48" x 48" Equipment Access Roof Hatch - Stainless Steel - Double Leaf - Bilco

D-90 48" x 48" Equipment Access Roof Hatch - Stainless Steel - Double Leaf – Bilco  

The D-90 Equipment Access Roof Hatch - Stainless Steel is a durable double-leaf access door that allows service personnel to bring and install equipment quickly to the roof. It is sustainable and resistant to wear and tear, making it withstand different weather conditions for longer.  

Why Install D-90?  

Durability     

Bilco equips the D-90 equipment access roof hatch's cover and frame with 14 gauge (2 mm) Type 304 Stainless Steel thick to ensure its structural design to hold equipment, materials, or a live load of 40 psf (195 kg/m2).  

Safety  

The heavy-duty pintle hinges with 3/8" (9mm) type 316 stainless steel hinge pins, compression spring operators, and automatic hold-open arm features provide safe access to the service team by preventing the cover from accidentally opening or closing.    

Accessibility  

The wide opening and the roof hatch's double-leaf allow authorized personnel to quickly move equipment, machines, and tools to the roof.  

Specifications:  

Material Used (select one):   

Stainless Steel:   

Covers and frame:   

• It has 14 gauge (2mm) type 304 stainless steel.   

Covers:   

• Brake formed, hollow-metal design   
• 1" (25mm) concealed fiberglass insulation   
• 3" (76mm) beaded, overlapping flange   
• Fully welded at corners   

• Strengthened internally to accommodate a 40 psf (195 kg/m2) live load.   

Curb:   

• 12" (305mm) in height with integral cap flashing   
• 1" (25mm) fiberboard insulation   
• Fully welded at corners   

• 3-1/2" (89mm) mounting flange   
• It has 7/16" holes (11mm) for securing the frame to the roof deck.   

Gasket:   

• Extruded EPDM rubber gasket permanently adhered to the cover.   

Hinges:   

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

Latch:   

• Single leaf: Slam latch with the interior and exterior turn handles and padlock hasps.    
• Double leaf: Enclosed two-point spring latch with interior and exterior turn handle and padlock hasps.   

Lift Assistance:   

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

Finish:   

• Steel: Alkyd base red oxide primer.   

• Aluminum: Mill Finish.   
• Stainless Steel: Type 304 stainless steel with bead blast finish   

Hardware:   

• Steel: Engineered composite compression spring tubes with steel compression springs packed in grease. All other hardware is zinc-plated/chromate sealed.   
• Aluminum: Engineered composite compression spring tubes. Steel compression springs with electro-coated acrylic finish. 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.