Modulus of Elasticity (MOE) Ratings for Wood Siding (1000 psi)
Modulus of elasticity ratings are derived from the stiffness or resistence to bending of the particular wood species. These ratings pertain to longitudinal modulus of elasticity, not tangential or radial ratings.(1)
(1) The Wood Handbook - Wood as an engineering material, USDA, General Technical Report 113.