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Technical Data
All charts are provided in PDF format.  If you don't have the free Adobe Acrobat Reader, you may download it here:
Link to download the Acrobat Reader


Design Values for Structural Glued Laminated Timber.

Span Charts Conversion Charts
Douglas Fir/Larch

open Roof Beams - Construction Load

open Roof Beams - Construction Load 2

open Roof Beams - Snow Load

open Roof Beams - Snow Load 2

open Floor Beams - Floor Live Load

open Floor Beams - Floor Live Load 2



Alaskan Yellow Cedar

open Roof Beams - Construction Load

open Roof Beams - Snow Load

open Floor Beams - Floor Live Load		 openTimber conversion chart

open Timber conversion chart 2

open Laminated veneer lumber conversion chart

open Laminated veneer lumber conversion chart 2

open Parallel strand lumber conversion chart

open Parallel strand lumber conversion chart 2

open Steel beam conversion chart

open Steel beam conversion chart 2

Charts courtesy of the American Institute of Timber Construction.