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Loft Hatch installation

Discussion in 'Floors, Stairs and Lofts' started by MoonMan2, 24 Aug 2021.

  1. MoonMan2

    MoonMan2

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    Having watched a few YouTube videos and examining a loft hatch in one part of my house; I feel confident I could install a loft hatch in another part of my house.

    In looking at the spec for this part of my house, the roof trusses are at 60cm centres. Does this mean the distance between the roof joists 'centers' are 60cm? That would make them fairly standard, for a 56cm width loft hatch to go?

    Next question, I know where I want my new hatch but how would I know where to start, to 'stab' the ceiling in the 'correct' place with the plasterboard cutter? I mean, how do I know for sure I ain't gonna hit a roof joist, messing everything up on first lifting of a tool? There is a light socket in the middle of the ceiling, does that give a clue as to the whereabouts of the joists? I'd like my new hatch to be 'nearish' the light socket.
     
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  3. Keithmac

    Keithmac

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    Joists will match up to trusses.

    I drilled a small pilot hole after using a stud finder. The small hole would suffice.

    Once you're through I used s Sawzall to cut left and right until I stopped at a joist (go carefully and you can feel instantly when you've hit it).

    Once you've got first cut between joists its plain sailing.

    Just make sure you support any cut joists correctly. Not an issue if you are just going between them.

    Most hatches have a 10mm to 20mm overhang underneath to hide the cuts on the ceiling.
     
  4. Keithmac

    Keithmac

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    Make sure you don't chop through the lighting wiring!
     
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  5. JP_

    JP_

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  6. Keithmac

    Keithmac

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    I want to fit one of these, I think I need to move the hatch though as they need a bit of room to swing closed?. How far in does it go when closed?.
     
  7. JP_

    JP_

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    No space needed, the ladder sits on the hatch door.
     
  8. Keithmac

    Keithmac

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    I how high up is it approximately?, would be a real bonus if I could fit one in our original hole!.
     
  9. Keithmac

    Keithmac

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    Is yours a 4 piece ladder?.

    Screenshot_20210825-135650_Samsung Internet.jpg
     
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  11. JP_

    JP_

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    Here's mine - spring loaded, so once unlocked it just drops a little, then easy to pull down.

    IMG_20210825_135507429.jpg

    IMG_20210825_135529007.jpg
     
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  12. JP_

    JP_

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    Yeah, mine is the 68cm wide one, but pretty much the same
     
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  13. JP_

    JP_

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    mine is 2.5m, but they go to 2.8m - you have to cut off the bottom of the ladder.
    They do lots of sizes so you should get something that fits - I had to pad out with a few old 20mm floorboards
     
  14. Keithmac

    Keithmac

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    Sorry I meant the stacked height, looks about 2 foot?.

    I think I can make one of those work in our existing hatch hole
     
  15. JP_

    JP_

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    Ah, I see. No, a lot less than 2 feet. Will measure in a minute ...

    Just under 15 inches
     
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  16. Keithmac

    Keithmac

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  17. Harry Bloomfield

    Harry Bloomfield

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    You can find the studs, by finding the nails/screw heads with one of those rare earth magnets. Mark where it sticks, then the line of the stud should be obvious. The ladders come in various types, some swing up and over in two sections and need clear space height to land - others can fold up just on the door.
     
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