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  • Writer's pictureBona House Materials

What are the quality problems you have encountered for sandwich panel ?

Updated: Jun 5

Firstly, please kindly check the below two pics.



pu-wall-and-roof-sandwich-panel
sandwich panel wall

I believe some of you have the experience of buying sandwich panel and faced the quality problems as the above pics. Wrong handling of the sandwich panel during unload container or carry is a main reason, if you need a right way to handle sandwich panel, you can contact us for an instruction guide of sandwich panel unload and storage.


Except the wrong handling when you unload the sandwich panels, another main problem is the bad glue adhesiveness between core insulation materials and the metal sheet skin. This is the quality problem not good controlled during production and inspection.



We have not received this kind of complain from our customers for our insulted sandwich panels. All our production strictly follows the ISO quality management system, you can see the above video then you will know we have the test and approval inside our factory.

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