early systems and development. Prefab floor systems had already been introduced before the Second World War. These varied from beam and block systems, hollow core slabs (with typically only one hollow core, as opposed to the post war counterparts with several adjacent hollow cores inside), and prefabricated slabs made with hollow bricks.
Enjoy refined style and easy elegance with the Masonite Primed 2 Panel Square Hollow Core Composite Interior Door Slab. The industry benchmark for all composite wood doors, expert construction results in a more durable door that resists warping, shrinking and cracking better than a solid wood door.
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