WB Type Q Floor Hatch

Steel non-drainage single leaf covers are constructed of 1/4" diamond pattern plate and reinforced for a 150 lb/ft2 (732 kg/m2) live load. Features zinc plated and chromate sealed hardware, concealed hinges, and the T-CAMŽ lifting system for ease of operation. By Bilco.

Construction Specifications:
Material: Cover and frame are 1/4"steel
Cover: Diamond-pattern tread plate reinforced for 150 psf (732 kg/m2) live load
Frame: Steel angle frame with strap anchors welded around the perimeter
Hinges: Cast steel cam-action hinges that are concealed from the exterior of the door
Latch: Type 316 stainless steel slam lock with fixed interior handle and removable exterior turn/lift handle
Lift Assistance: Torsion bars that pivot on cam-action hinges. Automatic hold-open arm with grip handle release
Finish: Alkyd base red oxide primer
Hardware: Zinc plated/chromate sealed



WB Type Q Floor Hatch
S-WB Q
Type Q Floor Hatches


CAD Item # Size W x H Material Shipping Wt. Lbs.
Q1 24 x 24 Steel 122
Q2 30 x 30 Steel 166
Q3 36 x 30 Steel 190
Q4 36 x 36 Steel 219
Q-D1 (steel double leaf) available upon request
Q-1AL (Aluminum) and Q-DAL (Aluminum double leaf) available upon request