Hardwood Floors August/September 2018

DIMENSIONAL CHANGE COEFFICIENT: • White ash = .00169 (radial), .00274 (tangential) • Black ash = .00172 (radial), .00274 (tangential) SPECIFIC GRAVITY:

THREATS: A non-native

beetle known as the emerald ash borer (Agrilus Planipennis) bores into the tree and feeds on the inner bark, which eventually

• White ash = .55 • Black ash = .45 NAILING: No known issues with nailing ash. SANDING:

kills the tree. These beetles are responsible for the death of tens of millions of ash trees across the United States and Canada since its discovery in 2002. Sources: The Wood Database; Copyright © 2008-2016, Eric Meier | Wood Handbook (Wood as an Engineering Material), USDA Forest Products Laboratory | A Guide to the Useful Woods of the World; Copyright © 2001, James H. Flynn, Jr. and Charles D. Holder | Missouri Dept. of Conservation.

Sands satisfactorily and similarly to red oak when following NWFA Sand and Finish Guidelines. Accepts stain well, but it is often required to bring the sanding sequence to a higher grit to minimize visible scratches. Springwood will be pronounced when color is added.