Prices are subject to change.

S-20 Bilco Roof Hatch #S-20



Type S roof hatches, 36″ x 30″ (914mm x 762mm), provide convenient, reliable access to roof areas by means of a fixed interior ladder. Our type s roof hatch features a counter-balanced cover design for easy one-hand operation and fully gasketed and insulated construction for weather resistance. Available in galvanized steel or aluminum construction.
Type S Roof Hatch Models
Type S-20, S-40, S-50, S-90

Standard Features and Benefits:
 Florida Building Commission approval for use in high
velocity hurricane zones with large and small missile impact.
Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size

Automatic hold-open arm locks the cover in the 70-degree open position to ensure safe ladder access

Overlapping cover design, full welded corners on cover and curb, EPDM rubber gasket, and fully insulated cover and curb ensure weathertightness and
energy efficiency

Constructed with corrosion resistant materials to provide many years of trouble free, dependable service

Heavy gauge construction and positive latching mechanism maintain building security

Curb features the Bil-Clip® flashing system, an innovative method to quickly and easily secure single-ply roofing material to Bilco roof products

Available in many sizes and curb configurations to satisfy any requirement or installation

*Standard Type S-20 and S-50 models are approved
Guide Specifications
Material (select one):

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

Cover: Brake formed, hollow-metal design with 1″ (25 mm) concealed fiberglass insulation, 3″ (76 mm) beaded, overlapping flange, fully welded at
corners, and internally reinforced for 40 psf (195 kg/m2) live load.
Curb: 12″ (305 mm) in height with integral cap flashing, 1″ (25 mm) fiberboard insulation, fully welded at corners, and 3-1/2″ (89 mm) mounting flange with
7/16″ holes (11 mm) provided for securing frame to the roof deck.
Gasket: Extruded EPDM rubber gasket permanently adhered to cover.
Hinges: Heavy-duty pintle hinges with 3/8″ (9 mm) Type 316 stainless steel hinge pins.
Latch: Slam latch with interior and exterior turn handles and padlock hasps.
Lift Assistance: Compression spring operators enclosed in telescopic tubes. Automatic hold-open arm with grip handle release.

Steel: Alkyd base red oxide primer.
Aluminum: Mill Finish.

Stainless Steel: Type 304 stainless steel with mill finish and electrochemical passivation of welds.
Steel: All hardware is zinc plated/chromate sealed.
Aluminum: Type 316 Stainless steel hinges. All other hardware is zinc plated/chromate sealed.
Steel:Type 316 stainless steel.

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