Corrugated roof puddling over Pergola

Old 05-08-19, 04:09 PM
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Corrugated roof puddling over Pergola

Hey there, so I put suntuf coregated panels on top of my pergola yesterday. Today got a huge storm and noticed it puddling in the center, where one of the cross beams is sagging. I have little funds to fix the pergola right now, but was wondering if I could run a 1x4 under the roofing, above the pergola, where is it pooling? I know it's not ideal, but it's a small pergola, and hoping for a quick fix.
Also, is it possible to caulk a sealant between the panels?
Thanks so much for any help!
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Last edited by PJmax; 05-08-19 at 06:05 PM. Reason: added pic from link
Old 05-09-19, 05:15 AM
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If that's all you can do then I guess that's what you go with.
Old 05-09-19, 06:38 PM
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Clear silicone might work, however, it appears to me that your ribs are going the wrong way. The ribs should follow the downward slope.

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