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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 deck hold?
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 much weight can a 12×12 deck hold?
A 12’x12′ (144sq’) deck properly supported can hold 5 760lbs on it. you build. All floating decks, in fact, all decks built to code, can support no less than 40 lbs per square foot of deck.
Can my deck support a hot tub?
A hot tub on a deck is entirely possible, and it is possible your deck is already equipped to handle one. A deck designed to hold at least 100 pounds per square foot will support nearly any type of hot tub.
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 you calculate live load on a deck?
Therefore, a deck of 120 square feet multiplied by 50 shows that your deck can hold 6000 pounds, including the structure. Dividing by 5 will allow you to determine that 4500 lbs is the max live load your deck can hold.
How much support does a deck need?
Before starting to build, the first question is: How many footings do I need for a deck? For an attached 12 x 12′ deck, you’ll need at least 3 footings, plus at least 2 more if you’re planning on building stairs with it. If your deck will be a different size, it’s easy to figure out how many you’ll need.
How much load can a 2×8 support?
Weight supported by a double or triple wood headers. Span (feet) Weight Supported (lb) 2 x 2″ x 6″ 3 x 2″ x 8″ 4 2250 5850 6 1680 4690 8 3990.
How do you calculate load capacity?
Calculating Load Add together the wattage capacity of all general lighting branch circuits. Add in the wattage rating of all plug-in outlet circuits. Add in the wattage rating of all permanent appliances (ranges, dryers, water heaters, etc.) Subtract 10,000. Multiply this number by . Add 10,000.
How much weight can a pressure treated 4×4 hold vertically?
Generally, you can expect a vertical 4×4 to support at least 4,300 pounds, but the amount of weight could be significantly higher than that in some cases. Even at 12 ft high, a vertical 4×4 made out of No. 2 Southern Pine will hold over 3,000 pounds.
How heavy is a 6 person hot tub?
In general, a small two- or three-person hot tub generally weighs around 500 pounds empty and 3,000 pounds when filled with water. A six-person model typically weighs approximately 1,000 pounds empty or 6,000 pounds full.
Can a Trex deck support a hot tub?
The good news is the composite decking is multiple times stronger than is required to support the hot tub. The weight of the hot tub will not break the composite decking when the weight is evenly distributed.Will Composite Decking Break Under a Hot Tub? Composite Decking Kn rating Lbs per sqft Trex Transcend 3.88 872.
How many people can a deck safely hold?
As a general rule, Pologruto said homeowners should determine how many people they expect to host on their deck and estimate about 15 square feet of deck per person. To comfortably fit around 20 people, the deck will need at least 300 square feet of open space.
How do I calculate the weight of a deck?
A 10’x10′ deck is 100 square feet, 950lbs divided by 100 square feet gives us a weight of 9.5lbs per square foot. With that in mind, a 150 square foot deck would weigh roughly 1,425lbs.
Can a deck hold a pool?
Building a deck to hold a pool takes a little extra planning. You can place a pool on a wooden deck if the construction takes into account several factors. Of course, pools are very heavy. And a lot of water will be splashed, poured and dripped on your wooded deck, potentially weakening it over time.
What does 20lb live load mean?
The live load on a roof is the weight of any temporary objects on the roof. A typical roof is expected to support a live load of 20 psf; this minimum live load is in addition to the dead load that the roof must bear.
How much weight can my patio hold?
A typical residential patio is 4″ thick with an average of 3000 pounds per square inch ratio. It is designed to carry more than the weight of two automobiles. The average compact car is about 3,000 to 3,500 lbs. A mid size car, van or light truck is about 5,000 to 7,000 lbs.
What is the live load for a residential deck?
For a residential deck, the code requires it be designed to support a minimum 40-psf live load. The live load is the external force applied to a deck due to the activities of its use. People, furniture and any other movable, physical objects on the deck are covered under live load.
How many supports do I need for a 12×16 deck?
A standard deck will need four footings parallel to the house, but they will need to be temporarily braced by 6 inch-by-6 inch posts.
How do you calculate deck joists?
As a rule, the larger the deck, the larger the joists. For example, joists spaced 16 inches from the center of the joist next to it can span 1.5 times in feet the depth of their inches.
What size should deck joists be?
Commonly used joist sizes are 2-by-6, 2-by-8 and 2-by-10. For example, when you space joists 16″ apart — which is standard for residential decks — a deck spanning 9 1/2′ would require 2-by-6 joists, a 13′ deck would need 2-by-8 joists and a 16′ deck calls for 2-by-10 joists.
