I managed to get the wood glued into the lumber rack. I wanted it to look like a busy lumber yard so cut a bunch of my own out of tongue depressors to load the shelves. The kit doesn't supply much for the lumber rack and in very limited sizes.
I use real cedar shingles for most of my structures as I really like the look of them. Takes forever to apply them, though.
as for shingles,what company do you use?