VersaMount Roof Hatch Models
Type S-20VM, NB-20VM, L-20VM, S-50VM, NB-50VM, L-50VM
Standard Features and Benefits
-
Built-in apron simplifies installation on existing curbs and ensures watertightness
-
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
-
Constructed with corrosion resistant materials to provide many years of trouble free, dependable service
-
Heavy gauge construction and positive latching mechanism maintain building security
-
Available in many sizes and curb configurations to satisfy any requirement or installation
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: 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: 4" (102mm) in height, breakformed hollow-metal design with 1" (25 mm) concealed fiberglass insulation, 2-5/8" (67 mm) mounting flange and 1-1/2" (38 mm) apron, fully welded at corners. Stainless steel anchor clips are included.
-
Gasket: Extruded EPDM rubber gasket permanently adhered to the 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. Aluminum: Mill Finish. Stainless Steel: Type 304 stainless steel with bead blast finis
-
Hardware:
-
Steel: Engineered composite compression spring tubes and steel compression springs packed in grease. All other hardware is zinc plated/chromate sealed.
-
Aluminum: Engineered composite compression spring tubes and steel compression springs packed in grease. Type 316 Stainless steel hinges. All other hardware is zinc plated/chromate sealed.
U.S. Patents 6,347,818 6,672,020
