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Old 18th Mar 2017, 12:37 pm   #7
stevehertz
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Join Date: Sep 2011
Location: Rugeley, Staffordshire, UK.
Posts: 8,809
Default Re: Cheap display rack/shelving

Quote:
Originally Posted by high_vacuum_house View Post
Although it seemed strong I put it in the loft with empty project boxes, boxes of components plumbing fittings and loudspeakers and after a few weeks went up in the loft to find it had started tipping up and was near the point of collapse. The structure had started to parallelogram. It was lucky that it came to rest on one of the sloping roof timbers or it could have gone over altogether.
Before I got to poignant point in your post, I was just thinking that it was due to the extra heat that you get in a loft during summer. Warm plastic does go softer and hence less able to hold heavier objects without bending and ultimately - if the load is enough - collapsing.
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