Hatches by Size

The Bilco S-20 is a 36-inch by 30-inch Type S roof hatch designed for ladder access. Its insulated cover and curb, fully gasketed design, overlapping cover with counterbalanced lift make for easy one-hand operation. The hatch is constructed in either galvanized steel or aluminum, with compression spring operators, a slam latch with interior and exterior handles, padlock hasps, and Bil-Clip flashing at the curb to integrate with roofing. Key Features: Counterbalanced cover with automatic...

The Bilco S-50 is a 36-inch by 30-inch Type S roof hatch designed for fixed interior ladder access. It features an overlapping, brake-formed hollow-metal cover with 1″ concealed fiberglass insulation and fully insulated curb. It includes EPDM gasket, corrosion-resistant hardware, compression spring lift assistors, and an automatic hold-open arm. Cover and frame are available in aluminum (11 gauge) or galvanized steel (14 gauge), giving durability and weather tightness. Key Features:...

The Bilco S-50TB is a 36-inch by 30-inch thermally broken roof hatch designed for ladder access. It features an aluminum cover and frame, with 3″ (75 mm) polyisocyanurate insulation in the cover and curb providing R-20 performance. The hatch includes a beaded overlapping flange, fully welded corners, EPDM gasket, stainless steel pintle hinges, slam latches with interior/exterior handles and padlock hasps, compression spring lift assistance, and an automatic hold-open arm. Key Features:...

The Bilco S-50VM is a 36-inch by 30-inch VersaMount roof hatch designed for replacement over existing curbs. It features an aluminum cover and curb with 1″ concealed fiberglass insulation, a low-profile curb incorporating a built-in flange and apron, and an anchor clip system for watertight installation. Operation is enhanced by compression spring operators, an automatic hold-open arm, and a positive slam latch with interior and exterior handles and padlock hasps for reliable security. Key...

The Bilco GS-50 is a 36-inch by 30-inch Type GS roof hatch that provides the added benefit of a skylight. Built with an aluminum cover and curb, it includes a clear polycarbonate dome, fully insulated cover and curb, overlapping flange design, welded corners, and EPDM gasket for weather tightness. It operates with compression spring operators and includes an automatic hold-open arm to support safe access and easy one-hand operation. Key Features: Polycarbonate dome roof hatch cover provides...

The Bilco E-20 is a 36-inch by 36-inch Type E roof hatch designed primarily for ladder access. It features either galvanized steel or aluminum cover and frame, with 1″ insulation in cover and curb, EPDM gasket, and a hold-open arm that locks the cover in the open position. Operation is aided by compression spring operators, and the hatch includes overlapping flange design, fully welded corners, and the Bil-Clip flashing system for secure installation of roofing material. Key Features: Ladder...

The Bilco NB-20 Roof Hatch provides a 30 inch by 54 inch opening designed for ship stair access, offering more clearance than ladder access hatches. Its insulated cover and curb improve energy efficiency, while fully welded corners and an EPDM gasket ensure weather-tight performance. Constructed from heavy-gauge galvanized steel, aluminum, or stainless steel, the NB-20 is built for demanding commercial applications. Compression springs provide easy, one-hand operation, and the automatic...

The Bilco E-50TB is a 36-inch by 36-inch thermally broken roof hatch designed for ladder access. It features a brake-formed aluminum cover and frame, each insulated with approx 3″ (75 mm) polyisocyanurate insulation for improved energy performance. Its design includes a beaded, overlapping flange, fully welded corners, EPDM gasket permanently adhered to cover, stainless steel pintle hinges, slam latch with interior/exterior handles and padlock hasps, lift-assistance via compression spring...

The Bilco NB-50 Roof Hatch is designed for ship stair access, providing a 30 inch by 54 inch clear opening for safe and convenient rooftop entry. Constructed from heavy-gauge galvanized steel, aluminum, or stainless steel, it is built for strength and durability. Fully insulated cover and curb reduce energy transfer, while the EPDM gasket and fully welded corners maintain a weather-tight seal. The NB-50 includes compression spring operators for one-hand operation and an automatic hold-open arm...

The Bilco F-40 Roof Hatch is designed to provide secure ladder access through a 48 inch by 48 inch roof opening. Built with heavy-gauge galvanized steel, aluminum, or stainless steel, it offers long-lasting durability. The insulated cover and curb improve energy efficiency while the compression spring hardware ensures smooth and easy operation. Fully welded corners and an EPDM gasket help maintain a weather-tight seal in demanding rooftop environments. Key Features: 48x48 opening for ladder...

The Bilco S-20VM is a roof hatch designed for replacement over an existing curb without requiring re-roofing. Sized at 36″×30″ for ladder access, it includes a low-profile curb with a built-in apron and anchor clip system for secure installation. It offers a galvanized steel cover and frame with 1″ insulation, overlapping flange, welded corners, EPDM gasket, compression springs, a slam latch with handles both inside and outside, and an automatic hold-open arm for safety. Key Features:...

