Roof Hatches Smoke Vents. Complementary B u i l d i n g Products

Transcription

1 Roof Hatches Smoke Vents Complementary B u i l d i n g Products

2 Roof Hatches Nystrom Roof Hatches and Scuttles are manufactured to solve all of your roof access needs. Custom sizing, materials, and color finishes ensure that whatever you need for your project, we ve got you covered. Shipped direct from our central manufacturing facility or from one of our strategically located stocking facilities, Nystrom delivers the hatches you need... Right to Site. Personnel Series: Fixed Ladder Nystrom s Personnel Series (Fixed Ladder) hatches provide safe, easy, and convenient roof access over fixed ladders. Personnel Series: Ship Stairs Nystrom s Personnel Series (Ship Stairs) hatches provide safe, easy, and convenient roof access over ship stairs. Personnel Series: Service Stairs Nystrom s Personnel Series (Service Stairs) hatches provide safe, easy, and convenient roof access over service stairs. SunLit Series Nystrom s SunLit Series hatches provide safe, easy, and convenient personnel roof access with the added green benefit of daylighting. Security Series Nystrom s Security Series hatches provide safe, easy, and convenient personnel roof access for traditional security applications like banks and correctional facilities in addition to homeland security concerns (ex. embassies, water treatment facilities, chemical plants). Equipment Series Nystrom is known industry-wide for our expertise in custom, exceptionally large equipment access roof hatches designed to meet clear, unobstructed opening requirements to install and replace equipment, such as pumps for water treatment plants fax Nystrom.com Copyright Nystrom 2009 Rev1

3 Roof Hatches Feature Specifications EZ Tab Detail Latch: Interior, zinc plated steel slam latch with interior padlock hasp. Hinge/Springs: Tamper proof, heavy-duty zinc plated steel designed as part of spring assembly. Steel compression springs enclosed in telescopic tubes : 12 high single wall curb with EZ tab counterflash. Hold Open Arm Assembly: Locking hold open arm with red grip pull handle release. Holds door open to 78. Mounting Flange: 3.5 flange with.625 diameter bolt holes. Turn Handle: Zinc-plated steel exterior weather sealed turn handle with exterior padlock hasp. Cover: Stiffened to withstand a live load of 40 psf with a max deflection of 1/150th of the span. Cover withstands a standard wind uplift of 20 psf. Finish: Superior corrosive resistant factory-applied powder coat paint, standard gray. Insulation: 1 rigid fiberboard insulation at curb perimeter and 1 polystyrene in cover. Copyright Nystrom 2009 Rev fax Nystrom.com 3

4 Roof Hatches: Personnel Ship Stair Access Model shown: RHPG30X54S1T Service Stair Access Model shown: RHPG30X96S1T fax Nystrom.com Copyright Nystrom 2009 Rev1

5 RHP-Personnel Series Ladder Access Model shown: RHPG36X30S1T Roof Hatches: Personnel COVER LINER BOLT HOLE 7.8 Width (Rough Opening) 3.5 Typ. Select choices to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. A B C G RHP Series Order Guide Material & finish 11 ga Aluminum curb & cover, mill finish 14 ga Galvanized curb, powder coat gray & 11 ga aluminum cover, mill finish 11 ga Aluminum curb & cover, clear anodized 14 ga Galvanized curb & cover, powder coat gray 36 x x x 48 Series Material width length X RHP Examples of Common width X Length ladder ship stair service stair 30 x x 54 All roof hatches are hinged on the length dimension. Rough opening = hatch size. 30 x x x 120 S 1 Single wall curb 2 Double wall curb 3 mount T Flange mounting style Copyright Nystrom 2009 Rev fax Nystrom.com 5

