Overall Width: 1.5″ (38.10 mm)
Main Body Thickness / Installation Height: 1.25″ (38.10 mm)
Note: Key profile dimensions shown above. Both critical dimensions are 38.10 mm, forming a near-square cross-section. Compatible with standard transom and door frame structures.
Designed for transom applications – Specifically for horizontal division between door and transom window
Square profile – 1.5″ x 1.25″ near-square cross-section for stability and aesthetics
Structural support – Firmly carries the weight of the transom window, enhancing overall door opening strength
Visual separation – Creates a clear transition line between door and transom light
Durable material – Resistant to warping and weathering; reliable for long-term use
Easy installation – Can be screwed or adhered between the left and right door frame jambs
Horizontal mull between entry doors and above transom windows
Partition bar between interior doors and fanlights
Decorative transom bar for commercial storefronts
Building entrances requiring additional overhead lighting
Ensure the left and right door frame jambs are level and accurately spaced before installation
Horizontally secure the transom mull between the two jambs
Install the transom window frame above and the door frame below the mull
Use sealant along joints for improved air and water tightness