Re: metal siding

Posted by jfp on October 12, 2005 at 15:03:11 from (152.163.101.7):

In Reply to: metal siding posted by memmo on October 12, 2005 at 07:14:43:

There are two reasons why tin has ridges in it. #1 , its easier to handle; #2 it needs an expansion joint. Most people put screws in the flats to make it look nice. The reasons it buckles when nailed or screwed is because of changing tempertures if installed in the ridges. If you put either in the flats on a roof, it will leak in about 5 years of constant expansion and contraction making the hole of the nail gets bigger. For side walls its not such a problem, but a roof is. It will leak without you knowing it until the purlin rots out. You decide and good luck.

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