But these can bow seriously even if a deck is only 3 feet off the ground.
Second floor deck support.
But there s a lot more to know about hot tubs and decks.
The bigger you make your deck the more you ask of the framing timbers that hold up the deck s structure and the joists and beams that support the deck s floor can only span so far before the.
Inspect the concrete supports underneath on grade decks for cracks or damages.
That means that once you have the footings in place you need to install posts which will support the beams that in turn support the joists that support the decking and eventually you your family and friends.
Decks built ground level up to 2 feet off the ground can support up to 100 lbs per square foot.
It is up to you how high your deck extends onto the second story however a typical height is 8 9 feet.
Check the structural soundness of your.
When a deck is attached directly to the house it s supported by a long horizontal pressure treated.
And if a deck is over 10 feet tall you should install bracing.
The added support posts should be no more than 30 apart ideally placed in poured concrete.
Fill each hole partway up with dry quikrete concrete mix and then drop the posts in allowing the desired height level of support post extend above ground level.
For that reason we strongly recommend that you use 6x6s instead even if your building department does not demand them.
In the past many decks were built with 4x4 support posts also called structural posts.
Sufficient for most hot tubs.