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?
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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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