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RE: OSB Sheathing

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Density of OSB is 50 pcf, compared to 35 pcf for plywood.  Glue weighs a 
helluva lot!  Just pick up a piece of particle board and a piece of plywood 
and compare the difference.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona

Robert Rollo wrote:

. > same as plywood? just glue and wood fiber in both products? overall
. > density should be real similar anyhow