Drying of the wood: the moisture prior to any kind of handling must be situated between 12 and 14%.
Planing of the four sides of each lath.
Cutting of the laths: the saw will enable the top quality laths to be brought out.
Quality control of each strip.
Jointing of short laths: thanks to this technique, the direction of the grain is broken. The jointed laths are planed on four sides and will serve as the central lath for the profile of the frame. The exterior laths constituting a single piece.