I did this on a 1997 trailer home. Over shingles with screeds. R panel, galvalume. House is much cooler too. Shingle folks said don't do it, that the roof needed to breathe. BS
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Metal Roof.. Am I crazy????
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Metal Roof.. Am I crazy????
I'm no expert but have put on a couple metal roofs. You should have no problems if a few considerations are done correctly. Putting your stringers on the right length apart. All depends on thickness of sheeting. Second is to make sure when you put stringers on that they go into the structural support members of the original roof. Use long deck screws. Third is to make sure the first metal panel is square with your house since the reveals at the edge will show. You can get out of square or adjust but each sheet is like 1/16-1/18 increments. Make sure you order panels precut to correct size. There is a tack strip to join the panels together to keep panels together. Fourth have a ridge vent as you will be capping last. Before capping bend top of the flat areas 90 degrees from ground with bull nose pliers. This helps a lot to keep rain water from being blown over the ridge cap. Predrill laps on sheets where they lap. When screwing down the sheets don't over tighten or burn the rubber gasket.
Three people should be plenty to do this in two days. One person on the ground and two up top.
IMO the these are the most important factors.Last edited by triple_duece; 06-07-2017, 04:00 PM.
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Originally posted by Shake N' Bake View PostI'm planning on putting the roof up the weekend of July 8th and 9th.
Couple more questions.
Between the ridge and the eve how far apart should I space the 1x4 Stringers?
Should the 1x4s be treated?
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Originally posted by Shake N' Bake View PostI'm planning on putting the roof up the weekend of July 8th and 9th.
Couple more questions.
Between the ridge and the eve how far apart should I space the 1x4 Stringers?
Should the 1x4s be treated?
Check out his video...it doesnt say spacing but you can get the idea.
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Originally posted by Shake N' Bake View PostI'm planning on putting the roof up the weekend of July 8th and 9th.
Couple more questions.
Between the ridge and the eve how far apart should I space the 1x4 Stringers?
Should the 1x4s be treated?
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I don't know how many I've done on trailers. It's easy man, just take your time and measure ahead on every sheet. Make 3' center mark at the top and bottom and cheat the sheets ahead or back as needed. As mentioned, use standard #2 1x4's and not treated. Screw them down with 2" deck screws so that it goes through the 1x4, and all the way through the decking. Use 2" again on the roof screws. Cinch them down until the neoprene washer expands but don't over tighten. If and when you do strip one, mark it with a pencil and put come silicone caulking around the screw head. One step that a lot of people don't do is sweep the roof when you're finished. That'll get the small metal shavings off and keep it from rusting around the screw head and causing potential leaks in the future. If you're using R panel DO NOT forget the seal tape on top of the highs at the laps.
The biggest issue that you'll likely face is cutting out around the vents in the roof. Measure several times and take your time when you cut with snips. Caulk around it when finished. Take a piece of the cut off tin to Lowes and match it as close as you can and paint the caulking.
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Originally posted by mmoses View PostDid you ever do this?
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