Pine Lumber Thickness: 26/32/36/45/50+ mm Width: 100/150/200+ mm Length: 2200/2500/2800/3000+ mm Heat treatment: Steaming light 10-12 hours, uniform color. Drying: KD, KD 8-12% Markings: timber is packed with one length in the bundle and can have markings at customer request A grade: 4 sides clear without knots and / or hearts AB grade: 4 sides clear - on one side of the piece of timber found traces of hearts healthy and / or a healthy node. BC grade: 3 sides clear - allowed red heart, knots, bends and small cracks.