FWIW i alternate the grain of the wood (and suggest others do this too, regardless of what they use)....it provides additional strength & prevents cracking/splitting & warping (especially if you use 2x material.
I like the idea of the microllam (1st I've even hear it called that)....ill be cruising construction sites now
Hows that stuff hold up in the wet ?
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Don R.
'04 Haulmark (M42386) 42', 2 slide, 10kw -
Pictures
'04 F350 CrewCab Longbed 4x4, 50g aux tank & gear vendors dbl over