I finally dismantled all the smaller pallets in the first batch I picked up.
I realised that it was time to sort all the wood by size, work out the best allocation of lengths and dock it to size.
I theory I now have enough precut lengths to create 5 sets of 14 frames (but I'm missing many of the bottom cross braces).
Time to dismantle the remaining pallets, and scavenge some more.
Just about everything in a pallet (except the very thin cladding) can be used in making a roof frame.
Even the thin cladding is being kept - I'm sure I'll find a use for it eventually.
Even a fractured spine can be docked to a short upright length.
A long spine can be docked to an 800mm top beam and the remnant used in some upright.
The cladding is typically 80mm x 25 mm and two pieces of cladding can be nailed together to create a bottom cross beam of say 800 x 80 x 50.