National’s logo with former warehouse locations
National Woodworks main entrance at 2201 29th Avenue N, Birmingham, Alabama
Sash parts production line
Sash parts inspector checking for defects before assembly
TDL sashes during the putty glazing process
Glaziers applying and shaping putty on sashes
Some glaziers could glaze a sash in only a few minutes
Part of a warehouse stocked with completed window units
Another stocked warehouse of finished units