How do you support a hot tub on a deck?

A concrete slab is effective at supporting a hot tub. This must be installed along with the concrete deck footings of your deck. For most, a slab four inches thick should suffice, unless one decides to get a very large hot tub then something thicker should be poured.

Can a regular deck hold a hot tub?

Yes, you can put a hot tub on a deck. Decks built ground level up to 2 feet off the ground can support up to 100 lbs per square foot; sufficient for most hot tubs. But decks 2 feet or higher will need added support. The added support posts should be no more than 30″ apart & ideally placed in poured concrete.

Is my deck strong enough for a spa?

As a general rule of thumb, if you have a deck that’s raised only a couple feet or less, it can support about 100 pounds per square foot. So, if the spa is less than 100 pounds per square foot you likely have nothing to worry about.

How much weight can a 10×10 deck hold?

In short there’s no one right answer to “how much can my deck hold?” However, one rule of thumb to keep in mind while answering the question is that the answer commonly is that if a deck is properly designed, it’s built to hold 50 lbs. per square foot.

How do I build a deck strong enough to hold a hot tub?

A flat, level surface such as a concrete slab is the ideal location for a hot tub. If you’re building a new deck, the slab should be formed and poured at the same time as your concrete footings. A 3-1/2 to 4 inch slab is usually sufficient, experts say; however, larger tubs may require something more substantial.

Will joist hangers support a hot tub?

Don’t use a ledger board or joist hangers when building a hot tub deck. Super-size to 2×10 joists installed on top of the beams and spaced at 12”o.c., 8”o.c. is preferable, though. Use brackets to maintain location on the beam and intermediate blocking for spacing and to prevent twisting.

What is the best base to put a hot tub on?

A concrete surface is an excellent base for your hot tub as this material is extremely sturdy and long-lasting. If you have an existing patio made of concrete bricks, make sure it’s in good condition and is level (not angled for drainage). A customized poured concrete pad is an even better choice.

How much weight can my deck hold calculator?

To determine the maximum load capacity of your deck, start by calculating its total area and multiply by 50 psf. So, a 100 sqft deck would be designed to support 5000 lbs.

How much weight can my deck handle?

To find out the maximum weight your deck can hold, you’ll need to multiply the total area by 50 psf. For example, a 100 square foot deck can support 5000 pounds.

How strong does a deck need to be for a hot tub?

A deck designed to hold at least 100 pounds per square foot will support nearly any type of hot tub. However, many decks are designed for only 50 pounds of weight per square foot – this will not support some hot tubs and you’ll have to modify the supports beneath your deck.

Will my decking hold a lazy spa?

Can my deck hold a hot tub? If you’re thinking of putting up an inflatable hot tub on your decking, have no fear! Wooden decking shouldn’t have any issues holding a tub full of water and people, as long as it’s close to the ground.

How much weight can a 2×8 joist hold?

A 2×8 will adequately support a dead load of 20 psf and a live load of 40 psf depending on some factors, including allowable span. This equates to a total load of 60 psf.

Will 2×8 support a hot tub?

Standard 4×4 posts can be used for supports, and 2×8 joists will support the weight of most typical hot tubs. Check local building codes for footing requirements. Twelve inch on center spacing between joists underneath the hot tub will help provide extra support and 2×6 decking is preferred.

How do you build a platform for a hot tub?

The easiest way to construct a hot tub platform is to pound stakes at the corners of an 8 by 8 foot square. Make a smaller square of 9 stakes in the middle. Replace each stake with hole that’s 1 foot deep, and fill the holes with a few inches of sand. Place a footing on top and set a short wooden post in each footing.