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ExoVent® Solid – UL Listed Solid Lid Heat & Smoke Ventilators
Our UL-Listed Automatic ExoVent® Smoke Hatches provide invaluable assistance to Firefighters by evacuating heat and smoke from a burning building. Application is ideal for warehouses, manufacturing facilities or other large industrial operations. The Solid Lid Smoke Hatches feature a durable lid design provides exceptional value and performance in a variety of regions and weather conditions. Constructed of Galvanized, Stainless Steel or Aluminum, and can be painted white or to match your exterior building color.
Non-UL models are available at even more economical rates where a UL 793 rating is not required. Non-UL model, ExoVent® SL, feature a single lid design.
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Standard size (48" x 96") UL 793 Smoke Vent -
ExoVent Smoke Vent - Aluminum Mill Finish -
ExoVent Smoke Vent - Aluminum Mill Finish -
ExoVent Smoke Vent - Aluminum Mill Finish
Features
- UL 793 rating - twin leaf design
- Solid lid design crowned for watershed
- UL fusible link opens at preset temperature
- Optional McCabe Link opens lids electronically
- Inside/outside manual release handles
- Gas springs deliver a controlled opening speed
- Lid / latch uplift rating 30 PSF
- Metal building flanges, self-flashing or curb mount
- Optional high uplift / capacity models available
- Description
- Model Guide
- Sizes and Weights
- Documents
- Certification
- FAQ
- R&S Insights
Specifications
| Material |
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| Construction |
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| Operation |
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| Gas Springs | Low spring rate nitrogen gas springs for smooth operation. Black cathodic epoxy finish |
| Pitch | Non-pitch corrected, slopes with roof |
| Finish |
|
| Accessories |
|
| Certifications | UL 793 |
| Warranty | 5 Years |
Metal Building – Type Seam Clip/Layover Side Flanges
Standard design features with seam-to-seam / layover side flanges. Highest level of weather-tightness for metal building applications.
| Curb Up-slope |
|
| Curb Down-slope |
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| Curb Side Flanges |
|
Metal Building – Type Flat Side Flanges
Standard design features with flat side flanges. Lower cost option.
| Curb Up-slope |
|
| Curb Down-slope |
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| Curb Side Flanges |
|
Metal Building – Type If Curb (Internally-Flanged)
Standard design features with base flange broken inward.
| Curb Up-slope |
|
| Curb Down-slope |
|
| Curb Side Flanges | Side base flanges break inward 2″ |
| Backer Channel | Backer channel and water diverter assembly included |
Conventional/Built Up Roofs
Standard design features with 3″ flat flange and self-flashing provisions
| Base Flanges | 3″ flat perimeter base flange |
| Self-Flashing Provisions | Perimeter cap flashing accepts roof material |
Options
| High Capacity |
|
| McCabe Link | McCabe resettable Link offers thermal / electronic activation of release. Provides flexible integration with existing fire safety equipment. Simplifies required annual testing process as no cutting is required. Can be electronically activated from ground level. |
| Stainless Steel Hardware | Hinge and clevis pin assembly constructed of type 316 stainless steel for ultimate protection against corrosion |
Solid Lid UL Listed Automatic Smoke Vent – Model Guide
| Model | WxL | Lid Type | Base Material | Base Type | Link Type | Link Temp | Options (list all that apply) |
| ULSH | SLD: Solid Lid |
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Example
ULSH-4896-SLD-AL-MBSC-F165-FP is a UL listed automatic heat and smoke vent with a solid lid, aluminum construction with an integral seam clip metal building curb, a fusible 165F link, and integral fall protection screen
UL-Listed Smoke Hatch Models: Twin leaf design meets UL 793
| Model | Inside Clear Opening | Weight (Steel) | Weight (Aluminum) | Open Capacity | Lid Uplift Rating |
| UL-4848 | 48″ x 48″ | 170 lbs | 110 lbs | 10 PSF | 30 PSF |
