OLD WOOD UV-BSPP-TG-5.25 Fire-Reclaimed UV-Cured Rocky Mountain Ponderosa Pine Solid Wood Flooring Solid Wood Flooring made with trees sourced from Native American Tribal Lands in New Mexico Flooring boards are 3/4" thick and packed random lengths of 18" up to 8 ft long, 16.5 sq. ft./bundle Pre-Finished with wire-brush then clear oil stain cured with UV-Light and are scratch-resistant Nail or Glue-Down on OSB, wood sub-floor or onto concrete slab (with or without radiant heating) Boards are Tongue & Groove and 5 1/4" wide (other widths of 3 1/4" and 7 1/4" are available)