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  1. J

    how much grit sand do I need for floor screed

    I am about to screed my extension floor dimensions are 4.8m x4m x 6.5cm how much grit sand and cement do I need please as the calculators online seem do differ significantly.thanks in advance for all posts recieved.
  2. J

    please help with rafter sizes

    hi all I'm currently building a new extension and I'm trying to work out the size of Rafters using the trada tables and I am being completely blind or stupid or possibly both. The measurements are as follows: Rafter Span = 4300 to external wall Rafter spacing = ? rise =...
  3. J

    what size rafters should i use please

    hi all I'm currently building a new extension and I'm trying to work out the size of Rafters using the trada tables and I am being completely blind or stupid or possibly both. The measurements are as follows: Rafter Span = 4300 to external wall Rafter spacing = ? rise = 1100mm Pitch...
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