concrete

  1. O

    Porous Concrete Issues .... Advice Needed.

    Hi Peoples. Its been a while. Was hoping to get some help. I am nearing the end of a personal job to build an gym/pergola/man cave/glorified shed. 6x3 structure, consisting of 3M 100mmx100mm posts that sit in metal shoes, that sitting in a concrete foundation. Im not a tradesmen so just learnt...
  2. B

    Alternative to themalite for inner cavity leaf

    Hello, Im having an extension built and didn't want to suffer any issues with hanging Mirrors/tv's etc internally - is there an alternative block than the 3.6n thermalite block? Are there any downsides to an alternative?
  3. B

    Which beam and block to use

    I need about 40sqm of beam and block flooring - which product should I go for. As a price guide , for supply only the range is from £900 to £1500. What's the difference in the products, they all seem to be made in the same way?
  4. D

    C35 concrete mix... what is the right mix ?

    Hi , I have to mix a strong mix for foundations for a steel beam post. The initial foundation is going to be about 60x60 and at least 100 cm with some vertical bars. I have been advised to achieve C35 strength I have been online trying to find the correct mix for the cement, sharp sand and...
  5. M

    Concrete Foundation Footing Concerns

    Here in Washington state. Just had a footing poured, they will be pouring the stem wall next Tuesday. I don't have a lot of experience with footings so not sure if what I am seeing is something to be concerned about or not. Please let me know what you think. Noob Concerns: 1. Some cracks...
  6. J

    Type 1 MOT + sand instead of ballast for concrete?

    Im looking for some advice. This weekend I'm going to start laying a new drive way and patio area. I have dug out what is needed and I'm due to get a few tonnes of type 1 MOT and a few tonnes of sharp sand delivered tomorrow for the base before putting block pavers on it. My question is, can I...
  7. B

    Concrete Sections Garage Conversion

    Hello, I have been meaning to post these photos for a while. The weather is nice to start a project like this. I did a lot of searching online prior to starting my project and I found very little. This is my DIY Standard sectional concrete garage converted for use of utility room. It's nothing...
  8. S

    Poured Concrete vs. CMU Block for Small House

    Hi all - I am interested in doing a small two story guest house in our backyard - about 400sf. The design will be basic and a little more modern with a flat roof, two levels with about 200sf each floor. . I would like to have some of the exterior walls be either constructed of poured concrete or...
  9. J

    Shed base advice

    Hi All, There is a corner of my small back garden (see pics attached) that never gets any sun, strange as the previous owners decided to put a greenhouse in it. I'd like to build a shed in it, nothing fancy just good enough to store tools, lawnmower, etc in. Thinking it might be roughly 6x4...
  10. J

    Sloping gargae concrete floor - level before or after insulation?

    Hi everyone, We have bought a house with a converted internal garage. The floor is concrete and on a slope (as it would be for a garage I guess). The fall is about 55 mm over 4.5 m. The floor is about 200mm below the rest of the house, so the plan is to lay insulation board (Celotex or similar...
  11. [Alex]

    Identifying garage wall materiel

    Hi all, just wondering if anyone could help identify the building materiel used for this garage wall? It appears to be some sort of sheets/panels stacked and supported by pillars at the sides with bolts holding them in place. The panels are about 1 inch thick and the brick pattern on the...
  12. S

    French Doors Lintel

    I've fit new french doors, uPVC ones. when i removed the old timber frame patio doors i noticed that there didn't appear to be a lintel on the outer brick wall, only a concrete one on the inner block wall. I can see that the brick work above the doors sags a bit in the middle, it was like this...
  13. A

    Concrete vs. porotherm bricks

    Hello all, I've just registered to ask a particular question which I'm not sure this is the appropriate forum to ask, but here it is. I'm planning on buying an apartment which is currently under construction. There were 3 apartment buildings build in 2008 and a 4th being built right now (same...
  14. P

    Outdoor concrete floor

    Hi. Hope someone can give me some advice. I've recently had a concrete floor laid in my garden so that I can put a log cabin on there. The floor is concrete and finished off with screed. Soon after the floor was finished, it rained and has continued to rain for about a week. Because of the...
  15. L

    Crumbling concrete floor

    I live in a first floor flat and the entire place has flooring that is part wooden boards, part concrete. Throughout the flat, the concrete has started crumbling. I'm looking to re-carpet the entire place this summer but obviously want to sort out the issues with the concrete beforehand. Is...
  16. M

    Tiling onto uneven concrete/bitumen floor

    Problem: Tiling a kitchen floor. Half is covered in bitumen (from parquet floor). Half is a new concrete slab. There is a 35mm level difference across the floor and is fairly lumpy. Possible solution No.1?: Use latex self-levelling compound such as arditex na. BUT: I am slightly worried...
  17. J

    Concrete Screws

    What length of concrete screw would I need in order to secure a 37mm batten onto a concrete ceiling which has a 10mm layer of plaster on it? The battens are required so that I can dry line the ceiling to cover electrical trunking following a rewire. Thanks Mike
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