30" x 96" Service Stair Access Roof Hatch - Steel Curb & Aluminum Cover - Bilco

L40 30" x 96" Service Stair Access Roof Hatch – Steel Curb & Aluminum Cover – Bilco 

The L40 boasts durable steel curb and aluminum cover that ensures incomparable stability and security to the roof hatch. The materials and its well-tailored structural design ideally suit well to standard utility stairs allowing service personnel hassle-free access to the roof during scheduled installation, maintenance, and repair service.  

Why Install L40? 

Durability: The 11 gauge (2.3 mm) aluminum cover’s structural design is intrinsically strengthened for 40 psf (195 kg/m2) live load allowing to hold it without damages and ruptures.  

Accessibility: The product has an automatic arms lock that guarantees authorized personnel secure, safe and quick access during egress. It also helps service team to effortlessly bring and move equipment to the roof.  

Safety: The roof hatch's 3/8" (9 mm) sturdy and secure pintle hinges and the two-point latch system help prevent intruders from getting inside the building. In addition, the hinges aid authorized personnel in safely and smoothly opening and closing the cover, which mitigates the danger of injury. 

Specifications: 

Material (select one):  

• Steel: Cover and frame: 14 gauge (2 mm) G-90 paint bond galvanized steel.  
• Aluminum: Cover and frame: 11 gauge (2.3 mm).  
• Stainless Steel: Cover and frame: 14 gauge (2 mm) type 304 stainless steel 

Cover:  

• Brake formed 
• hollow-metal design 
• 1" (25 mm) concealed fiberglass insulation 
• 3" (76 mm) beaded 

• overlapping flange 
• fully welded at corners 
• internally reinforced for 40 psf (195 kg/m2) live load. 

Curb:  

• 12" (305 mm) in height 

• integral cap flashing 
• it has 1" (25 mm) fiberboard insulation 
• fully welded at corners 
• 3-1/2" (89 mm) mounting flange 
• It has 7/16" holes (11 mm) for securing the roof deck's frame. 

Gasket:  

• It has extruded EPDM rubber gasket permanently adhered to the cover. 

Hinges:  

• It has heavy-duty pintle hinges. 
• 3/8" (9 mm) Type 316 stainless steel hinge pins. 

Latch:  

• Enclosed two-point slam latch 
• Interior and exterior turn handle 
• padlock hasps. 

Lift Assistance:  

• It has compression spring operators encased in telescopic tubes. Automatic hold-open arm with grip handle release. 

Finish:  

• Steel: Alkyd base red oxide primer.  
• Aluminum: Mill Finish.  
• Stainless Steel: It uses type 304 stainless steel with a mill finish and electrochemical passivation of welds. 

Hardware: 

• Steel: All Hardware is zinc-plated/chromate sealed.  
• Aluminum: It uses type 316 Stainless steel hinges. All other Hardware is zinc-plated/chromate sealed.  
• Stainless Steel: It uses type 316 stainless steel. 

Get the Best Deal Today!  

Access Doors and Panels offers a vast collection of reliable and customizable roof hatches that your building needs! Call us at (800)-609-2917 and get the best deal for your existing and upcoming projects! You may also check our blogs and expert articles here to learn more about the product.