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Thread: Steel Structural Insulated Panels (SIPs) - anyone worked with them?

  1. #31
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    I have wired rooms made of cool room panel before, a hot rod soon makes a suitable cable channel in the polystyrene, just make sure you install it in conduit or use the right type of cable


    Steel Structural Insulated Panels (SIPs) - anyone worked with them?Steel Structural Insulated Panels (SIPs) - anyone worked with them?
    1985 110 Dual Cab 4.6 R380 ARB Lockers (currently NIS due to roof kissing road)
    1985 110 Station Wagon 3.5 LT85 (unmolested blank canvas)

  2. #32
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    ATA - Renew / Sanctuary

    Check out the ATA website, I recall a house in Melbourne (possibly Brunswick) being built with coolroom SIPs. Interior looked metallic.

    Either Sanctuary or Renew had an issue in the last year or so that focussed on SIPs for house building but largely the OSB and magnesium oxide ones.

    I was keen to use the insulated and fire-resistant Colorbond sheets when we re-roofed our house but at the time we were told that they couldn’t be used on a gabled roof.
    Arapiles
    2014 D4 HSE

  3. #33
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    Quote Originally Posted by roverrescue View Post
    Scarry


    “I wonder what the Bondor insulation material is,Polystyrene(EPS)”

    According to their website they use
    EPS-FR (fire retardant) so who knows what it is chemically

    S
    Standard,polystyrene,with fire retardant.Been around since Noah was a boy.Not the latest fire rated XFLAM.

    Should be fine, just check insurance.

    As someone said,right type of cables need to be used, or it needs to be in conduit.
    I had to use that special cable for the downlights in the roof of our new deck as it was polystyrene sandwich panel, designed as roof panels.
    You may find on the panels you are going to use, the wiring channels are separated from the polystyrene so normal cables will be fine.

    Good luck with it all.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  4. #34
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    Thanks for the heads up on the plasticizer issues. I take it normal PVC conduit is fine it is just the particular PVC insulation that is the issue?

    Is PVC-free insulated wiring generally available or is it considered an order-in item in the electrical industry?

  5. #35
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    Quote Originally Posted by Arapiles View Post
    Check out the ATA website, I recall a house in Melbourne (possibly Brunswick) being built with coolroom SIPs. Interior looked metallic.

    Either Sanctuary or Renew had an issue in the last year or so that focussed on SIPs for house building but largely the OSB and magnesium oxide ones.

    I was keen to use the insulated and fire-resistant Colorbond sheets when we re-roofed our house but at the time we were told that they couldn’t be used on a gabled roof.
    Interesting that they said that about gabled roof. What angles are you talking about? I have seen a couple of diagrams indicating how it can be done to satisfy the NZ build code. Maybe these are NZ specific or have been developed for residential after the time you were looking. I know the ridge flashing needs to be designed to consider the wind zone the build is located in. In low angles, a wide band of adhesive is also used along the ridge prior to the ridge flashing going on.

  6. #36
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    Quote Originally Posted by windsock View Post
    Thanks for the heads up on the plasticizer issues. I take it normal PVC conduit is fine it is just the particular PVC insulation that is the issue?

    Is PVC-free insulated wiring generally available or is it considered an order-in item in the electrical industry?
    Order in at huge cost,did you expect anything else?

    The stuff we use has orange insulation.Luckily the sparkie we use does a bit at the local meat works so often has some hanging around.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  7. #37
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    Quote Originally Posted by windsock View Post
    Interesting that they said that about gabled roof. What angles are you talking about? I have seen a couple of diagrams indicating how it can be done to satisfy the NZ build code. Maybe these are NZ specific or have been developed for residential after the time you were looking. I know the ridge flashing needs to be designed to consider the wind zone the build is located in. In low angles, a wide band of adhesive is also used along the ridge prior to the ridge flashing going on.
    About 10 years ago, but it seemed odd to me at the time.
    Arapiles
    2014 D4 HSE

  8. #38
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    I’ll check with my sparky re: PVC insulation and polystyrene
    But reality is XLPE insulated wiring isn’t too hard to source (most PV wiring is this) And is not crazy $

    Steve

  9. #39
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    Quote Originally Posted by roverrescue View Post
    I’ll check with my sparky re: PVC insulation and polystyrene
    But reality is XLPE insulated wiring isn’t too hard to source (most PV wiring is this) And is not crazy $

    Steve
    Thanks, I'll have to ask around here too. I am planning on running a conventional 230V AC circuit but as it going to be an off-grid supply, I was also looking taking the opportunity to run a secondary 24V DC circuit in parallel in a few places where I might be able to run DC appliances and lighting.

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