6 Roof Hatches: SunLit Nystrom s SunLit Series provide safe, easy, and convenient personnel roof access with the added green benefit of daylighting. RHL-SunLit Series SunLit Series Model shown: RHLA36X30S1P SINGLE DOME CLEAR POLYCARBONATE UV COATED R13 INSULATION 11 GA. ALUMINUM COVERS 18 GA ALUMINUM LINERS QUICK RELEASE PALM LATCH 1 INSULATION AROUND CURB.625 BOLT HOLE PALM LATCH WITH INTERIOR PADLOCK HASP Width (Rough Opening) 3.5 Typ. Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. A B RHL Series Order Guide Material & finish 11 ga. Aluminum curb & cover, mill finish 14 ga Galvanized curb, power coat gray & 11 ga Aluminum cover, mill finish RHL X Series Material width length S P Examples of Common width X Length 36 x x x x 48 Hinged on the length dimension. Rough opening = hatch size. Flange mounting style 1 Single wall curb 2 Double wall curb 3 mount fax Nystrom.com Copyright Nystrom 2009 Rev1

7 RHS-Security Series Roof Hatches: Security Nystrom s Security Series provide safe, easy, and convenient personnel roof access for traditional security applications such as, banks, correctional facilities, and buildings with homeland security concerns (e.g. embassies, water treatment facilities, chemical plants). Security Series Model shown: RHSG48X48S4T-D11 View Port Window Detention Lock shown with Brass Cover Plate for outside access 1 INSULATION COVER LINER DETENTION LOCK TURN HANDLE WITH EXTERIOR PADLOCK HASP 1 INSULATION LATCH HANDLE WITH INTERIOR PADLOCK HASP BOLT HOLE.8 Width (Rough Opening) 3.5 Typ. RHS Series Order Guide Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. A G Material & finish 1/4 Aluminum curb & cover, mill finish 3/16 Steel curb & cover, powder coat gray Examples of Common width X Length 36 x x x x 48 Hinged on the length dimension. Rough opening = hatch size. Series Material width length RHS X S T options Flange mounting style 1 Single wall curb (Standard) 2 Double wall curb 3 mount 4 Doublewall curb, no counterflash options D11 Detention Lock, Brinks 7016 int/ext access D12 Detention Lock, Brinks 7012 interior access D13 Detention Lock, Brinks 7012 exterior access OW1 View Port Window, 8 x 8, security glazing Copyright Nystrom 2009 Rev fax Nystrom.com 7

8 Nystrom is known industry-wide for our expertise in custom, exceptionally large equipment access roof hatches. Equipment Series hatches are designed with 90 opening doors to meet clear, unobstructed opening requirements. Stainless steel hardware is a common configuration for corrosive environments typical in waste-water treatment plants. RHE-Equipment Series Roof Hatches: Equipment Equipment Series Model shown: RHEA96X72D1T-OSS DOORS OPEN FULLY 90 1 INSULATION COVER TURN HANDLE WITH EXTERIOR PADLOCK HASP COUNTERFLASHING 1 INSULATION AROUND CURB.625 BOLT HOLE.8 Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. RHE A B G S INTERIOR TWO POINT ROTARY LATCH WITH TURNHANDLE AND PADLOCK HASP Clear Opening (Subtract 8 from Rough Opening) Width (Rough Opening) RHE Series Order Guide Material & finish 11 ga Aluminum curb & cover, mill finish 14 ga Galvanized curb, powder coat gray & 11 ga Aluminum cover, mill finish 14 ga Galvanized curb & cover, powder coat gray 14 ga Stainless steel 304 curb & cover, mill finish Series Material width length Door X Examples of Common width X Length 48 x x 96* 60 x x 120* 72 x x 216* Hinged on the length dimension. Rough opening = hatch size. *Larger sizes in aluminum only, spliced 2-piece construction 7 T 20 Ref or 4 Typ. options S D Door configuration Single door Double door Flange mounting style 1 Single wall curb (Standard) 2 Double wall curb 3 mount options OSS Stainless Steel Hardware fax Nystrom.com Copyright Nystrom 2009 Rev1

