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.
Second floor deck support.
Inspect the concrete supports underneath on grade decks for cracks or damages.
Deck post size is important.
Check the structural soundness of your.
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.
But there s a lot more to know about hot tubs and decks.
The added support posts should be no more than 30 apart ideally placed in poured concrete.
And if a deck is over 10 feet tall you should install bracing.
When a deck is attached directly to the house it s supported by a long horizontal pressure treated.
In the past many decks were built with 4x4 support posts also called structural posts.
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.
Sufficient for most hot tubs.
But these can bow seriously even if a deck is only 3 feet off the ground.
For that reason we strongly recommend that you use 6x6s instead even if your building department does not demand them.
But decks 2 feet or higher will need added support.