Type S roof hatches, 36" x 30" (914mm x 762mm), provide convenient, reliable access to roof areas by means of a fixed interior ladder. Product 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.
- Engineered with compression spring operators to provide smooth, easy, one-hand operation, regardless of size
- Automatic hold-open arm locks the cover in the open position to ensure safe egress
- Overlapping cover design, full welded corners on cover and curb, EPDM rubber gasket, and fully insulated cover and curb ensure weathertightness and energy efficiency
Cover and frame are 14 gauge (2 mm) G-90 paint bond galvanized steel.
Cover: Brakeformed, 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 capflashing, 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.
Finish: Steel: Alkyd base red oxide primer.
Hardware: Engineered composite compression spring tubes with steel compression springs packed in grease. All other hardware is zinc plated/chromate sealed.