The numbers in gray indicate the distance between the support posts.
Long span timber beams.
They are attractive interesting durable and strong.
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In many instances a strategically placed engineered long span timber beam can do the job just as well and looks so much better.
The distance over which a wood beam bears a load when used for support is its span.
Calculating the span of a beam requires using various factors that you need to first determine for a structure where the beam is being used.
They offer exceptional straightness uniform depth and dimensional stability.
Economical to produce the i beam is made from a combination of timber products.
When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches.
I beams are high strength long span structural timber beams which are used for residential and commercial applications.
Dimensional lumber deck beam span chart.
As a result a cedar douglas fir or southern yellow pine long span beams offers less cost less complexity better flow and simpler safety management.
The span of any wood beam depends on many factors such as type of wood weight of the load and overall size of the beam.
A double 2x12 beam can span 12 feet.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.