Joining twinwall polycarbonate sheets

Discussion in 'Landscaping and Outdoors' started by Emma BraveFish, Jul 23, 2021.

  1. Emma BraveFish

    Emma BraveFish New Member

    Hi everyone, I'm sorry if this question has been asked already, I searched but couldn't see anything.

    I am planning on building a small wooden frame and twinwall polycarbonate greenhouse 5 x 5'5 ft. My question is how do I join two polycarbonate sheets please? I will use a glazing bar for the roof, but what do I use for the the walls including the corners? I have seen H sections but the reviews have not been great but I couldn't find anything for joining the walls in the corner.

    Any assistance much appreciated.



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