Fence Metal Post Strength
#1
11-05-18, 09:54 PM
Join Date: Nov 2018
Location: USA
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Fence Metal Post Strength
Hey All,
I planning on building a fence that use a combination of 6' and 10' metal posts, 2x4 wood rails, and steel roof sheets. I was thinking of using metal sheets like these: https://www.homedepot.com/p/Metal-Sa...3249/204254776
Those are quoted at 17.6 lbs. The rails are going to be pressure treated 2x4s.
This fence is for a residential property. My question is how thick of post do I need? I have been told I might need ss40 fence posts to withstand the weight. However, those posts are double the price of the typical .065 16 gauge posts.
Thanks in advance.
I planning on building a fence that use a combination of 6' and 10' metal posts, 2x4 wood rails, and steel roof sheets. I was thinking of using metal sheets like these: https://www.homedepot.com/p/Metal-Sa...3249/204254776
Those are quoted at 17.6 lbs. The rails are going to be pressure treated 2x4s.
This fence is for a residential property. My question is how thick of post do I need? I have been told I might need ss40 fence posts to withstand the weight. However, those posts are double the price of the typical .065 16 gauge posts.
Thanks in advance.
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#3
11-06-18, 04:35 AM
Group Moderator
How high is your fence going to be?
How far apart are you spacing your posts?
How far apart are you spacing your posts?
#4
11-06-18, 07:19 AM
Member
Buy lots of extra material. The wind will destroy a fence built with solid metal roof sheeting. A fence needs open spaces for the air to pass through.
#5
11-06-18, 12:53 PM
the weight will be much lighter than any normal privacy fence but wind will be an issue and you would want heavy duty post well anchored for that reason, I have only seen this in really rural areas like on a barn lot not in some ones yard it looks ok but the roofing material is very sharp on the edges.
#6
11-06-18, 07:16 PM
Join Date: Nov 2018
Location: USA
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The fence will be 4' above ground in the front yard and 8' above ground in the backyard. The spacing will be 6' apart. The metal sheets will be mounted vertically and overlapped about 2'' and I will be using three wood rails throughout (top, middle, bottom).
@alan73, what would you consider heavy duty?
@alan73, what would you consider heavy duty?
#7
11-07-18, 05:00 AM
Group Moderator
An 8' high solid fence is going to need a lot of support. Even more if you are in a coastal area or anywhere prone to high winds. I would not even consider whatever cheap posts you mentioned. I would use SS40 as the minimum. 2" for your front yard where the fence will be 4' high and I'd go for 3" diameter where your fence will be 8' high and where it's that high I might even consider putting the posts closer together for more support.
#8
11-07-18, 05:36 AM
chain link post are often 16 gauge so assume the poster was going to use them, you see chain link terminal post on wooden 6ft privacy fences a lot they are probably plenty adequate for a 4ft high fence but at 8 ft would probably also want the thicker gauge post and probably 4 rails instead of just 3.
