How to Install Deck Post Footings | Trex Academy 

It might depend on how far off the ground you are, and locality. A 2nd story deck will require permits pretty much anywhere, but under 2', it might depend on the jurisdiction

Hello Phong. Thanks for reaching out to us here at Trex. Please call our Customer Care Team at 800.289.8739 so that we can understand your question a little better and offer the assistance needed. We are available Monday through Friday from 8:00 AM to 5:00 PM EST. Thank you!

Hello, and thank you for reaching out to us. We would suggest reaching out to a local code official in your area for the recommendations on this. Kindly, - Trex Customer Care Team

Hi there! Thank you for reaching out! It would be best to call for a footing inspection. There are different situations such as the deck being directly on the ground where the footings would not be seen if things were built over it. If the deck is higher in the air the footings can be seen and can be inspected at the time of the framing inspection. It is good to cover bases and have the footing inspection done when the footings are dug. Please let us know if you have any additional questions. ~ Trex Customer Care Team

They saved money by not paying for the fingers.

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Was thinking the same thing. San Antonio, tx here. Luckily no frost line to speak of but maybe 6 inches of dirt if you’re lucky? Then BAM limestone! Post hole diggers are useless, augers would just spin. Nothing but a good ole fashioned jack hammer and hours pounding away will do the trick.

I recall a deck we did that had extrememly hard soil. Maybe not as bad as yours but after getting down about 6 in we had to use power auger. With the power auger we went at a rate of about 1 1/2 in an hour. that was pretty darn rough

@@ryandavis7390 yeah up in Salt Lake here so had to go 30" down and the whole state is made of shale and granite.. well least my yard..lol It wasn't fun at all.

Okay I wont complain about my Sandy clay anymore. I just dug 42” holes for my deck with a manual digger and a shop vac to suck it up once it gets deep.

I can understand if its hard to dig when theres rocks. When i lived in salt lake city i worked for a landscape company and had to dig sometimes. It was hard because you were always hitting rocks. But i think the worst experience ive had was here in texas while trying to dig post holes for a deck i was building. There was no rocks but the ground was so hard we were sweating our as off to barely dig an inch of depth. We had to go buy one of those long metal bars it helped alittle but not much. Then we tried putting water in the hole to soften the dirt up. Wed leave water in some holes then wed work on others and then wed come back to the first hole to dig out like an inch of soft muddy dirt. We did that til we got a foot of depth and we said fk it thats how deep theyre staying cause we were exhausted already 😂 worst fkn dirt ive had to dig in, it took hours. The owner said he knew about it he said he had an auger on a tractor and even with that it was hard to make holes. He said he thought it was because his land had been used for raising cattle for many many years . Not sure if thats the reason but there wasnt any other reason i could think of because like i said it had no rocks, it was so frustrating

That's how it's usually done.

Hi Kev, PSI is the pounds per square inch that the concrete is formulated to be able to hold. The higher the number means a higher weight that the concrete can support. Thanks! Trex Customer Care Team

Lol I was thinking the same thing. I. Getting ready to build a free standing deck and overhang. Planning to poor my footings and setting the posts in saddles. Mostly concerned with integrity. Not a lot of great info out there on the web

Use ground contact pressure treated. Last in the ground longer than the deck frame above ground.

@@beetlebailey6422 this is a lie unless the top of the deck is made of cardboard.