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Bilco NB-20
Bilco NB-20
Bilco NB-20 Type NB Roof Hatch - Ship Stair Access - 30" x 54" - Galvanized Steel Cover And Curb
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Price:
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1,984.15 USD
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Product Description:
Bilco NB-20 Type NB Roof Hatch - Ship Stair Access - 30" x 54" - Galvanized Steel Cover And Curb
Ship Stair Access Roof Hatch
Size: 30" x 54"
Material: Galvanized Steel Cover And Curb
Specifications
Material:
Steel - Cover and frame are 14 gauge (2 mm) G-90 paint bond galvanized 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 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:
Enclosed two-point 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:
Alkyd base red oxide primer.
Hardware:
All hardware is zinc plated/chromate sealed.
Features
Type NB roof hatches, 30" x 96" (762mm x 1372mm), are ideal for installations where frequent use may be expected. Permits easier movement of maintenance personnel, tools & equippment.
Miami-Dade County and 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 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 weather tightness 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
NOTES:
Bilco now offers three additional standard-sized roof hatches that are certified by the Miami-Dade County Building Code Compliance Office and Florida Building Commission. The hatches are specifically designed and tested to withstand hurricanes and severe weather systems and the new sizes offer more options for architects that are specifying roof hatches more projects located in hurricane zones. Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder, ship stair or service stair.
Commercial Product Catalog
L Roof Access Drawing
L-HZ Roof Access Drawing Miami Date Approved
Installaton Instructions
Operational Instructions
Bilclip Instructions
Curb Options
White Paper Roff Hatch Fire Ratings
Roof Hatch Standard Sizes
Bilco Parts for Type NB-20, NB-40, NB-50, NB-90 Roof Hatches
Item
Part #
Description
Specifications
1
RPRS12
Pintle Hinge Assembly (one hinge)
Includes hinge pin, cotter pin, fasteners
1
RPRS12SS
Pintle Hinge Assembly - Stainless Steel (one hinge)
Includes hinge pin, cotter pin, fasteners (standard on aluminum roof hatches). This item is used on non-ferrous versions of the S-90 and is not standard equipment supplied originally with the S-90.
2
RPRS4026
EPDM Cover Gasket
Order number of feet required
3
RPRS7
Complete Lock Assembly
Includes lock, handle assembly, cover hasp, combination hasp/lock strike, and fasteners
3
RPRS7SS
Complete Lock Assembly - Stainless Steel
Includes lock, handle assembly, cover hasp, combination hasp/lock strike, and fasteners. This item is used on non-ferrous versions of the S-20 and is not standard equipment supplied originally with the S-20.
3A
RPRS7-1
Lock Box Only
Includes lock box only and fasteners
3A
RPRS7SS-1
Lock Box Only - Stainless Steel
Includes lock box only and fasteners. This item is used on non-ferrous versions of the S-20 and is not standard equipment supplied originally with the S-20.
3B
RPRS8
Turn Handle Assembly Only
Includes handle assembly and fasteners
4
RPRS3445P
14-1/4" LH hold open arm
Includes track and fasteners
4
RPRS3447
14-1/4" LH hold open arm - Stainless Steel
Includes track and fasteners
5
RPRS4820P
14-1/4" guide open arm
Includes track and fasteners.
5
RPRS4822
14-1/4" guide open arm - Stainless Steel
Includes track and fasteners. This item is used on non-ferrous versions of the L-90 and is not standard equipment supplied originally with the L-90.
6
Special Order
Compression Spring Operators
Contact us for pricing at 844-809-3667 or sales@absupply.net
Questions and Answers
Q: can you confirm it can be installed on a sloped roof?
A:
Yes it can. We would need to know direction you want the hatch to open and the roof pitch.
(Required, used to email you once question is answered.)
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