Floor Load Width Deck Calculator

Span calculator for wood joists and rafters also available for the android os.

Floor load width deck calculator. The dead load on a floor is determined by the materials used in the floor s construction. If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot. But a single span of 3800 with a flw of 2400 and joist spacings at 450 no roof loads you could get away with 1 x 240x45 f27 kiln dried hardwood. Fewer posts on upper level decks are typically more desirable to the occupants and this drives the use of larger framing materials for longer spans.

You have a few options such as 90 degrees horizontal 45 degrees diagonal raised platform straight and plenty others. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. The decking calculator can help you determine the number of decking boards and fasteners needed. Length x width in feet and inches total length of your deck s perimeter board size.

Default is 50 psf which you can change. Building codes for residential decks only require 40 psf. From here you should be able to determine your deck surface area length x width. The image and text below is a simple guide to the concept of floor load width.

It then determines the total load from each tributary area based on the design load of your deck. This calculator determines the size of each tributary area of your deck. Imagine yourself sitting on a wooden porch on a warm sunny sunday morning. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.

The species of lumber size of lumber and the load it carries. A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot. It is also a tool for estimating the cost to build a deck mainly focusing on deck flooring. Then use a long tape measure to determine the total length and width of your deck enter into calculator.

The angle of your decking 90 to the joist giving a horizontal straight across look 45 to the joist giving a diagonal slanted look to your floor boards. To calculate your bearer size accurately flw needs to be taken into account as well as the live load of thr floor. Also available for the android os. Sipping tea reading a book and taking in those sweet summer smells.