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I am planning on installing a standing seam metal roof on my house in Maine. Some contractors use a ridge cap and some bend the metal over the peak and to one side. I am not sure the purpose of the ridge cap and if I should go only with a contractor that uses a ridge cap. My assumption would be that the ridge cap would aid in the air circulation under the roof and be cooler in the summer?
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I want to re-roof my house with corrogated steel vs other types of steel, primarely because of cost. Beside exposed screw heads, is there any other downsides to this type of steel? A primary concern regardless of material is the valleys, is corrogated as easy to get good valleys compared to other metal types?
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With most standing seam systems, the ridge cap can be vented in one way or another. Particularly if the home has vents in the eave soffits, a ridge vent can be a very effective way to avoid the build-up of heat and moisture in the attic space.
Perhaps someone else will correct me on this but I am not aware of any manufacturers of standing seam metal roofing who suggest any ridge closure method other than some sort of termination and a ridge cap (vented or not). There are shingle systems which are terminated at the ridge by bending the last course of panels over and then applying a decorative cap but, again, I am not aware of this being done with standing seam.
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The valleys used with corrugated panels are the same as for other types of through fastened panels. The thing that you would need to be especially mindful of is the flute area of the panel. This would need to be sealed off with some type of material to keep out birds, bees, and other critters.
Actually, the cost diferential between other through fastened and corrugated sheets may not be that much, while the installation problems can be minimised.
6/3/2002
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6/4/2002
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6/4/2002
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