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how to join polycarbonate sheets?!?!


 
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koolkev1

from United Kingdom

Joined: 05 Mar 2011
Posts: 3
Location: London,
United Kingdom

PostPosted: Sat Mar 05, 2011 4:28 pm Reply with quote

I've started a project of making greenhouse but being an amateur in DIY, I was looking for help on how to join the sheets together? Glue is not an option but is there some sort of "fitting strips" a bit like laminate flooring?
if so please let me know!
thank you
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Mw Roofline

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PostPosted: Sat Mar 05, 2011 7:58 pm Reply with quote

You usually buy galzing bars for twinwall polycarbonate. How thick is the poly and where exactly are you doing the joins?
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Mw Roofline

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PostPosted: Sat Mar 05, 2011 7:59 pm Reply with quote

glazing*
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koolkev1

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PostPosted: Sat Mar 05, 2011 8:36 pm Reply with quote

they are 10mm depth, 2.5m length, 0.7width
and on the edges?
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Mw Roofline

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PostPosted: Sat Mar 05, 2011 9:17 pm Reply with quote

Instead of a thick glazing bar you could use plastic H-section running a bead of glazing silicone along the section before you slide the poly into it. Proper glazing bars are better though.

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koolkev1

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PostPosted: Sun Mar 06, 2011 4:20 pm Reply with quote

ohhhh i see icon_smile.gif
thank you very much!!
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big-all

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PostPosted: Sun Mar 06, 2011 11:14 pm Reply with quote

you will need intermediate support for the poly without proper bars at at least 2 points along the 2.5m length and maybe only 1 with proper bars but you need to consult the manufacturers requirements and off course the good advice from people here icon_biggrin.gif
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hillw

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PostPosted: Mon Mar 07, 2011 12:43 pm Reply with quote

You need to make sure you use a silicone that is suitable for use with Polycarbonate, not all are.
There is a product called fixall, which will stick and seal if you choose to go with the cheaper H section rather than a proper glazing bar.
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Mw Roofline

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PostPosted: Mon Mar 07, 2011 6:45 pm Reply with quote

hillw wrote:
You need to make sure you use a silicone that is suitable for use with Polycarbonate, not all are.
There is a product called fixall, which will stick and seal if you choose to go with the cheaper H section rather than a proper glazing bar.


Our Ford transit bumper is stuck on with fixall. It's blimmin' marvellous aint it?
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hillw

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PostPosted: Tue Mar 08, 2011 7:16 am Reply with quote

thats the best use yet of it though!!
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