Calculating floor joists

Discussion in 'Carpenters' Talk' started by AJones88, Dec 28, 2020.

  1. AJones88

    AJones88 New Member

    In the new year I have to replace the entire floor in the front parlour of my Victorian Terraced house. The current joists that are there are 7x2.5 inches and 161 inches long.
    I have tried looking online and finding the exact size of joists are difficult, can anyone recommend any help to calculate how many joists I'll need and on centre separation .

    If it helps the length of the room is
    161 inches and width 140 inches

  2. Severntrent

    Severntrent Screwfix Select

    Google NHBC floor joists

    63 x170 at 400 centres of C24 wood would appear appropriate.
    Last edited: Dec 28, 2020

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