structural wood products

huangyhg

structural wood products
hi all,
i have a bit of experience with wood design, have done walls, joists, spec'd trusses etc...  i am getting into some design of lvl/glulam type beams, and am having a hard time finding any useful information (on the internet) on what, in general, these products are, how they are made, and how they differ.  
could anyone point me to a useful website or reference literature?
thanks   
check out our whitepaper library.
ilevel.com has good info
structfton,