Arron, Threading the Bed Timber Published August 15, 2010 at 1536 × 2048 in Damariscotta Crane Day Shots ← Previous Next → Arron, Threading the Bed Timber The bottom halves of all four posts, and the two bed timbers, were carefully guided out of these holes in the roof sheathing. The bed timbers, which had been laying on the tie beams, front to back, were the hardest to remove.