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Welding perspex roof


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Hi all,

 

my friend built a kind of lean to using timber and roofed it with perspex during lockdown. He didn’t lap the sheets of perspex and butted them up to each other, and sealed with silicone. It has started to leak.

 

can perspex sheets be welded together to create a seal? Would this be cost effective? 
 

thanks

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10 minutes ago, OldieNewbie said:

can perspex sheets be welded together to create a seal

You should be able to weld, but it is likely to look awful. No idea how you would go about it.

 

Would be better to look a some butt joint seals.

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  • 2 weeks later...

Did he get some 2nd material cheap? Otherwise it was probably polycarb. If really perspex / acrylic, then look up instructions for making fish tanks. If polycarb, maybe there’s some kind of rubber / plastic beading that can be glued over the joints. Else +1 to silicone.

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