2-in x 8-in Lumber & mposites at 2-in x 8-in x 10-ft Top Choice Douglas Fir Lumber. Model # 720968-10. Find My Store. for pricing and availability. 35. 2-in x 8-in x 12-ft Redwood Lumber. Model # 750932197926. Find My Store. for pricing and availability. Chapter 8 Foundation Design – WaHDPEngton State Department Geotechnical []