What's The Best Gauge Metal Roofing For A Residential Metal Roof? [29 Gauge Vs 26 Gauge Vs 24 Gauge]

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Are you trying to decide which metal roofing gauge to use on your residential metal roof? We compare the different gauges of metal roofing.
Head to head comparisons of metal roofing thicknesses:
26 gauge vs 29 gauge
24 gauge vs 26 gauge
24 gauge vs 29 gauge
Before you decide if you should use metal roofing in 26 gauge or metal roofing in 29 gauge you should determine the type of metal roofing panel that's best for your house and the type of paint finish.
00:00 What gauge metal roofing for residential?
01:28 What is a metal roof gauge?
01:50 Decisions to make before choosing the gauge of metal roofing
02:06 What gauge should I use for standing seam metal roofing?
02:36 Corrugated metal roofing thickness
02:48 Standing seam vs corrugated metal roofing
03:18 Metal roofing thickness and paint systems
04:47 What gauge should I use for corrugated metal roofing panels?
04:58 Metal roofing gauge thickness over metal purlins
05:58 Residential metal roofing gauges over a wood substrate
06:34 29 gauge vs 24 gauge metal roofing
08:04 26 gauge vs 29 gauge metal roofing
08:22 24 gauge vs 26 gauge metal roofing
09:16 What's the best gauge for metal siding panels?
10:02 When should I use 26 gauge metal roofing?
10:13 When should I use 24 gauge metal roofing?
10:38 When should I use 22 gauge metal roofing?
Gauge Worksheet
Load Charts
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Metal Roofing Gauges
Before you decide if you should use metal roofing in 26 gauge or metal roofing in 29 gauge you should make the following choices first:
1. Panel type
2. Paint system
What's The Best Gauge For Metal Roofing?
Choosing the best metal roofing gauge can be very confusing. The higher the number of the gauge, the thinner the thickness of the metal roofing. For example, 29 gauge is thinner than 26 gauge and 24 gauge is heavier than 26 gauge.
There is no standard gauge for metal roofing.
What Gauge Metal Roofing For Residential?
Before you pick the best gauge for metal roofing you must first decide:
1. Do you want an exposed fastener metal roofing panel?
2. Will you be purchasing standing seam metal roofing?
Corrugated Metal Roofing Thickness
The best value will be a 26 gauge exposed fastener panel in a SMP paint finish. Keep in mind though that an exposed fastener panel means that you will have thousands of screws that will penetrate the panel. Each screw is a potential leak point at a later date.
Standing Seam Metal Roofing Thickness
Standing seam is the best metal roofing system. However, it is also the most expensive option and it will only be available in 24 gauge or heavier. It’s also accompanied by an expensive PVDF/Kynar 500® paint finish.
The Type Of Paint System Affects Which Gauge Of Metal Roofing Is Available
There are two choices when you are choosing a paint system
1. PVDF paint aka Kynar 500® or Hylar 5000®
2. Silicone-modified polyester which is referred to as SMP.
26 Gauge vs. 29 Gauge Metal Roofing
Although 29 gauge could be appropriate, we don’t recommend it. If you go this route, you are buying a flimsy panel that can be damaged more easily during a hail storm, has lesser snow loads, and has lesser wind uplift values. Furthermore, if you have long panel lengths you run a greater risk of damaging the panels due to expansion and contraction.
If you live in an area with high winds or snow then 29 gauge is not recommended. You are taking all of these risks and only saving a minimal amount of money. The cost difference between 26 gauge and 29 gauge is only 10-20% for the material cost only.
When you look at the overall installed cost of a metal roof the cost savings are almost nothing. A typical 25 square metal roof will cost between 10K and 20K installed, but the cost savings of using 29 gauge instead of 26 gauge is only $500-$1,000. We believe it’s a bad investment and for that reason we do not sell 29 gauge.
24 Gauge vs. 26 Gauge Metal Roofing
When the metal roofing sits on a solid wood substrate a 26 gauge material is appropriate and a good value. However, there are instances in which a 24 gauge material would be a better choice. If you live in an area with high winds and a lot of snow than spending the additional money on 24 gauge would make sense. In addition, if you want a Kynar paint then you will nearly certainly need to purchase a 24 gauge steel.
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Опубликовано:

8 июл 2024

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Комментарии : 19

@alexanders6253 2 года назад

Very useful. Thank you!

@Unstoppableak247 Год назад

Thank you !

