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Joined: Oct 2005
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Ambassador Field Correspondent Lunker
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Ambassador Field Correspondent Lunker
Joined: Oct 2005
Posts: 6,934 Likes: 2 |
Steel costs spiked upward like a bandit last year, then dropped like a rock beginning in September/October '08. Earlier this year, prices were dead-flat at the bottom. This past spring would have been the ideal time to buy. Right now, pricing is moving back up at a pretty good pace. It is very difficult to see what's gonna happen in the future due to the whacky economy (and the whackier steel mills, who operate like an iron based OPEC). The point tho, is that it appears that if you are going to make a metal roof purchase within the next 6 months or so, do it sooner than later.
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Joined: Feb 2008
Posts: 31
Lunker
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Lunker
Joined: Feb 2008
Posts: 31 |
We recently bought metal roofing for a pavilion we are building. This was the Galvalume (not colored) and R panel (exposed screws). It was fairly heavy duty 26 Gauge thickness. They cut it to our specified lengths. The cost was about 60¢ per square foot.
Some of the suppliers we checked would not provide it to our specified lengths, which would have caused waste, and increased the effective cost per sq. ft.
I re-roofed my house with the same type metal roofing 3 years ago. Shortly after that we had a major hail storm and I did not find any signs of damage, while many shingled houses had roofs replaced. Our next house will definitely have the metal roof.
"If it is to be, it is up to me"
10 acre Lake in the middle of 62 acres
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Joined: Feb 2005
Posts: 4,025 Likes: 1
Lunker
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Lunker
Joined: Feb 2005
Posts: 4,025 Likes: 1 |
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Joined: Oct 2005
Posts: 6,934 Likes: 2
Ambassador Field Correspondent Lunker
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Ambassador Field Correspondent Lunker
Joined: Oct 2005
Posts: 6,934 Likes: 2 |
The "G" rating is important. It describes the amount of galvanized or galvalume coating on the metal. A G-90 is normally the min (meets specific ASTM spec). It means .9 ounces of the coating per sq ft of the steel (total top & bottom). Galvalume (55% aluminum and 45% zinc) is the superior for a residential roof, but is lousy for ag. buildings due to adverse interactions with animal waste (and other reasons that I cannot recall). It is also typically more expensive than the galvanized roof. That's not to say that a galvanized roof is garbage. There are claims that the galvalume roof will last many times longer than a galvanized roof. A good galvanized roof should last 40+ years. For me, that time frame is plenty. Besides....the paint will likely begin to fail on either product before the steel integrity does. I am right now researching and planning to purchase a metal roof for our garage/apartment project. We are opting to the painted galvanized roof that Menards offers. The coating is G100 (heavy duty coating) and carries a great warranty. I also expect that Menards will be around down the road....in the (hopefully) unlikely event. It is about $1400 cheaper than the comparable galvalume product and is an installation that I am already familiar with so I can handle it. Thickness of the metal is another story. When they start talking about gauge of the steel, always refer to the actual metal thickness before the coatings are applied. .016" - .018" is normal and acceptable for residential applications. - This is all info that I have recently found during research. If I am off the mark on anything, I encourage a tune-up from any of the forum members.
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Joined: Jul 2006
Posts: 7,615 Likes: 5
Ambassador Field Correspondent Lunker
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Ambassador Field Correspondent Lunker
Joined: Jul 2006
Posts: 7,615 Likes: 5 |
Brettski knows his heavy metal.
JHAP ~~~~~~~~~~ "My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives." ...Hedley Lamarr (that's Hedley not Hedy)
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Joined: Apr 2004
Posts: 705
Lunker
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Lunker
Joined: Apr 2004
Posts: 705 |
... Standing seam is the nicest and most expensive..... The metal roof systems with screws exposed are much more affordable ..... That's the difference. The builder was using a standing seam roof in his rough numbers. My only point of reference is an exposed screw roof I had put on my tractor barn.
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Joined: Jan 2005
Posts: 1,239
Lunker
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Lunker
Joined: Jan 2005
Posts: 1,239 |
Rob check out this link it will explain a lot. Not sure who sales metal roofing in your area but this company is big around these parts. http://www.muellerinc.com/roofing/index.phpThere are many more as well. As for your question standing seam is designed so that no hardware is seen or exposed. Each sheet interlocks with the next and covers the screws holding it. Standing seam material is generally sold in rolls and is brought on site and cut and formed on the job site with a special machine. The other metal roofing systems have various cross sections you can go with. The sheets can be purchased pre cut to specific lengths. As Bski noted you can get the metal in galvalume or painted. Painted is almost double the cost of galvalume I belief haven't purchased any in several years. Mueller’s has a product called AP panel it emulates standing seam but like all the others it uses screws with rubber washers which are exposed. It is what is on my house & my relatives house you can see it in the pic's I posted. Ap panel and standing seam all have to be placed on a solid deck were as the other types H and R panel can be placed on lath strips because of the way it is formed it can support it’s self across a given span.
Last edited by rockytopper; 11/11/09 09:23 AM.
The road goes on forever and the party nevers end...............................................
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Joined: Dec 2008
Posts: 4,797 Likes: 14
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Dec 2008
Posts: 4,797 Likes: 14 |
Man, these cabin pictures are awesome!
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Joined: Jan 2009
Posts: 28,686 Likes: 892
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,686 Likes: 892 |
Question for the experienced metal roofers out there. I have a metal roof on one of my outbuildings. The building was an old chicken coop, that was turned into a hog barn, then into a stable. Currently I use it to store wood for the fireplace insert, and to store machinery. The roof is galvanized steel, and is a constant "wave" up and down, each "wave about 1 1/4" tall x 1 1/4" wide. It is starting to leak in spots where the rubber washer nails were used to attach it to the building. The roof of the building is lathe strips. I'm guessing that the roof is 30+ years old. What can I do to seal the roof other than tear it off and start over?
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Joined: Jan 2005
Posts: 1,239
Lunker
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Lunker
Joined: Jan 2005
Posts: 1,239 |
If it's only leaking around the fastners I'd say change the nails to the new screws and just replace them as reqd.
The road goes on forever and the party nevers end...............................................
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Joined: Jan 2009
Posts: 28,686 Likes: 892
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,686 Likes: 892 |
I'm 99% sure that's where it's leaking. Thanks, I'll do that.
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Joined: Feb 2008
Posts: 31
Lunker
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Lunker
Joined: Feb 2008
Posts: 31 |
After checking various sources, we bought our metal roofing from Mueller, Inc. Rockytopper pegged them, on-line at http://www.muellerinc.com/roofing/index.php.Some 12 years ago we bought some lighter weight roofing tin from Home Depot for a small guest house and it has shown its age already. It must have been 28 or 30 Gauge and it showed dents from the hail storm plus the galvanizing has not held up well. I won't go less than 26 Gauge now.
"If it is to be, it is up to me"
10 acre Lake in the middle of 62 acres
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