9 Roof Hatch Options Custom Finishes Nystrom offer custom-matched colors. Our corrosion-resistant, colored powder coat provides aesthetics and durability while eliminating the additional costs of on-site painting for our steel hatches. Kynar finishes available for aluminum hatches. Flange Mounting Style Door Position Sensor Door position sensors tie into the buildings alarm system for electrical signal notification of door usage and come pre-installed with required mounting brackets. LIMIT SWITCH BRACKET 1 Single Wall 2 Double Wall 3 Mount 4 Flange Single wall curb with counterflashing, used in membrane applications Custom Heights Double wall curb with counterflashing, used in universal applications mount with vertical mounting flange, used in applications where curbs are by others (standing seam metal roofs). Double Wall No Counterflash Double wall curb without counterflashing, used in concrete mounting applications. Nystrom offers custom curb heights to match the needs of any application. Standard curb height is 12. Custom curb heights range from LIMIT SWITCH Grab Bars Grab bars are available to assist in opening and closing the hatch and are an extension of the stair rail to ensure hatch egress safety. GRAB BAR Pitch-Corrected s is sloped to match roof pitch to maintain level doors to ensure proper operation. Recommended for roof pitches greater than 3:12. Insulation Improve your building s energy efficiency with upgraded and fully insulated roof hatches. Nystrom offers polyisocyanurate insulation with an R value of 6 per inch in widths of 1, 1.5, and 2 in the curb and/or cover. It is also intended for applications where condensation is a concern. INSULATION INSULATION Lock Options Nystrom offers mortise cylinder locks for added security and detention locks for maximum security. Brass cover plates seal out the elements and are standard on hatches requiring exterior lock access. When ordering locks, specify for interior only, exterior only, or interior and exterior keyed access. Mortise Cylinder Detention Copyright Nystrom 2009 Rev fax Nystrom.com 9

10 Safety Accessories SR: Safety Railing Systems Front Exit Model Shown: SRSG36X30FC Nystrom standard safety railing system for roof hatches with the fixed ladder mounted opposite the hinge. Front Exit Model Shown: SRSG48X48FC Nystrom standard safety railing system for roof hatches with the fixed ladder or stairway mounted opposite the hinge. Side Exit Model Shown: SRSG30X54SG Nystrom standard safety railing system for roof hatches with a side exit typical in ship stair and service stair applications. Shown with self-closing gate option. Material: 1 ¼ ID schedule 40 steel pipe Finish: Galvanized to ASTM A53 Pipe Caps: Weather and light resistant vinyl 1 ½ deep and fit snugly over pipe ends Hardware: Hex head bolts 3/8 x 2 ½ grade Z, zinc plated. Chain: 3/16 proof coil ASTM specification, zinc plated with quick links and 2 ½ zinc plated hoops on each end. Optional: self closing gate Side Exit Model Shown: SRSG30X96SG Meets OSHA Standard CFR SRS: Safety Railing System Order Guide width X Length 30 x x x x x 30 F S D exit Location Front exit Side exit, single door Side exit, double door C G Options Chain Self-closing gate Hatch size = railing size. Roof hatch Front is opposite of hinge. Counterflash mounted fittings avoid curb penetrations to protect roof integrity. SR S G Safety Railing Systems Nystrom safety railing system for roof hatches are available in a range of models and sizes to ensure safety compliance in every configuration. X Series width length Exit options fax Nystrom.com Copyright Nystrom 2009 Rev1

11 SLP: Safety Ladder Posts Order Guide Safety Accessories Model shown: SLP-1 Series SLP Material & Finish 1 Steel, red powder coat 2 Steel, hot dip galvanized 3 Aluminum, mill 4 Stainless steel, mill Safety Ladder Posts Material Nystrom safety ladder posts mount to fixed ladders beneath roof hatches to comply with OSHA safety standards to meet 200 lb design load for ladder safety devices. 1 Lifting handle 2 Release assembly with handle 3 Extended position locking bracket 4 Constant force balancing spring 5 Square tubing Square tubing Mounting channel - adjustable for ladder rung spacing up to 14 (approx.) 8 Clamp brackets with 3/8-16 x 3 long stainless steel bolts. Clamp brackets can be reversed to allow for larger sized ladder rungs from 3/4 to 1-1/4. Larger sized rungs will need longer bolts - NOT supplied. SN: Safety Netting Order Guide SN Series Safety Netting A width X length Nystrom safety nettings mount to beneath roof hatches to comply with OSHA safety standards. N Rail: Extruded Aluminum 6061 T6 Netting: Polyester, orange in color, breaking strength 5000lbs Meets OSHA Netting test specification and OSHA Drop test specification. Copyright Nystrom 2009 Rev fax Nystrom.com 11

