Hi,

The underside of my condensation-protected roofing sheet is completely damp, and water is running down where it meets the wood. It's foggy outside now, but should it really be like this if there is condensation protection on the sheet?

If you hold your hand under the sheet, you can feel how wet it is. The water isn't coming through the screw.

It's T130M from Rukkii.
 
  • Wooden beams under a corrugated metal roof with visible moisture. A plastic container and tools are on the ground near the wall.
  • Metal roofing sheets with wooden beams underneath, visible signs of moisture on the beams, suggesting condensation issues despite protective measures.
  • Metal roof panel with visible corrugation in a workshop, showing a construction vehicle below and wooden frame walls on the side.
  • A gray building with two windows and a large open door, showing a yellow tractor inside, surrounded by gravel and some outdoor gear.
Rickard.
In what way is it condensation-protected? Can't find any information about it on the website.
 

Best answer

Now the images are too grainy when zooming in on the underside of the roofing sheet.

Is the roofing sheet rough on the underside?

This doesn't prevent condensation from forming, but it does reduce the risk of water droplets forming and dripping "everywhere."

How much ventilation is there?

The condensation that forms must be ventilated away, otherwise, large water droplets will form.
 
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Tjrex and 1 other
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Doesn't feel so strange that moisture is seeping in with open ground and a cold metal roof.
 
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