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can you use rawl bolts on cavity walls

  • 27-10-2014 5:45pm
    #1
    Registered Users, Registered Users 2 Posts: 887
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    a bit of a stupid question but can you use rawl bolts on a cavity wall? or will the bolt have nothing to grip onto to?


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Comments

  • Closed Accounts Posts: 1,921 onyerbikepat
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    Not ideal, I'd say. Can you put a plate with holes at the back of the wall and use long bolts and clamp from both sides? What are you fixing?


  • Registered Users, Registered Users 2 Posts: 7,920 freedominacup
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    mengele wrote: »
    a bit of a stupid question but can you use rawl bolts on a cavity wall? or will the bolt have nothing to grip onto to?

    Is the wall already built? If not you could put some 6" solids into the wall at the points where you need to mount troughs or gates.


  • Registered Users, Registered Users 2 Posts: 887 mengele
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    Is the wall already built? If not you could put some 6" solids into the wall at the points where you need to mount troughs or gates.

    yes wall already built. need to hand a piece of iron off it if I can


  • Closed Accounts Posts: 1,984 Miname
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    If you haven't plastered them and can see the joints if you keep slightly to one side the block will still be solid. Drill a hole and pump in some hilti fix and push in threaded bar. It will be set in twenty minutes and you could build a house off the bar.


  • Registered Users, Registered Users 2 Posts: 5,891 Bullocks
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    It depends on the length of the hilti fixing if they are only small ones they will be grand into a 4" block .
    The Chemical anchor and threaded bar is a good fixing aswell .


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  • Registered Users, Registered Users 2 Posts: 887 mengele
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    Bullocks wrote: »
    It depends on the length of the hilti fixing if they are only small ones they will be grand into a 4" block .
    The Chemical anchor and threaded bar is a good fixing aswell .

    would the coop have this chemical anchor or is that specialised stuff?


  • Closed Accounts Posts: 1,984 Miname
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    mengele wrote: »
    would the coop have this chemical anchor or is that specialised stuff?
    Probably would, it's also known as Chem-set or hilti fix.theres a mixing nozzle on the tube and you pretty much get one go to use all the tube so have all the holes drilled.


  • Registered Users, Registered Users 2 Posts: 918 RoscommonTom
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    It depend on how heavy the bit of metal is, if shes too heavy the wall .ight not be able to take her weight


  • Registered Users, Registered Users 2 Posts: 2,685 Cavanjack
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    mengele wrote: »
    a bit of a stupid question but can you use rawl bolts on a cavity wall? or will the bolt have nothing to grip onto to?
    I have found it a waste of time if its anything heavy i was fixing. The only job is a threaded rod going right through the block with good washers each side.


  • Registered Users, Registered Users 2 Posts: 918 RoscommonTom
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    Cavanjack wrote: »
    I have found it a waste of time if its anything heavy i was fixing. The only job is a threaded rod going right through the block with good washers each side.

    Do these cause a lot of mess to the plasterboard,


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  • Registered Users, Registered Users 2 Posts: 2,537 J.O. Farmer
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    Do you mean the cavity wall of a house with a 4" block a space and another 4" block as opposed to a wall built with cavity blocks.
    I think most were thinking cavity blocks that might have been used in a shed.
    If the wall is 4" thick you'll get a 4" rawlbolt in there. How heavy is what you're hanging though. It may still make a mess of the plasterboard. You can get plasterboard fixings and they're fit to hold curtain rails and radiators if you get the right ones.


  • Registered Users, Registered Users 2 Posts: 2,685 Cavanjack
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    Do these cause a lot of mess to the plasterboard,
    I presumed the job was in a shed or some sort of out-house. Yeah it would damage plaster board if you tightened it too tight.


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