The largest windowing machine made by Heiber + Schröder, the WP 1400 MASTER will accept blanks from 3.9 x 3.2” to 49.6 x 55”. The new machine can place windows or liners from 2.16 x 1.18” to 35.4 x 48.8” giving it the ability to place the largest windows available in the market. The WP 1400 MASTER processes a wide range of materials from 18 pt to 36 pt board and corrugated paperboard from ‘N’ flute through ‘C’ flute. Film and foil capabilities range from .02 to .35mm (13 pt window thickness in roll format) and include a wide range of material types.