Its lumber is a softwood, and it is harvested as a Hem Fir.

Excluding Douglas Fir-Larch, Hem Fir's modulus of elasticity value as a stiffness factor in floor systems (denoted as MOE or E) is stronger than all other Western species combinations.

As a Hem Fir, the trunk of the Grand Fir is considered slightly below the "Douglas Fir-Larch" species combination in strength, and stronger than the "Douglas Fir-South" and "Spruce-Pine-Fir (South)" species combos (both umbrella terms for a number of species with similar wood).