Construction The Many Uses Of Spruce-Pine-Fir (SPF) LumberDaniel DronSeptember 11, 2020 by Daniel DronSeptember 11, 2020040 Spruce-Pine-Fir, which is popularly known as SPF lumber, is made from the combination of Engelmann Spruce, Lodgepole Pine, and Subalpine Fir. This lumber is very... Read more
