concrete

  1. T

    Insulating Concrete Dormers

    Hi everyone – I'm looking for some advice on our 1910 solid brick wall terraced house in the UK which we are planning to renovate. Unusually, it has some prefabricated 105mm thick concrete dormers and I'm not sure how best to renovate them. We are in a conservation zone, so have no choice but...
  2. EasyGoingPat

    Confused by Concrete Calculations

    Hi, I am a competent DIY-er but am finding it surprisingly difficult to get concrete numbers when trying to estimate how much cement, sand and gravel to buy for my project. The project is simple: I am extending a pre-existing concrete apron on which the car stands. I already have a good...
  3. J

    Concrete worries

    Hi all, I've been using the site for advice while planning my new patio and surrounding wall build. It's been very helpful, thank you all. One thing I'm still unsure about is how to extend my step down onto my patio, I'd like it to be full length, rather than the existing. My question is can I...
  4. J

    Tidy up concrete slab edges

    After smashing out some concrete pavers and the concrete base to install some drainage I'm left with an untidy concrete edge which will be visible when I landscape the courtyard. I'm thinking of building a form to create a flat face for the concrete down to ground level and pouring in some...
  5. J

    Concrete Bungalow Hole

    Hi, I am considering buying a concrete bungalow and am going to get a survey, but before I do, is a hole near the base repairable? The hole is about 10x20x5cmabout
  6. E

    How best to bond new concrete to existing?

    Hi, I have some posts which I have concreted into the ground and I want to form a more decorative top so that soil will not be in contact with the post and water will run away. See the photo. Basically the blue part will be new concrete and I need to bond it to the bass already there. Any...
  7. D

    Foundation Depth

    Hello i am replacing my garage door with a door and a window. Under the window, there will be a brick wall. I am digging a trench. 600mm wide and 1m down... According to the below image, how deep should (c) be? I would have thought 1m foundation means from ground level to bottom.... Is this...
  8. JD2012

    Anchor Brackets for Rhino Shelves Advice.

    I bought some Rhino Shelves a while ago for my bedroom for books. They are all level and built correctly but the seem to wobble. It was suggested to to me to buy some brackets to anchor them to the wall to stop this. I would need to drill holes in the shelves and then the concrete wall. Its...
  9. A

    Damp / wet concrete floor

    I have a utility room with a concrete floor. When it rains I've noticed the floor gets wet. Right outside this room are two drains - one is for the kitchen sink and boiler/washing machine waste trap and the other is for the guttering drain pipe from the utility room. There is also another hole...
  10. M

    Garden brick wall

    Hi there, I’m building some brick raised beds on some concrete footings. I laid the concrete today and was just wondering how long I’d need to leave it before I can start building the wall? Also, how long does a brick wall need to cure before it’s effected by rain? Thanks so much
  11. D

    Flooring - Concrete and Insulation thickness

    Hello My garage floor already is already concrete. I want to put 100mm PIR Insulation and was told to put 50mm screed on top. I need to put a bit more, as in 100mm screed. is this ok or will it be too heavy? Or can i put 150mm pir insulaton and then 50mm screed? Suggest i put on concrete...
  12. J

    Rebuild exterior window surround

    I have an old window which I am getting replaced and in the process of removing some of the timber, the brickwork around the window has crumbled away. Just wondering what to fill this with? I am thinking of building a form and filling in with concrete. Does that sounds sensible or is there a...
  13. E

    Best bitumen paint

    Hi, I’m about to concrete some oak posts and wondered if anyone can recommend some bitumen paint to use on the concreted part? Cheers, Ed
  14. G

    Concrete coarse aggregate size

    I have broken up a solid concrete ground floor and excavated the underlying material (to a depth of around 200mm, level with the footings), to install under-slab insulation. The excavated material appears similar to beach shingle consisting of slightly rounded, mainly flint stones. The largest...
  15. T

    Warm or cold flat roof for concrete deck with overhang?

    Hi, I have a single-skin brick extension with a concrete flat roof from the 50s/60s that I’m getting re-covered. The concrete roof overhangs the exterior by 100-150mm. I’m trying to decide whether to go warm or cold roof. I originally thought warm but now I’m concerned about potential...
  16. S

    Removing concrete patch in suspended timber floor

    This forum has been really helpful in the run-up to undertaking a partial renovation of a Victorian terraced house. I’m intending to sand and finish the pine floorboards in the dining room area, however there appears to be a patch of concrete or similar material in the corner of the room, as...
  17. N

    Preparation for new lawn where concrete was.

    Hi there, I have moved into a circa 1950’s house and my next project is tackling the garden. There was an old detached garage which had the roof removed due to asbestos. I have since knocked this down and removed and begun knocking up the concrete base, the plan being to turf/seed over this...
  18. J

    Concrete floor advice

    Hi, new to forum and seeking some advice/ guidance. I have a concrete floor and have removed skirting. However it appears the concrete floor was poured after the skirting so I have now have a small gap around the perimeter of the room. Deeper than 5mm (so am thinking self levelling compound...
  19. T

    Need help with uneven concrete floor

    Hello, before installing LVT I need to even out the concrete floor but it's difficult how I should proceed.. Should I use self levelling compound or concrete + sand?? Thank you The first picture - 2 to 4mm gap between lounge and dining room The second picture - 8 to 12 mm gap between kitchen...
  20. B

    Starting the foundation

    Hello all, Im just about to venture into finally building a workshop in my little garden 2.25 x 4.55M. Now I have helped build a workshop in the past but it was on a concrete base with access and a much bigger budget than I have. I feel a the hard part is starting!.. I was looking at going the...
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