And if a deck is over 10 feet tall you should install bracing.
Second floor deck support.
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.
When a deck is attached directly to the house it s supported by a long horizontal pressure treated.
But these can bow seriously even if a deck is only 3 feet off the ground.
But decks 2 feet or higher will need added support.
Deck post size is important.
It is up to you how high your deck extends onto the second story however a typical height is 8 9 feet.
But there s a lot more to know about hot tubs and decks.
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.
In the past many decks were built with 4x4 support posts also called structural posts.
So build your deck the right way from the ground and posts up.
Inspect the concrete supports underneath on grade decks for cracks or damages.
Sufficient for most hot tubs.
Decks built ground level up to 2 feet off the ground can support up to 100 lbs per square foot.
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.