garden decking weight per square foot

Calculate Deck Load Capacity - Tributary Area

To determine what weight per square foot is actually imposed on the soil below each tributary area, we just divide its weight by the area of the footing. Let's see what values we get for each footing. F1 = 975 lbs/1.4 sqft= 696 lbs F2 = 1050 lbs/1.4 sqft= 750 lbs

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How Much Weight Can My Deck Hold? - LBM Journal

It’s possible that it could hold much more weight than 50 lbs. per square foot. If you’re allowed to span 16′ with your joists 16″ on center, but you only span 8′ with your joists 12″ on center, then that deck can hold substantially more weight. And, pardon the pun, but boards are only the surface of the issue.

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How Much Does My Metal Deck Weigh?

The weight per square foot for a 20 Gauge Galvanized panel in W2-36 is 2.1 pounds per square foot and the W3-36 is 2.3 pounds per square foot. Weight For Types of Metal Deck As you have come to learn metal deck comes in different types: roof, floor, form, and cellular.

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Deck Building - Understanding Load Capacity - Build a Deck .

The load that is placed on your deck is expressed in pounds per square foot (psf) and the total load or more appropriately, the design load, is comprised of the dead load and the live load. Dead load is basically the load created by the weight of the deck itself. This is usually about 10 psf.

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Composite Decking Weight Vs. Wood | Hunker

When fully dry, treated deck boards weigh some 0.25 pounds per cubic foot more than untreated boards of the same species. A 12-foot length of treated, yellow pine 5/4-by-6 decking will weigh an average of 13.87 pounds (within a range of 10.65 to 17.08 pounds).

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BOB HEIDENREICH: Deck Math III - LBM Journal

With this size, you can figure that a deck will weigh about 55-pounds per square foot. Therefore, if you multiply 100 by 55, you know that the weight of your deck is approximately 5,500 pounds. Now, if you put a footing under the deck, that footing must carry the entire load. Generally, a deck will have multiple footings.

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Deck Load Calculator - Ideas For Deck Designs

This calculator determines the size of each tributary area of your deck. It then determines the total load from each tributary area based on the design load of your deck. Default is 50 psf which you can change. The total load for each tributary area is then divided by the area of each footing in order to determine the load psf imposed on the soil.

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