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Re-Glazing with polycarbonate sheets - any advice?

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  • Re-Glazing with polycarbonate sheets - any advice?

    I've recently had several panes of glass broken by vandals and have decided to re-glaze half the roof and one side (to start with) with polycarbonate sheet. I've read some posts on this forum and note I should use extra clips and also silicon sealant on the clips.
    Is there any extra precautions I could take that may prevent the sheets popping out on windy days
    Thanks,
    Paul

  • #2
    Paul are you using single sheets or 4mm double glazing sheets.
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    By appointment of VeggieChicken Member of the Nutters club.


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    • #3
      4mm double walled

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      • #4
        Most folk on the vine would recommend sealing with silicone. I personally wedged 3 horizontal canes across the panels & worked for me.
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        • #5
          Originally posted by Bigmallly View Post
          Most folk on the vine would recommend sealing with silicone. I personally wedged 3 horizontal canes across the panels & worked for me.
          This is exactly what I should have done, might have stopped it being blown down

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          • #6
            Personally I would bed it on decent silicone just as you would bed a window on putty.
            Potty by name Potty by nature.

            By appointment of VeggieChicken Member of the Nutters club.


            We hang petty thieves and appoint great ones to public office.

            Aesop 620BC-560BC

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            • #7
              I have always had problems with roof panes being blown/pushed IN on my polycarb greenhouse.

              And when this happens, the wind gets in and then blows the other panes out!

              Anyhow - I personally used loads of clips, and then I siliconed over them. This stops them from sliding.

              And a few months ago I fitted batten struts to the INSIDE of the roof panes. THus preventing panels getting blown in.

              Since doing this we have had extremely high winds here, and I have not had a problem....
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              • #8
                Ok, thanks for all the replies. I made a start today, decided to use silicon to lay the poly onto and use a lot of clips. I'll also seal the clips with silicon once it's completed.

                Paul

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                • #9
                  Just to add to this thread, when using polycarb sheets, it may be wise to seal the ends with greenhouse tape or similar to stop bugs using it as a B&B. I fitted some a few years back and within months, had hundreads of `customers`

                  chaz
                  Girls are like flowers, a little attention every day and they`ll blossom.

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                  • #10
                    Originally posted by cheapskate chaz View Post
                    Just to add to this thread, when using polycarb sheets, it may be wise to seal the ends with greenhouse tape or similar to stop bugs using it as a B&B. I fitted some a few years back and within months, had hundreads of `customers`

                    chaz
                    This is quite true you can get the tape off ebay 2 kinds one for top to let it breath and one for bottom for bugs.
                    Or other way round

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                    • #11
                      The benefit of using an internal batten is that it stops the sheet from bowing/ bending in high winds. Once they bend it makes their length or width smaller. So I would use both silicone and a batten.
                      photo album of my garden in my profile http://www.growfruitandveg.co.uk/gra...my+garden.html

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                      • #12
                        THe batten is also useful for tying up big tomato branches!

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