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Raised attic floor

  • 16-09-2022 9:15am
    #1
    Registered Users, Registered Users 2 Posts: 294 ✭✭


    Hi folks..

    I want to put in some attic flooring just for storage ( suitcases.. Christmas stuff etc etc etc.)

    I want to have it high enough to allow for insulation underneath.

    Any ideas on how to do this on a small budget.

    Thanks



Comments

  • Registered Users, Registered Users 2 Posts: 470 ✭✭Fishdoodle


    How about something like this?

    I have seen something similar in Woodies in the past, but wooden and you'd have to screw them into the beams below.



  • Registered Users, Registered Users 2 Posts: 470 ✭✭Fishdoodle


    You can get similar in Screwfix and B & Q

    I'm looking to do the same thing and adding a layer of insulation. (current layer is not dense enough).

    I wonder if it would be a good idea to discard the old fiberglass insulation that's been there for tears- just to start clean? As far as I understand, if you're getting it done professionally they tend to leave it and put new insulation directly over it.



  • Registered Users, Registered Users 2 Posts: 497 ✭✭Mulbert


    Simple enough job. Get a few 4 or 3 x 2s, lay and fix them in opposite direction to the joists. Lay and attach ply or OSB over them.

    Size to what is needed and what the space allows.



  • Registered Users, Registered Users 2 Posts: 294 ✭✭me4many


    Thanks for your suggestion.

    I want to lay 200mm insulation at right angle to what's there already between the joists. I don't want to compress the insulation.

    Tks



  • Registered Users, Registered Users 2 Posts: 1,466 ✭✭✭monseiur


    Firstly fill the spce between existing joists with insulation to the top or 50mm over to avoid air pockets when it settles, lay new joists say 7'' x 2'' ** opposite direction to existing joists, fill with insulation again slightly higher than joists. Lay flooring grade chipboard on joists. Job done. Ensure that you space the joists correctly to suit size of chipboard - 16'' centres should be near the mark. Also start off every second row of flooring with half a sheet to stagger the joints.

    **The size of the new joists will partly depend on the size of existing joists. The mimimium insulation in your attic has to be at least 300mm so if the existing joists are say 175mm the new joists must be at least 125mm. Aim for 400mm insulation if budget allows.



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