DECK & JOIST Span Tables

Building a relatively sized wooden deck of any type of wood is a simple job for any adult. As long as you have the materials, the tools, and the time, you can be capable of building your own deck from start to finish given you andriol kopen have the technical know-how to make it stable.

A soft and bouncy deck can be a cause of a number of factors. A common factor is a soft wood placed on a widely spaced joist. This table shows the recommended joist spacing and size for a specific wood.

Maximum distance between posts or supports

Wood Species Joist Size 12” On Center 16” On Center 24” On Center

2” x 8” 13’ – 8” 12’ – 5” 10’ – 2”

Southern Pine 2” x 10” 17’ – 5” 15’ – 10” 13’ – 1”

2” x 12” 18’ – 0” 18’ – 0” 15’ – 5”

2” x 8” 12’ – 6” 11’ – 1” 9’ – 1”

Douglas Fir-Larch, 2” x 10” 15’ – 8” 13’ – 7” 11’ – 1”

Hemlock-Fir, SPF 2” x 12” 18’ – 0” 15’ – 9” 12’ – 10”

Redwood, 2” x 8” 11’ – 8” 10’ – 7” 8’ – 8”

Western Cedars, 2” x 10” 14’ – 11” 13’ – 0” 10’ – 7”

Ponderosa Pine, 2” x 12” 17’ – 5” 15’ – 1” 12’ – 4”

Red Pine

Your choice of wood for the deck determines the maximum spacing of your joists. Since some wood species are stronger, the sustanon hinta Decking Span Table below serves as a guide for the maximum length of your deck to make it more strong and sturdy and avoid making it bouncy and soft.

Maximum recommended decking span

Wood Species 12” On Center 16” On Center 24” On Center

Cedar 5/4 x 6 2 x 6

Clear Cedar 5/4 x 4 5/4 x 6 2 x 6

Redwood 5/4 x 6 2 x 6

Clear Redwood 5/4 x 4 5/4 x 6 2 x 6

Hemlock 10’4” 5/4 x 4 5/4 x 6

Pine 17’4” 5/4 x 4 5/4 x 6

Deck&JoistSpanTables (1)

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