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  1. paulweller84

    Mist coat issue... how bad is it?

    Hi all, I've recently painted two freshly skimmed rooms in my house. The plaster was left over a week to dry (this was in the really warm weather too) and it was clearly dry before I started painting. The plasterer said to mix matt emulsion 50:50 with water for the mist coat. I used Leyland...
  2. paulweller84

    Screws for roof joist straps

    Hi all, I am looking for advice on the best choice/size of screws to attach roof joist straps to thermalite blocks. Another post on here suggested 3"/75mm but only about half of this would actually be embedded into the rawlplug. Is there any benefit of having such a long screw when only the end...
  3. paulweller84

    Kerb edge to drip edge detail confusion (EPDM)

    Hi, I am designing my own flat roof for a 6m extension. The two long sides will have kerb edges and the rear edge will be a drip edge into a gutter. Due to the length of the building the upstands on the corners will be around 100mm, this means the kerb trim and the drip trim will not meet in...
  4. paulweller84

    Full fill cavity to warm roof insulation detail

    Does anyone have a drawing or photo of the join between a brick and block wall with a full fill cavity (100mm wool), connecting to a flat warm roof? I am trying to design the roof for my extension and all I can seem to find are details for cold roof designs and details for parapet roofs. I've...
  5. paulweller84

    Beam and block floor

    Hi all, I am going to be laying a block and beam floor and have been told that I need to use a sand and cement mix to lightly cover the blocks after laying. Is this simply like a mortar mixed at 1:1 ratio? The advice was pretty vague so some greater detail would be useful. Thanks
  6. paulweller84

    Trench fill level too high

    Hi all, I've just finished my foundations and despite making multiple calculations, the confusion of trying to make a block and beam floor meet an existing floor level has somehow left me with a concrete level 360mm below the bottom of the beams instead of 450mm. The plan was two rows of blocks...
  7. paulweller84

    Spec for a low garden wall

    Hi, I am slightly raising an area of my garden which will have artificial grass. I intend to edge the raised area with a low wall. The total height of the raised area is 320mm which I could do with 4 rows of bricks or 3 rows with a half brick soldier course on top. What I'd like to know is, is...
  8. paulweller84

    Retaining wall collapsing

    Hi all, I am looking for some suggestions on what could be done about the problem shown in the attached images. The gardens that neighbour my rear garden are around 1m higher with a retaining wall holding everything back. Over time the wall has started to rotate on the footing and I am...
  9. paulweller84

    Hardcore or stone?

    Hi, I’m looking to widen a parking area by creating a hard standing concrete area where there’s currently a strip of grass. There’s two ways I’ve seen that this can be done. 1. Dig out, line with membrane, fill with big pieces of hardcore/rubble, pour concrete over the top (done this before...
  10. paulweller84

    Ratio for concrete (foundations)

    Hi, I am going to be mixing concrete (using a mixer) which will be used for trench fill foundations. Building control have advised GEN1 or GEN2 which means nothing to me. Can anyone advise on a suitable ratio please, and also explain what type of aggregate is best. Thanks
  11. paulweller84

    Suggestions? (Measuring depths)

    Hi, I am due to start digging foundation trenches very soon, and it will have to be done in sections due to being in quite soft clay. What I'm trying to figure out is: what is the easiest way to ensure the tops of all the concrete foundations are perfectly level with each other, so they all...
  12. paulweller84

    2nd consumer unit?

    Hi all, I am planning an extension and just trying to work out material costs for the electrics. The extension will house a relocated kitchen, which is moving from the front to the rear of the property. My intention is to install a 2nd consumer unit in the rear extension which will be connected...
  13. paulweller84

    Cavity tray or not? Confused by contradictory builders

    Hi, I have been given (by two builders) completely contradictory advice. I am building a single-storey, flat roof extension, and where the roof joins the back wall of the house I have been advised on two methods. 1. Cut a narrow slit across the brickwork to push lead flashing into. 2. Remove...
  14. paulweller84

    Digging alongside neighbour's foundation

    Hi, I'm currently planning a single storey extension on my house and it is my intention to build right to the boundary. On one side this will mean digging footings along the property boundary - right alongside my neighbour's existing extension. I have dug a small hole to check their foundation...
  15. paulweller84

    Concrete Base - Help Required!

    Hi, I've come looking for some straight answers, my research online has left me with many different, confusing and generally contradicting answers. Can anyone give me the definitive answer to my question? I have a 2m x 2m x 30cm hole dug in heavy clay soil, inside of this I have built a wooden...
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