The Bilco E-50 is a 36-inch by 36-inch Type E roof hatch for ladder access applications. It is constructed with heavy-gauge materials (galvannealed steel, aluminum, or stainless as options), includes 1″ insulation in both cover and matching curb, and features overlapping cover design with fully welded corners and an extruded EPDM gasket for weather tightness. Operation is aided by compression spring operators, and it includes an automatic hold-open arm, positive latch mechanism, and the...

The Bilco NB-50TB is a thermally broken roof hatch sized 30-inch by 54-inch designed for ship stair access. It uses aluminum cover and frame, both insulated with approximately 3-inch (75 mm) polyisocyanurate for R-18 thermal performance. The hatch features an extruded EPDM gasket permanently adhered to the cover, heavy-duty pintle hinges with stainless steel hinge pins, a slam latch with interior/exterior handles and padlock hasps, lift assistance via compression spring operators enclosed in...

The Bilco F-50 roof hatch is a 48 inch by 48 inch ladder-access hatch built for durability and smooth, one-hand operation. Its insulated cover and curb, overlapping design, and EPDM gasket help ensure weather tightness. Heavy-duty hardware, compression springs, and a hold-open arm support safe access and long service life. Key Features: 48x48 opening for ladder access and maneuvering small tools or materials Insulated cover and curb with EPDM gasket for weather tightness Compression spring...

The Bilco NB-50VM is a 30-inch by 54-inch aluminum VersaMount roof hatch designed to replace damaged hatches without removing roofing membrane. It has a low-profile curb with built-in flange and apron, an anchor clip system, and a fully insulated cover and curb with EPDM gasket. Lift is assisted by compression springs, and it includes an automatic hold-open arm, slam latch with interior and exterior handles, padlock hasps, and is constructed with welded corners and weather-tight build. Key...

The Bilco F-50TB is a 48″ by 48″ thermally broken roof hatch designed for energy efficiency and equipment access. Its cover and frame feature a thermal break to minimize heat transfer, while R-18 polyisocyanurate insulation provides superior thermal resistance. The unit includes weatherproof gasketing, stainless steel hardware, and a reinforced cover capable of supporting live loads. Key Features: Thermally broken cover and curb to minimize heat transfer and condensation R-18 insulation in...

The Bilco GS-50TB is a 36-inch by 30-inch thermally broken roof hatch designed for ladder access. It is built with an aluminum cover and curb, a clear polycarbonate dome, and an overlapping flange for weather tightness. Both the cover and curb are insulated with R-18 polyisocyanurate. The hatch features compression spring operators inside telescopic tubes, a stainless steel pintle hinge, a slam latch with interior and exterior handles, padlock hasps, and an automatic hold-open arm for safe...

The Bilco L-20VM is a VersaMount Type L roof hatch sized 30″×96″ designed for replacement over existing curbs without re-roofing. It includes a low-profile curb with built-in flange and apron and an anchor clip system for quick, weather-tight installation. The cover and curb are insulated, with overlapping design, welded corners, EPDM gasket, spring-assisted lift and secure latching hardware for safe and durable performance. Key Features: Built-in flange, apron, and anchor clip system to...

The Bilco L-50TB is a thermally broken Type L roof hatch sized 30″×96″ with aluminum cover and curb construction. It features approximately R-18 polyisocyanurate insulation in the cover and curb, EPDM gasket, a beaded overlapping flange design, and fully welded corners to provide weather tightness and energy efficiency. The hatch is reinforced for a 40 psf live load and includes compression spring operators, stainless steel hinges, slam latch with interior/exterior handles, and an automatic...

The Bilco L-50 is a 30″ by 96″ aluminum Type L roof hatch engineered for frequent service stair access. It features a hollow-metal cover and curb with 1″ (25 mm) concealed fiberglass insulation, overlapping cover design, welded corners, and EPDM gasket to ensure weather-tight performance. It includes compression spring operators, automatic hold-open arm, and secure hardware for reliable one-hand operation and building security. Key Features: Aluminum cover and frame (11 gauge) for light weight...

The Bilco L-50VM is a 30-inch by 96-inch VersaMount Type L roof hatch designed for retrofit replacement over existing curbs without removing roofing membrane. It comes with a low-profile curb featuring built-in flange and apron, and uses anchor clips for secure, weather-tight attachment. The aluminum cover and curb include insulation, EPDM gasket, overlapping cover design, and welded corners, along with compression spring lift assistance, hold-open arm, and durable latch hardware. Key...

The Bilco NB-20VM is a 30-inch by 54-inch VersaMount roof hatch designed for ship stair access. It is intended for retrofit over an existing curb, eliminating the need to remove roofing membrane. The hatch uses galvanized steel construction with a low-profile curb, built-in apron, anchor clip system, 1″ (25 mm) concealed fiberglass insulation in cover and curb, overlapping flange, fully welded corners, EPDM gasket, compression spring operators, slam latch with interior/exterior handles, and a...