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  1. #1
    ding ding ding
    Spin's Avatar
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    Bungalow construction, anbody done this?



    Has anybody used these concrete planks in the construction of a single story house, to go above a regular suspended plasterboard ceiling in the roofspace.

    I ask for these reasons.

    1. It would create a proper attic environment for storage space if an access hole (lockable) was installed.

    2. They would be another barrier to lessen heat transfer from rooftile to rooms below. (obviously insualtion would be laid on top of the beams).

    3. Most important reason. Security. Many burglars in Thailand remove a few roof tiles and get in that way. Those concrete slabs would be a real disappointment for them!

    4. The "cold" water storage tank (and maybe the pump?) could be located in there, considering it gets bloody hot in there, it might supply nice warm water for free.

    5. There would be some benefit for sound proofing.

    Feasable?

    Cost per square meter for those beams?

  2. #2
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    dirtydog's Avatar
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    Around 2,000baht per square meter finished price for basically a fake floor or second story.

  3. #3
    ding ding ding
    Spin's Avatar
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    Not too expensive then, for the house plan I've scribbled down so far, about 90 sq meters.

    Would the extra weight create any additional requirement in the spec of beams / posts/ footings over that of a regular bungalow spec?

  4. #4
    Sprayed On Member
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    If it does it would probably be a good thing.

  5. #5
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    get the roofers to weld in some steel joists, screw treated ply on top, or cement fibre board.


    lighter, easier to remove to fix anything, just as much a deterrant for would be burgulars.

  6. #6
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    Fill the attic with razor wire that's a great deterrent.

  7. #7
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    smart thinking Spin

  8. #8
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    Quote Originally Posted by Spin
    Has anybody used these concrete planks in the construction of a single story house, to go above a regular suspended plasterboard ceiling in the roofspace.
    nope. I havent


    Quote Originally Posted by Spin
    Feasable? Cost per square meter for those beams?
    Yes, it's feasible.

    Dunno about the cost.

  9. #9
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by Spin
    Most important reason. Security.
    Unless your house has concrete doors and windows, I'm sure a thief is more likely to enter through them.

  10. #10
    ding ding ding
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    Quote Originally Posted by Norton
    I'm sure a thief is more likely to enter through them
    Doors and windows are indeed the other area of weakness, but they are in my thoughts also, obviously, I wouldn't want to be spending extra money on concrete ceilings and then installing balsa wood doors and toffee glass windows

    I'd want proper hardwood doors with deadbolts that are actuated by key only, they have nice ones in home-pro.

    Windows, will probably have to be upvc as the aluminium ones here look too easy to attack for my liking.

  11. #11
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    Quote Originally Posted by dirtydog View Post
    Around 2,000baht per square meter
    d/d.. have you mistakenly typed in..a extra zero??? from my memory concrete floor slabs as shown in the pic are around 200 to..220 baht a sq metre..plus a additional 500 baht surcharge.. if you the hoist to lift them in position

  12. #12
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    Build a jail, is it worth it? Have you really got that much stuff to lose?

  13. #13
    The Dentist English Noodles's Avatar
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    Quote Originally Posted by splitlid
    get the roofers to weld in some steel joists, screw treated ply on top
    Great reply!

  14. #14
    Member Tomesarn's Avatar
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    I Think your intentions are good and living in a 2-story with the pre-fab slabs above the ground floor does keep it cool most of the year while the upper floor is a lot warmer.
    You'll of course want an access door but sure you've worked that in already.
    and if you're going through all that trouble, why not increase the height of the walls a bit more and make a guest room/loft, office, etc.......and get a good security system with loud siren or install heavy gauge chicken wire on the underside of the roof, tack welded every half meter on the steel rafters.

    just my nung salung's worth

  15. #15
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    Quote Originally Posted by giggs
    d/d.. have you mistakenly typed in..a extra zero
    Nope, if they are just laid in the area they will just break as soon as someone steps on them, I doubt spin would want wooden supports from his floor going up into the roof to support the concret plynths, so a layer of concrete needs to go on top to make it structurally sound.

  16. #16
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    I've got them over my car port.
    Didn't like the way they seem to bow downwards.
    Seem ok though, water tight.
    Wouldn't put a 1000 litre tank on them though.

  17. #17
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    ^Not properly supported when the concrete pour was done most likely.

  18. #18
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    Think my carport is going to fall down.

  19. #19
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    Not very likely, the top pour is holding it all together.

  20. #20
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    Hope so.

  21. #21
    Tonguin for a beer
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    Great idea Spin, you would just be building a two story house without the second story. easy and wouldn't think it would be a huge extra cost and worth it for the reasons stated. I've got them in my kitchen and the guest room under it is very cool all year round.
    Fahn Cahn's

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