The Heirloom Collection are wire brushed, hand scraped, hand distressed, carbonized and smoked floors* UV cured oil finish-25 yr finish, lifetime cons. (res). 3 yr finish, 25 yr cons. (comm). Character grading from select to heavy character. The smoking process highlights the color differences in the grain. Engineered hardwood product. 7/16" x 6"w x 48" & 24"L -glue, staple, float *Authorized dealer of Provenza.