12 Smoke Vents Nystrom Smoke Vents feature a variety of options to coordinate with specific fire detection and fire suppression systems. Electrical, manual, and remote opening options ensure that whatever the local code is we provide a solution that integrates with the buildings design and complies with industrystandards for smoke and heat venting including NFPA 204, UL 793, and FM Universal Series: Double Door & Quad Door Nystrom Universal Series storage/warehouse vents are rooftop venting systems for factories and industrial buildings that automatically opens, releasing heat, smoke and noxious fumes during a fire, as required by building code section 910. The Universal Series smoke vents may also be used in stage venting applications as required by IBC section 410. Nystrom Universal Series double door and quad door vents are UL 793 listed and FM4430 approved. Universal Series: Single Door Nystrom Universal Series Single Door hoistway vents are rooftop venting systems for hoistways, elevator shafts, and stairwells that automatically opens, releasing heat, smoke and noxious fumes during a fire. Reference IBC section 3004 for hoistway venting requirements. Acoustic Series Nystrom s Acoustic Smoke Vents are acoustically rated to STC 45 & OITC 37 and have UL 793 & FM 4430 labels with energy efficient R13 insulation for optimal envelope performance. Our innovative, upward opening design is for theaters and stage applications, as required by IBC section 410. SunLit Series Nystrom s SunLit Series vents are single-door rooftop venting systems with the added green benefit of daylighting that automatically opens, releasing heat, smoke and noxious fumes during a fire fax Nystrom.com Copyright Nystrom 2009 Rev1

13 Smoke Vents Finish: Superior corrosive resistant factory-applied powder coat paint, standard gray. Feature Specifications Cover: Cover is stiffened to withstand a live load of 40 psf and meets a 90 psf wind uplift. Hold Open Arm: Locks and holds door open to 90. Red grip handle for easy release. Shock Absorber: For controlled vent operation Hinge & Springs: Heavy-duty tamper-proof zinc-plated steel. Fully enclosed compression springs open vent covers automatically against 10 psf of wind or snow load. Latch: Zinc-plated steel pyrolatch with positive hold release mechanism Insulation: 1 rigid fiberboard at curb perimeter and 1 polystyrene in cover External Pull Handle : 12 high single wall curb with counterflash Flange: 3.5 flange with.625 diameter bolt holes Thermal Release: Fusible melt-out link, standard 165 F Manual Release: Interior and exterior manual pull cables Temperature: Fusible melt-out link available in 165 F, 212 F, 286 F, 350 F, and 370 F. Emergency Opening options Electrical: 24VDC or 110VAC electrical signals enable convenient electrical automatic vent opening when tied into buildings fire alarm system, smoke detector, or sprinkler system. Manual Winch: Manual winch provides convenient door closing from the floor level. Manual Winch remote closing options 3-Button Motorized Door Control Motor: Conveniently operate vent with Open / Close / Stop - push button control, 1/2 HP, 110 VAC motor with 24VDC relay for electrical automatic vent opening when tied to a fire alarm system. Copyright Nystrom 2009 Rev fax Nystrom.com 13

14 Smoke Vents: Universal Nystrom Universal Series storage/ warehouse vents are rooftop venting systems for factories and industrial buildings that automatically opens, releasing heat, smoke and noxious fumes during a fire, as required by building code section 910. The Universal Series smoke vents may also be used in stage venting applications as required by IBC section 410. Nystrom Universal Series double door and quad door vents are UL 793 listed and FM4430 approved. SVU: Universal Series STEEL OR ALUMINUM COVER AND LINER 1 INSULATION BRACKET HYDRAULIC SUPPORT Model shown: SVUG48X48D1A1R STEEL OR ALUMINUM COUNTERFLASHING 1 INSULATION AROUND CURB.625 BOLT HOLE PYROLATCH WITH FUSIBLE LINK HYDRAULIC SHOCK ABSORBER 12 INTERNAL & EXTERNAL MANUAL RELEASE HANDLE.8 Width (Rough Opening) SVU Series Order Guide 3.5 Typ. A B G Material & FINISH 11 ga Aluminum curb & cover, mill finish 14 ga Galvanized curb, powder coat gray & 11 ga Aluminum cover, mill finish 14 ga Galvanized curb & cover, powder coat gray Series Material width length Door opening closing SVU Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. flange mounting style 48 x x x 96 1 Single wall curb (Standard) 2 Double wall curb with counter flash 3 mount Examples of Common width X Length DOUBLE DOOR QUAD DOOR 60 x x x x 144 All smoke vents are hinged on the length dimension. Rough opening = vent size. X opening Temperature Electrical A 165 F 1 No electrical B 212 F 2 24VDC C 286 F 3 110VAC D Q Door configuration Double door Quad door closing R Rooftop (manual) W Winch M Motor - 3 button control fax Nystrom.com Copyright Nystrom 2009 Rev1

