The Tunnel (2013)

Episode Overview

This Old House takes viewers on an insightful journey through the manufacturing processes behind essential building materials. Kevin tours various factories in the United States and Canada to discover the creation of precast concrete foundation walls, framing lumber, and doors. Meanwhile, Richard embarks on an expedition to witness the crafting of bathtubs and the melting of glass for windows, shedding light on the skilled craftsmanship involved in home construction and finishing.