Specifications

Model	RHH
Material	Aluminum, 11 gauge Steel, 14 gauge galvanneal
Finish	Mill ANSI 70 Gray or High Reflectance White Powder Coat
Cover	Formed metal cover with liner, stiffened to withstand a live load of 40psf with a max deflection of 1/150 the span
Curb	Single wall curb with railing ready EZ tab counterflash and mounting flange
Insulation	1 inch polystyrene in cover, 1 inch polyiso around curb; R-6
Gasket	Extruded EPDM adhesive backed acoustic gasket seal, continuous around curb and cover to assure a continuous seal
Hold Open Arm	Zinc plated steel automatic hold open arm locks cover in open position
Latch	Zinc plated steel latch with exterior and interior turn handle and padlock hasp.
Warranty	Five (5) years
Certification	Florida Product Approval FL22631, Miami-Dade County Approved NOA# 17-0207.11, Expiration Date May 25, 2022.
SINGLE POINT LATCH
Spring	Gas spring with damper for smooth, controlled lift assistance
Hinge	Heavy-duty pintle hinge with stainless steel hinge pin
Pull Handle	Interior safety pull down handle, yellow powder coat
2-POINT LATCH
Spring/Hinge Assembly	Zinc plated steel tamper-proof hinges contained within spring assembly, includes steel compression springs.

Order Guide

Use the table below to guide specification of available options. The part number components are indicated in BOLD ORANGE text.

STEEL MODEL	ALUMINUM MODEL	SIZE	ACCESS	DOOR	CURB	LATCH
RHHG30X54S1T	RHHA30X54S1T	30 x 54	Ship Stair	Single	Single Wall	Single Point
RHHG30X72S1T	RHHA30X72S1T	30 x 72	Ship Stair	Single	Single Wall	2-Point
RHHG30X96S1T	RHHA30X96S1T	30 x 96	Ship Stair	Single	Single Wall	2-Point
RHHG36X30S1T	RHHA36X30S1T	36 x 30	Ladder	Single	Single Wall	Single Point
RHHG36X36S1T	RHHA36X36S1T	36 x 36	Ladder	Single	Single Wall	Single Point
RHHG36X72S1T	RHHA36X72S1T	36 x 72	Ship Stair	Single	Single Wall	2-Point
RHHG48X48S1T	RHHA48X48S1T	48 x 48	Ladder	Single	Single Wall	Single Point

Additional sizes available, call for more information.

Videos

Parts and Maintenance
Catch
Installing Rivnuts

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Parts and Maintenance

Catch

Installing Rivnuts

REPLACEMENT PARTS

Coming soon.

WARRANTY

NYSTROM warrants all Roof Hatches to be free from manufacturing defects in materials, factory finishes, and workmanship for a period of five (5) years from the date of shipment.

Should a product fail to function in normal use within this period, Nystrom shall furnish a replacement or new part at Nystrom's discretion. Failure to use product in methods consistent with Nystrom product manuals shall relieve Nystrom of any liability. Our liability under this warranty excludes installation or removal costs involved in the product replacement and excludes any responsibility for incidental or consequential damage of any nature.

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For information on a warranty claim, please visit our Warranty Support section or call 800 547-2635.

Warranty Support

Description	Model	Shop Drawing	CAD	Revit/BIM	Data Sheet	3-Part Specs	LEED	Installation	Warranty
36 X 30 Aluminum Ladder Access	RHHA 30X36S1T	PDF			PDF	WORD	WORD	PDF	PDF
36 X 36 Aluminum Ladder Access	RHHA 36X36S1T	PDF			PDF	WORD	WORD	PDF	PDF
48 X 48 Aluminum Ladder Access	RHHA 48X48S1T	PDF			PDF	WORD	WORD	PDF	PDF
30 X 54 Aluminum Ship Stair Access	RHHA 30X54S1T	PDF			PDF	WORD	WORD	PDF	PDF
30 X 96 Aluminum Ship Stair Access	RHHA 30X96S1T	PDF			PDF	WORD	WORD	PDF	PDF
36 X 30 Steel Ladder Access	RHHG 30X36S1T	PDF			PDF	WORD	WORD	PDF	PDF
36 X 36 Steel Ladder Access	RHHG 36X36S1T	PDF			PDF	WORD	WORD	PDF	PDF
48 X 48 Steel Ladder Access	RHHG 48X48S1T	PDF			PDF	WORD	WORD	PDF	PDF
30 X 54 Steel Ship Stair Access	RHHG 30X54S1T	PDF			PDF	WORD	WORD	PDF	PDF