15 SVU: Universal Series Nystrom Universal Series Single Door hoistway vents are rooftop venting systems for hoistways, elevator shafts, and stairwells that automatically opens, releasing heat, smoke and noxious fumes during a fire. Reference IBC section 3004 for hoistway venting requirements. Smoke Vents: Universal STEEL OR ALUMINUM COUNTERFLASHING 1 INSULATION AROUND CURB STEEL OR ALUMINUM COVER AND LINER 1 INSULATION BRACKET HINGE AND SNUBBER SPRING ASSEMBLY SUPPORT HYDRAULIC SHOCK ABSORBER QUICK RELEASE 12 Model shown: SVUG36X30S1A1R.625 BOLT HOLE.8 Width (Rough Opening) 3.5 Typ. Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. SVU A B G SVU Series Order Guide Examples of Common width X Length 30 x x x x 48 All smoke vents are hinged on the length dimension. Rough opening = vent size. Series Material width length opening closing flange mounting style 11 ga Aluminum curb & cover, mill finish 14 ga Galvanized curb, powder coat gray & 11 ga Aluminum cover, mill finish 14 ga Galvanized curb & cover, powder coat gray 1 Single wall curb (Standard) 2 Double wall curb 3 mount Material & finish X opening S Temperature Electrical A 165 F 1 No electrical B 212 F 2 24VDC C 286 F 3 110VAC closing R Rooftop (manual) W Winch M Motor - 3 button control Copyright Nystrom 2009 Rev fax Nystrom.com 15

16 Smoke Vents: Acoustical Theatre SVX: Acoustical STC 45 Series Model shown: SVXG72X72D4A1R Nystrom s acoustical STC 45 Series smoke vents are ideal for venting heat and smoke from stages and platforms as required by IBC Section 410. Typical applications include assembly and educational occupancies including performing arts centers, theaters, symphony halls and school auditoriums. When all you want to hear is the performance fax Nystrom.com Copyright Nystrom 2009 Rev1

17 Acoustically rated to STC 45 & OITC 37 Innovative, upward opening, single layer door construction Exclusive manufacturer with UL 793 listed models FM 4430 approved Energy efficient R13 insulation for optimal envelope performance Common configurations for manual winch and 3-button motor control for remote closing typical for stages and theater applications Smoke Vents: Acoustical Theatre SVX: Acoustical STC 45 Series Cover & Liner: 14 ga. galv. steel, 12 ga. galv. steel liner Cover is stiffened to withstand a live load of 40 psf with a max deflection of 1/150th of the span. Material: 13 high curb, 14 ga. & 12 ga. galv. steel double wall curb Hinge: Heavy-duty, zinc-plated steel with non-removable pins designed as part of spring assembly Latch: Zinc-plated pryolatch with positive hold release mechanism designed to withstand 90 psf of wind uplift. Released by interior and exterior manual pull cables and fusible melt-out link Springs: High-pressure gas springs Insulation: 3 R13 fiberglass insulation in cover and curb perimeter Flange: 4.75 flange (1.625 exposed) with.5 diameter mounting holes Finish: ANSI 70 gray powder coat finish Testing: UL 793 Listed, FM 4430 approved, STC45 & OITC37 rating 14 GA GALVANIZED STEEL COVER ACOUSTIC BARRIER FIBERGLASS ACOUSITC INSULATION 12 GA GALVANIZED STEEL LINER 13.5 BOLT HOLE 8.4 MAX.8 Width (Rough Opening) INTERNAL & EXTERNAL MANUAL RELEASE HANDLE 4.75 Typ. Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. SVX G flange mounting style 3 mount 4 Double wall curb 48 x x 96 SVX Series Order Guide Examples of Common width X Length DOUBLE DOOR 60 x x x x 96 All smoke vents are hinged on the length dimension. Rough opening = vent size. X Door opening Temperature Electrical A 165 F 1 No electrical B 212 F 2 24VDC C 286 F 3 110VAC QUAD DOOR 66 x x 144 D Q opening Door configuration Double door Quad door closing closing R Rooftop (manual) W Winch M Motor - 3 button control Copyright Nystrom 2009 Rev fax Nystrom.com 17

