3 1 8 x 13 3 4 x 28 glulam beam glued laminated timber glt mass glulam beams glued laminated timber glt mass laminated beam 10 ft ritter lumber edgematched glulam fraserwood edgematched glulam fraserwood laminated beam 3 1 2 x 15 3 8 14 ft laminated beams rafters timber building with glulam beams extreme how to edgematched glulam fraserwood glulam beams glulam beams shrinkage in deep glu lam to steel glued laminated timber glt mass glulam beam to beam connections glulam beams glulam beam to beam connections glulam beams glulam beam to beam connections glulam beams glulam beam to beam connections glulam beam to beam connections glulam beam to beam connections glulam beam to beam connections glb0306 glued laminated beam 001863 western species glulam 8 75x30 ansi glulam beam to beam connections glulam beam to beam connections glulam beam to beam connections glue laminated construction glulam beam to beam connections glulam beam to beam connections edgematched glulam fraserwood