KD Wood - Good LumberKiln Dried Wood Good Lumber KD Wood Size (and commercial finish size) reference: in thickness x width dimension 1 x 2 ~(15mm x 38mm) 1 1 2 x 2 ~(30mm x 35mm) 2 x 2 ~(35mm x 38mm) 1 x 3 ~(15 mm x 65mm) 2 x 3 ~(35mm x 65mm) 1 x 4 ~(15mm x 90mm) 2 x 4 ~(35mm x 90mm) Length: in 8ft, 10ft and 12ft Uses Area of Application ideal for furniture manufacturers, sash factory for conventional wall and ceiling partitions for wall and ceiling design finishing