| UL-4896 | 48″ x 96″ | 260 lbs | 170 lbs | 10 PSF | 30 PSF |
| UL-6060 | 60″ x 60″ | 220 lbs | 145 lbs. | 10 PSF | 30 PSF |
| UL-6072 | 60″ x 72″ | 230 lbs | 150 lbs | 10 PSF | 30 PSF |
| UL-6096 | 60″ x 96″ | 310 lbs | 200 lbs | 10 PSF | 30 PSF |
UL-Listed High Open Capacity Smoke Hatch Models: twin leaf design meets UL 793
| Model | Inside Clear Opening | Weight (Steel) | Weight (Aluminum) | Open Capacity | Lid Uplift Rating |
| UL-4848-HC | 48″ x 48″ | 190 lbs | 125 lbs | 40 PSF | 30 PSF |
| UL-4896-HC | 48″ x 96″ | 280 lbs | 180 lbs | 35 PSF | 30 PSF |
| UL-6060-HC | 60″ x 60″ | 240 lbs | 155 lbs | 30 PSF | 30 PSF |
| UL-6072-HC | 60″ x 72″ | 250 lbs | 160 lbs | 30 PSF | 30 PSF |
| UL-6096-HC | 60″ x 96″ | 330 lbs | 215 lbs | 20 PSF | 30 PSF |
UL-Listed High Uplift Smoke Hatch Models: twin leaf design meets UL 793
| Model | Inside Clear Opening | Weight (Steel) | Weight (Aluminum) | Open Capacity | Lid Uplift Rating |
| UL-4848-HU | 48″ x 48″ | 210 lbs | 135 lbs | 10 PSF | 90 PSF |
| UL-4896-HU | 48″ x 96″ | 300 lbs | 200 lbs | 10 PSF | 90 PSF |
| UL-6060-HU | 60″ x 60″ | 260 lbs | 170 lbs | 10 PSF | 90 PSF |
| UL-6072-HU | 60″ x 72″ | 270 lbs | 175 lbs | 10 PSF | 90 PSF |
| UL-6096-HU | 60″ x 96″ | 350 lbs | 230 lbs | 10 PSF | 90 PSF |
UL Listed Smoke and Heat Vents
| Product Description | Model | Submittal | Specifications | Installation | Warranty |
| Solid Lid | ULSH-SLD | WORD | WORD | ||
| Solid Lid High Capacity |
ULSH-SLD-HC | WORD | WORD | ||
| Solid Lid High Uplift |
ULSH-SLD-HU | WORD | WORD |
Options
| Options | Model | Submittal | Specifications | Installation |
| McCabe® RESETTABLE Link | MBE | |||
| Security Bars Type 1 | SB-1 | WORD | ||
| Security Bars Type 2 | SB-2 | WORD | ||
| Security Bars Type 3 | SB-3 | WORD |
Underwriters Laboratories (UL)
UL-Listed Models meet UL Standard 793
All UL models include stickers and labeling that conform with requirements
Note: You must create a free user account at UL Product iQ to view online listing cards referenced above.
How do Smoke Vents Work?
Smoke vents open automatically during a fire, triggered by heat-sensitive devices, allowing smoke and gases to escape, reducing fire spread.
Are Smoke Vents Required by Law?
Smoke vent requirements vary with local building codes, especially in larger buildings for enhanced fire safety.
What Types of Buildings Need Smoke Vents?
Large-span commercial or industrial buildings, such as warehouses and shopping centers, typically require smoke vents for fire safety.
How are Smoke Vents Installed and Maintained?
Smoke vents are installed on roofs, preferably by professionals, and require regular maintenance, including inspections and testing.
Can Smoke Vents be Integrated with Other Fire Safety Systems?
Yes, smoke vents can be integrated with systems like fire alarms and sprinklers for a coordinated response during fires.
R&S Insights Blog
How to Choose Between Smoke Vents and Roof Access Hatches
Do I need smoke vents or roof access hatches? Find out which one is perfect for your building—ensuring safety, compliance, and easy roof maintenance… Learn More
R&S Competitive Advantage – Smoke Vents
R&S supplies among the highest quality vents at very competitive prices. Due to the higher quality of our product we… Learn More
Smoke Vent Systems for General Contractors
In the construction and building-safety world, smoke vent systems are extremely important. These systems do more than just comply with regulations, they are essential for keeping people safe and protecting the building’s structure… Learn More
Selecting the Best Architectural Smoke Vents
Selecting the best architectural smoke vents is a critical decision for any architect or building owner… Learn More
Smoke Vents – Operable vs. Melt-Outs – Which is Best?
When evaluating operable smoke ventilators versus melt-out units, architects, builders and contractors should weigh the pros and cons of each before making a decision… Learn More
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R&S manufactures a vast array of products to fit your project needs. We aim to supply all of your metal building roof accessory needs, not just one product. Why go to multiple vendors when R&S can supply it all?
