Metal Roofing

By Tim Carter
©1993-2010 Tim Carter

Summary: Metal roofing is a great roofing material. A metal roof can last for 100-years. There are many types of sheet metal roofing including standing seam metal roof and corrugated metal roofing. The metal roof cost is higher then a shingle type roof, but will outlast a shingle roof several times over.

Metal roofing is an amazing product. I've had the pleasure of working with this time-tested material for many years. Not only have I personally installed it, it was used on many of my jobs when I was still actively building. If you have a metal roof on your home or business, you know how durable they are and practically maintenance free. Older tin metal roofs need an occasional coat of paint, but more modern metal roofs have factory-applied paints that seem to wear like iron.

A sheet-metal roof can take many forms. The common style that you may be most familiar with is the standing-seam metal roof. This roofing product comes in long sheets and the joint between adjacent pieces of the roofing is formed with an interlocking vertical seam that stands above the flat area of the roofing panel.

Master roofers can take flat coils of tin-coated steel and make a flat-lock metal roof. The seams in this style are soldered to make them weather tight. Flat-lock roofing was very popular in the early 1900's, and was commonly used on low slope roofs that often were placed over large front porches. This style gets its name because the seams between pieces is hammered flat. When the roof is complete, it's nearly flat, with only minor humps at each soldered seam.

Another very popular material is corrugated metal roofing. This roofing material has a wavy shape and is used on shacks, sheds and sometimes pole buildings. It's not considered as weathertight as other metal-roofing materials when subjected to extreme wind-driven rain. This roofing is extremely do-it-yourself friendly, and it tends to work best on roofs that have steep slopes that shed water quickly. Corrugated metal roofing is the only material I would ever suggest a homeowner try to work with, and only on some outbuilding.

When you go to install a metal roof, you must pay attention to details. The slightest mistake can result in a leak. You need special tools to work the material. Most metal roofing can't be successfully installed by a rookie. I would venture to say that supply houses that sold most metal roofing would not in their right mind sell it to a beginner.

There are many things you must do when installing metal roofing to ensure you don't void the warranty. If you intend to have this installed on your home, I would encourage you to get the written instructions from the manufacturer and take the time to read how the job should be done. Make sure the roofer you hire will do the job as is called for in the instructions.

The metal roof cost estimate you receive may take your breath away. It's absolutely more expensive than asphalt roofing, even the top-of-the-line shingles that come with a superb warranty. But keep in mind that a metal roof could last 100 years or more and offer you complete peace of mind. In certain situations, metal roofing is a smart financial choice if you want to eliminate the need to ever have to install a second or third roof in your lifetime.

Part of the reason the cost is high is that metal roof installation is a somewhat slow process, and you need skilled craftsmen working with the metal. When you compare this to the simple laborers needed to install regular asphalt shingles, you can see why labor costs can be much higher.

If you're considering a roof like this and want to get different metal-roofing prices, be sure to compare systems that are nearly identical. There can be wildly differing prices when you look at a standing seam roof vs. a flat-lock or other metal roof. It also pays to study the warranty. Longer warranties often cause prices to be higher because better material is used or the replacement costs on future warranty claims is built into the cost of the material.

Residential metal roofing is appealing to many who look for it to keep them safe in addition to being dry. If you live in a part of the USA that is prone to wildfires, you know that metal roofing helps protect your home from fires started by glowing embers that drop from the sky during firestorms. Those with wood roofs or worn asphalt shingles have much to worry about, but if you have a metal roof, you can rest a little easier in the event you're forced to evacuate your home.

If you're serious about using metal roofing, give standing-seam metal roofing a serious look. This style has a classic look and looks stunning on certain homes. This roofing material is commonly used as a starter strip about four or five feet up from the lower edge of roofs for those who live in areas of heavy snow. The metal roofing is an excellent method of stopping the leaks that result from pesky ice dams. You won't make a mistake installing it on your home.





Comments:

Joyce
28 Feb 2009, 16:46
I am planning on having some company install a metal roof on my house. I don't know what type of metal to get? Also, I certainly don't want to have to paint it in a few years, would I have to? And will the screws stay in place because my house is on a hill in VA where it is quite windy?
gary c
28 Mar 2009, 20:39
SOLAR HEAT COLLECTION WITH SUSPENDED METAL ROOFING AND WHOLE HOUSE VENTILATION

Tyrus Maynard 12 Lookout East Asheville, NC 28805


I am very impressed with this "solar attic" heating system that I found at "solroof1". Do you have any addition information on this subject? Would it also be possible to install finned copper tubing, like used in hot water base board heaters at the peak of the attic in order to heat water? I am not too sold on their open cycle air circulation system. I would rather have a single run of duct work through attic space to pick up the heat and maybe a "solar attic pool heater" system to ventilate the attic during the summer months and heat the pool water. I look forward to hearing from you. Thanks, Gary C
William Robertson
26 Apr 2009, 17:16
I am having a metal roof installed and reflective bubble material was placed on the decking with bubbles up for air flow , it is made by Randall Manufacturing, the tag on the roll reads, Randall Manufactured, RSB-60" x 250' S. E.
Reflective/ Single/bubble clear. Made in Canada. Has anyone used this material I am curious if its used commonly now instead of the felt or rubber underlayment. I was told it will keep the sweating from happening and reflect the heat away from the attic. I could not find the material on Randall Manufacturing web site. Please post and maybe someone else has used this material. Thanks Wm Robertson
Pam Hinton
05 May 2009, 23:15
Is a standing seam metal roof the same thing as a concealed fastner roof. My insurance salesman told me that the concealed fastner roof looked just like the standing seam but was much less expensive.
Andrew Smith
13 Sep 2009, 13:29
I want to put steel roofing over 1 layer of shingles on heated building. Do I need to put furring strips over shingles before steel so roof can "breathe"? The furring would block air on bottom edge and sides, and I would need a metal rake strip to cover edges of furring. One manufacturer said I only need 30# felt on shingles to prevent abrading the bottom of the steel. Different opinions, whose right?
sharon skotarczak
02 Nov 2009, 16:39
I have a almost flat roof some pitch not much can I have a metal roof installed

thank you
RachelleRa
03 Nov 2009, 17:41
I'm considering a brown metal roof. I live in South Texas. Is this color not a good idea for my climate and will it chip, crack, or peel after many years?
James Craig
15 Dec 2009, 13:27
Can I overlap metal roofing with asphalt shingles. An addition will have metal and existing will remain asphalt.
ginger
15 Dec 2009, 19:26
can metal roofing be installed over 1 layer of shingles? we have a large garage with shop on the side. the rafters are on a 2foot span, instead of every 16 inches.we are doing this ourselves. removing all those shingles would be such HARD work for my husband and myself. thank you, ginger

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