18 Smoke Vents: SunLit SVL: SunLit Series Nystrom s SunLit Series vents are single-door rooftop venting systems for stairwells and smaller buildings with the added green benefit of daylighting that automatically opens, releasing heat, smoke and noxious fumes during a fire. Each smoke vent will open automatically when a fusible link inside the vent reaches its melting temperature. As required by building code. SINGLE POLYCARBONATE DOME.090 ALUMINUM COVER.040 ALUMINUM LINER R13 INSULATION.090 ALUMINUM COUNTERFLASHING 1 INSULATION AROUND CURB.625 BOLT HOLE PYROLATCH WITH FUSIBLE LINK GAS SHOCK ABSORBER INTERNAL & EXTERNAL MANUAL RELEASE HANDLE Width (Rough Opening) SVL Series Order Guide 3.5 Typ. A B G Material & finish 11 ga Aluminum curb & cover, mill finish 14 ga Galvanized curb, powder coat gray & 11 ga Aluminum cover, mill finish 14 ga Galvanized curb & cover, powder coat gray 36 x x 48 Examples of Common width X Length 48 x x 60 All smoke vents are hinged on the length dimension. Standard sizes listed, configurable sizes available. Rough opening = vent size. 60 x x 144 Door configuration S Single door D Double door Q Quad door Series Material width length Door opening SVL Select options to configure model number. The size chart represents common sizes, but we offer a wide range of additional standard sizes and custom sizes upon request. Contact Nystrom for additional choices. X flange mounting style 1 Single wall curb 2 Double wall curb with counter flash 3 mount opening Temperature Electrical A 165 F 1 No electrical B 212 F 2 24VDC C 286 F 3 110VAC D 350 F closing closing R Rooftop (manual) W Winch M Motor - 3 button control fax Nystrom.com Copyright Nystrom 2009 Rev1

19 Smoke Vent Options Custom Finishes Nystrom offers custom-matched colors. Our corrosion-resistant, colored powder coat provides aesthetics and durability while eliminating the additional costs of on-site painting for our steel hatches. Kynar finishes available for aluminum hatches. Flange Mounting Style Door Position Sensor Door position sensors tie into the buildings alarm system for electrical signal notification of door usage and come pre-installed with required mounting brackets. LIMIT SWITCH BRACKET 1 Single Wall 2 Double Wall 3 Mount 4 Flange Single wall curb with counterflashing, used in membrane applications Custom Heights Double wall curb with counterflashing, used in universal applications mount with vertical mounting flange, used in applications where curbs are by others (standing seam metal roofs). Double Wall No Counterflash Double wall curb without counterflashing, used in concrete mounting applications. Nystrom offers custom curb heights to match the needs of any application. Standard curb height is 12. Custom curb heights range from LIMIT SWITCH Burglar Bars Burglar bars are available to prevent unauthorized entry. Standard 1/2 diameter steel bar, 6 x 12 spacing, powder coat painted. Pitch-Corrected s is sloped to match roof pitch to maintain level doors to ensure proper operation. Recommended for roof pitches greater than 3:12. Louvered s Louvered curbs are available to satisfy free area venting requirements (ex: hoistway/elevator shafts). Copyright Nystrom 2009 Rev fax Nystrom.com 19

20 Catalog Date: Nystrom reserves the right to withdraw products or make product changes to color or design without notice. Access Doors Roof Hatches Smoke Vents Louvers Fire Cabinets Floor Hatches Expansion Joints Entrance Systems Stair Nosings Wall Protection rd Av N Brooklyn Park, MN tf fx Nystrom.com