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Started By
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Footings for backyard pergola/gazebo
Posted on 6/29/25 at 12:53 pm
Posted on 6/29/25 at 12:53 pm
Everywhere I see that 12” is deep enough for Louisiana but I was just checking in. If I can do 12”*12” that is a lot easier than what I was planning. I want to do footing and use the black strong ties going to 6x6 posts. The size would be fine with 4x4, I just want the chunkier look. What would you do?
6
Posted on 6/29/25 at 1:40 pm to armsdealer
nobody here can say definitely what your footing detail should be without more info, but…wider is a lot easier than deeper. Go wider if you can
I went 24x18 on my 6x6 raised deck footings. Made plumbing and leveling a lot easier also
I went 24x18 on my 6x6 raised deck footings. Made plumbing and leveling a lot easier also
Posted on 6/29/25 at 10:10 pm to armsdealer
I did 12x16 and guy called me crazy. Not planning on ever having to redo the concrete
Posted on 6/30/25 at 10:15 am to armsdealer
12” is plenty. Way plenty.
Posted on 6/30/25 at 10:45 am to armsdealer
12” deep isn’t deep enough. I’d go at least 24” into the ground. You’re going to be dealing with wind load with a roofed structure.. 12” will get ripped eight out the ground. You can make it wider to strengthen it, but I’d go bigger than 12x12
This post was edited on 6/30/25 at 10:47 am
Posted on 6/30/25 at 11:49 am to armsdealer
Post the general area or email me at
tdmy username@gmail.com and I can probably get information on the soil from a nearby site.
12" footings are very common down here but they are generally at least 8" below the surface if not closer to 1-2'. I agree with another poster that uplift could come into play depending on design. If that's the case you increase the footing depth to increase the weight and hold it down.
tdmy username@gmail.com and I can probably get information on the soil from a nearby site.
12" footings are very common down here but they are generally at least 8" below the surface if not closer to 1-2'. I agree with another poster that uplift could come into play depending on design. If that's the case you increase the footing depth to increase the weight and hold it down.
Posted on 7/1/25 at 7:38 am to armsdealer
Anyone who tells you they know without knowing your location doesn't have a clue what they're talking about. Where are you at?
A 12" footing in Old Metairie on the ridge is completely fine.
A 12" footing 10 min west into Kenner and it's going to fail in a couple of months.
It all depends on your soil type and compaction. Also are you need to add some rebar and an anchor bolt during the pour if you want best possible outcome. Those post installed wedge anchors are dogshit for the most part.
A 12" footing in Old Metairie on the ridge is completely fine.
A 12" footing 10 min west into Kenner and it's going to fail in a couple of months.
It all depends on your soil type and compaction. Also are you need to add some rebar and an anchor bolt during the pour if you want best possible outcome. Those post installed wedge anchors are dogshit for the most part.
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