rust between sheets of corrugated roofing | Ask The Experts Forum

Raymond Ryan 3/18/2010	I am planning to roof an outbuilding with used corrugated 'tin'. The used sheets I have are so thin that they buckle when stood on. I was planning to just double layer it to provide more strength. However, a carpenter advised against this, saying that bad rust would form between the sheets. I don't see how that would happen if no water gets between the sheets. What do you say? Thanks.	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/14572/find/
Eric Novotny An informed customer is the Best Customer! 3/19/2010	Items will rust in the absence of bulk moisture (i.e. rain). If the substrate is subject to oxidation, you will get that between the courses of panels as a result of atmospheric humidity and an inability of the space to dry to outside.	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/14573/find/

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