The Random Lengths framing lumber composite price rose 1.6% from the previous week. This was the fourth consecutive week of increases. …Softwood lumber prices have been especially volatile in recent years largely because of increased demand, rising tariffs, supply-chain bottlenecks and insufficient domestic production. …In addition to narrowly defined framing lumber, products such as plywood, OSB, particleboard, fiberboard, shakes and shingles make up a considerable portion of the total materials (and cost) of a new home. Surveys conducted by Home Innovation Research Labs show that the average new single-family home uses more than 2,200 square feet of softwood plywood, and more than 6,800 of OSB, in addition to roughly 15,000 board feet of framing lumber. …I may take at least a few weeks to a couple of months for builders to see price relief on the order initially reported in the lumber futures or cash markets.