If you re setting a post into soft ground or in an area that receives high winds it s always a good idea to bury your posts a little deeper and add more concrete.
Ontario building code fence post depth.
It is critical that the bearing pressure of the soil can handle the load being placed on it and rests on undisturbed soil.
Minimum depth of foundations 1 except as provided in sentences 4 to 7 the minimum depth of foundationsbelow finished ground level shall conform to table 9 12 2 2.
To 9 15 3 7 the minimum footing width or area shall comply with table 9 15 3 4.
I have recently begun my fence building adventure at my home and have a few questions.
Basic footing widths and areas 1 except as provided in sentences 2 and 3 and in articles 9 15 3 5.
While local variation is typical for privacy fences pool enclosures are another matter in that most cities have similar minimum requirements based on national standards.
If not conventional rules of thumb offer a reliable guide.
However we have not had a severe cold winter in some time.
Imo 2 feet is not enough for a post hole.
In most of southern ontario 4 feet deep is the norm technically part 9 of the ontario building code states 1 2m which is 3 927 feet however it is not sufficient to simply use depth as the only guideline.
The ontario building code basic footing widths and areas 9 15 3 4.
Keep the height of your fence in mind when digging your post holes.
Here are a four tips to help you find the correct fence post hole depth.
It s a lot harder to push over a post that s buried deeply so always keep that in mind.
Don t make postholes too small building codes and ordinances in your area may stipulate a legal depth and diameter for fence post holes.
With my fence i was not able to get all the holes to the same depth but the fence has remained stable.
And being in a extended drought the fence post auger episode was quite a project but i have managed to set all of my posts 4x4x8 0 treated.
Minimum depths of foundations.
The depth of your post hole plays a key role in the strength of your posts.
In addition some building authorities have code specifications for fence construction including minimum post size and burial depth.
If the post is only 2 feet below grade then there might be more lateral movement if your fence.
For example a 6 foot tall fence will need at least 2 feet of post in the ground.
The other thing to consider is stability.
Forming part of sentence 9 12 2 2 1.
Forming part of sentence 9 15 3 4 1.