Floor that inflates under the sun

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Joined:Mon Feb 20, 2017 1:59 pm
Floor that inflates under the sun

Post by Patricia » Fri Mar 10, 2017 11:21 am

We have a floor outdoors mainly consisting of ciment. When it's sunny afternoon we noticed an inflation that looks like a bump. (A line of four meters in length 50 centimeters in width and 10 cm in height). When the sun becomes less aggressive the floor deflates becomes back to normal.
There was a 4.5 earthquake last year and a water leak (very big) three years ago. The floor is 70 years old and this is happening the first time this summer.

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