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how to insulate the top of a shipping container??

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  1. #1
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    Default how to insulate the top of a shipping container??

    i have a 20 foot container that i want to insulate the top of to stop the sun heat radiating through it, what are some ideas for this?? so far on a 30 degree day im getting 44 degrees inside.
    it is at the back of the place, big tree behind it shading the rear of it and the top after 4pm and a fence shading the side and another container shading the other side and only the top gets the full sun for most of the day.
    dont want to spend too much on it

  2. #2
    4K Club Member Marc's Avatar
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    Make a wooden frame to sit on top of the container. You can use recycled framing timber for that, and screw second hand roofing or colorbond fence sheets on the frame.
    Science is never settled,
    it advances one funeral at the time.
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  3. #3
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    Like Marc said. an external shade/secondary roof would be better "insulating" factor than internal. Stop the solar load before its even hit the steel roof

  4. #4
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    Commonly referred to as a tropical roof.
    Very popular on onsite caravans.
    Great for insulation

    However, far from a good idea in Cairns during cyclone season.

  5. #5
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    yeah thats what i thought may be the best way, an airgap stopping the heat getting in, i will do that thanks.

  6. #6
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    If you wanted something light, you could use a 70 to 90 % shade cloth in a light weight tropical roof. Just make sure its secure enough to cope with the cyclones.

    20mm RHS or angle made up into a frame, with 4' to 6' legs for a nice air gap and welded to the top would be plenty secure and reasonably cheap.
    stretch and secure the shade cloth with metal/wooded battens on top screwed to the frame. Should be able to take a hammering each cyclone season for many years.

  7. #7
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    Quote Originally Posted by Bart1080 View Post
    If you wanted something light, you could use a 70 to 90 % shade cloth in a light weight tropical roof. Just make sure its secure enough to cope with the cyclones.

    20mm RHS or angle made up into a frame, with 4' to 6' legs for a nice air gap and welded to the top would be plenty secure and reasonably cheap.
    stretch and secure the shade cloth with metal/wooded battens on top screwed to the frame. Should be able to take a hammering each cyclone season for many years.
    yes that is another good idea.

    was also looking at this, or something simlar?
    glue these panels on top of it, what you think of this?
    https://www.nogapinsulation.com.au/b...rd-insulation/

  8. #8
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    Even better than a single layer Tropical roof in 90% is a double layer using somewhat lighter shadecloth but that does increase the cost.
    Foilboard and other similar products are very good but they do require an airgap to work properly. Also such LW product needs a frame to keep it in place and a way of securing it in windy weather, strong mesh on both sides may be enough if the holding frame was strong enough
    "A big boy did it and ran away"

    Legal disclaimer denying responsibility to be inserted here.

  9. #9
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    ok shade cloth seems the go

  10. #10
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    Shade cloth works best if installed at an angle, this allows for better airflow and getting any hot air to get away, look at the tent roofs placed over the resort at Uluru for one way to install the shade.
    "A big boy did it and ran away"

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