There are many different types of effects created in spalted woods from a loss of pigmentation producing a patchy or marbled effect of different shades of cream and brown. Through soft white rot pockets to the most desirable & striking black, brown or red lines. A: Many timbers can spalt but Alaskan Birch is one of the most beautiful!
Spalting is a term used to describe the process by which certain fungi grow on dead or fallen trees and after colonizing the wood via traveling up the wood cells from the ends or from broken off branches leaves a most attractive pattern of which no two sets are ever alike. The process takes 2-3 years to reach the ideal stage to cut and season the birch timbers. The more spalting, the more valuable the pieces.