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Marquee PVC can stretch over time
I remember being at a country fair watching two lads fit some signs on to the top of a large marquee. The marquee was about 30m wide and these two guys were walking along the ridge (about 10m up) making sure they trod and bounced on the PVC roof sheets as they went along. The point of this post isn’t to wonder exactly what their risk assessments were but to point out that marquee PVC stretches no matter what size you use.
So what can you do about it?
Well, essentially it’s making sure the PVC is always taught. Roofs that use ratchet straps will simply ratchet up slightly more over time. Roofs that use bungees (like ours) may need replacing as time goes on.
The whole reason we use bolts to hold our pipes in place rather than push buttons is so they don’t have to locate in the same place every time. If your roof has stretched over time then you can pull the pipes a little out of their sockets before tightening up – that just makes the framework a little wider and stretches the roof a bit tighter. It should mean your marquee lasts longer.
Thanks for reading