The footings should be below the ground level.
Free standing ground level deck footings.
This is the depth at which the moisture present in the soil is expected to freeze.
Use a 48 long level and set the post plumb to the soil.
Attach pergola posts to the footings take your post and set it into the saddle.
You just screw the auger portion into the ground using a lightweight hand held impact wrench and never experience any kick back.
Tamp the dirt with a block to make a firm base then spread the gravel.
Do this by nailing the sides of the tube to the center of a tic tac toe grid of 2x4s at the top of the hole.
There is no need to extend a footing below the frost line as is required for standard decks.
Ground screw anchored footings the titan deck foot anchor is a fast and easy solution for supporting any light weight structure that is floating or free standing from a house.
This assumes the deck will be on level ground and not attached to your home with an estimated building time of 16 to 24 hours.
This requires you to dig what mount to holes and or trenches in order to pour the concrete for the footings.
Dig holes for posts these instructions review how to build a deck that will be approximately 8 feet wide and 10 feet long.
Up from the bottom of the footing.
Then dump concrete through the tube into the bottom of the hole.
Establish the highest and lowest points with a string and string level to get a rough idea of how deep to dig and how much gravel to put in to make the ground level deck footings blocks level figure a.
When you pour concrete footings hold the cardboard concrete form tube about 12 in.
Frost line map for deck footing depth when you excavate your footings you will need to dig below the frost line.
The standard rule for footings is that for a basic deck the larger the beam and footing size the fewer footings you ll need.
You can build the deck as close to the ground as you believe is possible and the footings could be as deep as you can dig as they do not occupy the same space.
However if your deck will include a hot tub or roof you must support that weight with additional footings.
If you re building a simple deck footings and posts should be placed less than 8 feet apart.
Secure the post to the saddle by driving x 3 lag screws through the vertically aligned and embossed holes.