Garage ceiling, choice of materials?

Discussion in 'Builders' Talk' started by lenforder, Mar 30, 2017.

  1. lenforder

    lenforder New Member


    Guys hoping you can help

    I want to smarted up my single garage, I will attempt to get the walls painted summertime but before that want to tackle the garage ceiling.

    As you can see the wooden joints, trusses, what the best way to cover it, a few people have said go for plasterboard and them skim/paint it, which is fine but the garage does get very humid at times (70-90%)

    What I don’t want is the plasterboard going damp, the warping then falling on my car and making a mess.

    What other choice of materials can I use, chipboard, shower board, ?


    Last edited: Mar 30, 2017
  2. Wayners

    Wayners Screwfix Select

    I would treat some marine ply with wood preserver and screw up.
    lenforder likes this.
  3. Wayners

    Wayners Screwfix Select

    Oh. Hire a board lifter £30. Don't half make it easy to put up. And treat roof to with preserver as will help stop any future woodworm.
    lenforder likes this.
  4. lenforder

    lenforder New Member

    Thanks Wayners, would it be fireproof too? or is it best to stick to damp insulated plasterboard ??
  5. Wayners

    Wayners Screwfix Select

    You could use the pink fire plasterboard. Tape joints and paint. Building regs say double layer standard board or 1 pink fire board. Your not under regs though so you can use what you want within reason. Think I would use a thin ply over and duck tape joints then overboard with pink fire plaster board Tape joints/fill screws and paint. The ply is to protect the back of board as you will be bunging stuff up there, and stop damp.. Others may suggest something else.
    lenforder likes this.
  6. lenforder

    lenforder New Member

    Thanks Wayners, would you suggest boarding on top of the joints, then pink plasterboard up on the joints, I wont be using it for storage or maybe insulate it with loft rock wool ?
    My main concern is I dont want it all breaking and crashing down after a while with the damp, also will look install an air brick of some sort for ventilation in the garage for air circulation.

    Also do i need to think about ventilation above the joints before everything is boarded up, as you can see from the pics there is no vents or air circulation (there will below the boarding though)
  7. Wayners

    Wayners Screwfix Select

    You could drop a few more timbers in and noggings. Be stronger and more support. Pink board will be fine.
  8. Astramax

    Astramax Super Member

    You must be very wealthy if Marine Ply is in your budget!:eek:
    chippie244 likes this.
  9. chippie244

    chippie244 Super Member

    WPB will be fine.
    Astramax likes this.
  10. DIYDave.

    DIYDave. Screwfix Select

    It's a garage for storage

    OSB 3 would be more than suitable
  11. lenforder

    lenforder New Member

    I wont be storing things in there apart from my car
  12. lenforder

    lenforder New Member

    Can anyone advise if its worth getting plasterboard with in the insulation built into it, ive seen ones which are 15mm thick, will this suffice or normal pink one be ok or even the foil backed one?
    decisions decisions...
    Last edited: Jun 11, 2017
  13. Wayners

    Wayners Screwfix Select

    In my garage I have pink boards with chicken wire then rock wool. The chicken wire holds the rock wool after the fire has taken down the board. That's what I was told to do. Skimmed board and used that incandescent mastic around the edge.

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