37.5″ x 81.75″ 20-Minute Fire-Rated 6-Panel Interior Door, LH, Primed, 4-9/16″ Jamb

This prehung, left-hand inswing interior door features a 1-3/4″ solid core and a verified 20-minute fire rating for added safety in residential or light commercial spaces. The classic 6-panel, paint-ready primed slab is mounted in a 4-9/16″ finger-jointed jamb with a 37.5″ x 81.75″ net frame for straightforward installation and a clean, traditional look.

Why choose this fire-rated 6-panel door?
A 20-minute label supports code compliance at key locations. The solid-core build helps dampen sound and improve durability over time. The primed finish speeds painting, and the 4-9/16″ jamb fits common wall depths, making it a reliable, easy-to-install choice for safety without sacrificing style.

• Brand: Mad Dog Doors
• Category: 20 Minute Fire Rated
• Handing: Left Hand In Swing
• Height: 81.75 Inches
• Width: 37.5 Inches