Western Oregon Home Builders has a long history and experience with traditional wood framing homes. This process still includes a concrete slab or a perimeter concrete footing (a concrete wall one to two feel tall) which from that point upwards the home walls are constructed of douglas fir 2x6 wood. You can browse through your local Home Depot and Lowes to view this wood. Most all floors are made of engineered wood I-beams. Most all roofs are made of 2x4 or 2x6 engineered trusses. You will not see floor I-beams or trusses at Home Depot/Lowes.