In general, most decks can withstand 100 lbs per square foot. So if a hot tub like the one in the example is under that weight, the average deck should be able to support it.

How do I know how much weight my deck will hold?

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. Do not get confused with what weight you might think or want to load the deck with.

How much weight can a 2nd floor deck hold?

A floating deck designed by code can hold a minimum of 50 lbs per square foot. Calculated as 20% being dead weight, the mass of the deck itself. The other 80% or 40 lbs is the weight you can have on the deck, people, furniture, dogs, etc. A 12’x12′ (144sq’) deck properly supported can hold 5 760lbs on it.