel mesh every few courses to minimise cracking.
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    Threshold for needing expansion joints

    6x3m 100mm thick concrete slab with rebar mesh. Blockwork building on top. I'm getting mixed results on whether I should add an expansion joint. What's y'all thoughts? South Hampshire (UK), sheltered location. Cheers, Fubar
  18. I

    45*angle on a potential small extension

    Cheers Wessex, Did not know that! Go figure. Not that, it seems, anyone in our area cares about the rule.
  19. I

    45*angle on a potential small extension

    Generally, glazing on the side of a house (to the principle elevation) should be obscured to protect privacy of neighbours.
  20. I

    Corner plot workshop application - foreseeable gotchas?

    Epic. Thanks FMT. While corner plots are not explicitly stated under class E, it is explicitly stated under class A, which sets a precedent that omission is permission.
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