WB Type K & KD Floor Hatch

Aluminum non-drainage door single or double 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" aluminum
Cover: Diamond-pattern tread plate reinforced for 150 psf (732 kg/m2) live load
Frame: Extruded aluminum angle frame with strap anchors bolted 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 camaction hinges. Automatic hold-open arm with grip handle release
Finish: Mill finish aluminum with a bituminous coating applied to the exterior of the frame
Hardware: Zinc plated/chromate sealed



WB Type K & KD Floor Hatch
S-WB K
S-WB KD
 Type K & KD Floor Hatches


CAD - K CAD - KD Item # Size W x H Wall Opening
K-1 Aluminum 24 x 24 50
K-2 Aluminum 30 x 30 65
K-3 Aluminum 36 x 30 77
K-4 Aluminum 36 x 36 86
K-5 Aluminum 42 x 42 109