@bevandashwood1030 Год назад

In edmonton alberta Canada most exterior metal cladding is of the 24 gauge

@goldencrownmotors5225 3 года назад

Please different between full gauge and non full gauge roofing sheet. I found 0.45mm at full gauge and I found 0.45mm non full gauge but same aluminium roofing sheet has the same thickness

@suriyadunya9994 6 месяцев назад

Is 22 better than 24 for hear insulation?

@aberba Год назад

Hi, I intend to install solar panels on a standing seam roof (the type where the solar panel frame rests on the ribs/seam), does it have an effect on whether I go for a 24 or 26 gauge?

@WesternStatesMetalRoofing Год назад

Lawrence, Either gauge will work fine, but there are different considerations to consider. Most importantly use a good solar mounting bracket that will attach to the seam of the standing seam, but not puncture it. S-5 makes the best ones, www.s-5.com/products/roof-clamps/ Most importantly, standing seam is expensive. It makes very little sense to purchase standing seam in an inferior paint finish such as SMP which is almost always the case with a 26 gauge standing seam panel. Furthermore, 24 gauge is a much better product that just does not cost that much more. If you were doing a corrugated roof you could make a good argument each way for a 26 gauge SMP vs 24 gauge Kynar. With a standing seam panel and the amount of money it cost I would only recommend 24 GA, Kynar (PVDF). Hope that helps. This video might be helpful ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-n1JUsTvoOrY.html

@aberba Год назад

@@WesternStatesMetalRoofing thank you very much.

@ase2060 3 года назад

Should standing seam be manually crimped or with machine?

@WesternStatesMetalRoofing 3 года назад

It depends upon the type of standing seam. Mechanically fastened will be crimped with a machine. If it's not a mechanically seamed it will not be crimped with a machine. These articles may help you blog.westernstatesmetalroofing.com/snap-lock-vs-mechanically-seamed-standing-seam blog.westernstatesmetalroofing.com/mechanically-seamed-standing-seam-comparison

@Karmazov 2 года назад

I own a hotel in Washington state. We do get lots of snow and sometimes wind gusts up to 100. Currently, we have a shingle roof. I want to replace that with a standing seam metal roof. I want to ask you if given our location and the aforementioned facts about snow and wind do you think 24 gauge is sufficient or is it better to go with 22 gauge?

@WesternStatesMetalRoofing 2 года назад

KJ, In most instances 24 gauge is sufficient including most jobs that we provide in snow country. That being said, it's always a good idea to have an engineer specify the correct gauge for your project. There is just no way I would know enough about the specifics to recommend one vs the other. There is a price difference of about 20% for materials cost when you upgrade the gauge. Given that the bulk of the cost will be labor related it's not that much money as a percentage of the overall job to upgrade to a heavier gauge.

@Karmazov 2 года назад

@@WesternStatesMetalRoofing Thank you so much for your prompt response!

@durwoodeverett9202 2 года назад

I actually am getting ready to have a standing seam metal roof installed my house is contemporary and the people I have spoke with said that their price included 26 gauge and I wonder if they would let me order the materials from you guys and they can install it I will be going through yellow hammer roof in Birmingham Alabama

@WesternStatesMetalRoofing 2 года назад

Durwood, we absolutely could sell you the metal roofing or sell it directly to your contractor. Easiest thing is to email a materials list, sales@westernstatesmetalroofing.com. I have a different concern for you though. All standing seam roof systems are expensive, but you end up getting a long lasting and weather-tight product. When you commit to paying that kind of money for a roof it usually means that you also get a higher quality paint. What's the point of getting a roof that will last 50 years if the materials and paint system will not do the same. When I hear that you are using 26 gauge I assume two things (I might be wrong, so verify with your installer). I assume it's a SMP paint system and it's a Nailstrip standing seam versus a clip system panel. SMP paint will fade at a much greater rate than PVDF (Aka Kynar) this is especially concerning if you have a color other than white or an earth tone. Also a nail strip panel is way inferior to a clip system panel. Upgrading to a 24 GA in a PVDF paint finish and a clip system panel will cost more, but it's a worthwhile investment that is expected to last the 40-60+ years that you expect. It's worth getting a price to see what the difference will be. I have no skin in this game. Just trying to help. Here are a couple of videos that should help you see what I am talking about. Which Is The Best Type Of Standing Seam Metal Roof? Snaplock Vs Mechanically Seamed Vs Nail Strip ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-_F7_SjtRAcE.html Kynar Vs SMP: Which Paint Coating Is Better For Metal Roofing Or Metal Siding. Pros, Cons, Cost ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-n1JUsTvoOrY.html