Our modernized state-of-the-art dry kiln maintains consistent temperatures and humidity levels to further enhance the natural characteristics of Douglas fir, one of the strongest species of softwood. With a lower moisture content, kiln dried Doug Fir lumber provides improved resistance to mold and insect damage along with greater dimensional stability that hinders the natural twisting and warping that can occur as green lumber air dries. 90 per lenght Your customers now have a strong choice of both green and kiln dried Doug Fir lumber products from a manufacturer that is respected on a national level.