Q: What species of timber can I use? A: Douglas fir, red & white oak, and Eastern white pine are most often selected by our clients.  We also can provide kiln-dried timbers (for certain applications additional cost apply).  Here is a complete list: Douglas Fir, including FSIF Southern Yellow Pine Red and White Oak Eastern White Pine Recycled Fir & Yellow Pine Cypress Western Red Cedar Port Orford Cedar Sitka Spruce White Spruce Teak Hemlock Hickory