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    Insulating behind fascia board in between joists

    Hi all, I've just done my first flat roof and I've left noggins to pick up the Fascia's where the joists run parallel to the wall. The joists overhang at the front also for the fascia. The brickwork is two course higher on the outside so I could have a smaller fascia board by the time the warm...
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    10 x 2 joist centres for flat roof

    Hi all, I'm putting 10 x 2 joists in for a flat roof. The span is about 3m from wall plate into steel and then the same out of the other side of the steel to the fascia. The steel section is 254 tall so I've gone for 10x 2 to give a flat roof and a flush ceiling. Can anyone advise on the...
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    Large flat roof. Best covering options?

    Hi all, I’m having a flat roof on an extension I am building and the area is approximately 8m x 6m - 48m2 (not taking into account the skylights) please can anyone recommend a roofing system that’s suitable for large areas such as this. It will be visible from the upstairs windows but I...
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    steel column fixings to concrete pad fondation. help!

    Hello, I’m just about to fit some steels on my self build extension extension and I have the following questions- Do I need to use any kind of dry pack mortar or can I bolt straight down onto the pad foundation I have laid. It’s pretty flat as I levelled and smoothed it of after pouring...
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    Solid wall lintel type

    Hi all, I'm currently removing some patio doors to shorten the opening height to allow for double doors and a wall plate for a flat roof which will run across the sagging soldiers. I'm going to add a lintel as there's no external one at present (1930's semi). I just wanted to know if it's OK to...
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    Wall plate needed?

    Hi all, I'm currently self building a single storey extension and I'm wondering wether I need a timber wall plate or not. Can I just run the timbers over the blockwork and brick and use restraint straps as pictured? My timbers are running the steels to give a flat ceiling and in years to come...
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    pouring a concrete slab to an extension before or after weather tight.

    Hi all, I’m currently self-building an extension to my property. I’m adding an 8m x 6m single storey extension with steel work to possibly take a second storey in the future (when I win the lotto!) I’m wondering can I put the concrete floor slab, insulation and screed in once the roof is on...
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    Can I build internal leaf of cavity entirely of blocks

    Hi, I'm building an extension and was wondering, can I build the internal leaf entirely of blocks. 7n below ground up to dpc and 3.5n above. Also do I need two course of blues on the inner leaf? I was thinking 9 course of blues outside (ground slopes away a tad and nearly all are visible) and...
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    Foundation depths from ffl or gfl lowest point

    Hi, I'm building an extension to the rear of my property and the ground is about 400mm lower from one end to the other as it slopes away. This gives me 600mm below the top blue (dpc) at the lowest point. Do I then have to go down 1metre below this to dig my trench footings or is it 1m below ffl...
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    1920's chimney breast, suspended floor hearth construction

    Hi, I'm renovating my house and decided to replace the floor joists as they were bouncing. They were also rotten in my other room. I'm going to insulate in between them all and relay new floorboards. There was a lot of debris (sand, rubble etc) below the floor with I have cleared out. All the...
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    Soldiers dropping above window. No lintels??

    I'm looking at buying a 1940's 3 bed semi solid brick. The soldiers above the window are dropping and need sorting out. The plasterboard to the soffit of the reveal inside is sagging and feels moist. I imagine weather is seeping through here causing that. What kind of lintels would you use for...
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    Tiling in a ply lined shower enclosure

    Hi, I tiled my bathroom 3yrs ago and where there are stud walls I used wbp ply to line the walls then sealed with a Pva bond and tiled on to it. My shower cubicle falls in the corner of the two stud walls and up until now has been fine. The other day I noticed the grout on one of the tiles at...
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