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Manufacturer and supplier of roof products and accessories for the metal building industry since 1964
ExoVent SL® | Single Leaf Daylighting Heat & Smoke Ventilator
R&S Non-Listed Skylight Lid Automatic Smoke Vents are occasionally accepted by regional authorities in areas with no snow load requirements. Municipal fire codes are met with the added benefit of allowing natural daylight to enter the building. Curb may be constructed of corrosion-resistant aluminum or super cost-effective steel.
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Single Leaf Smoke Vent - Open -
Single Leaf Smoke Vent - Closed -
Single Leaf Smoke Vent - Powder Coated
Features
- Fusible link or McCabe re-settable link
- Interior/Exterior manual release provisions
- Durable copolyester double dome skylight lid - 50% VLT
- Gas springs deliver controlled opening speed
- Manufactured with metal building or conventional roof flange
- OSHA compliant fall protection available (factory installed)
- Description
- Model Guide
- Sizes and Weights
- Documents
- R&S Insights
Specifications
| Material | 0.063″/0.080″ aluminum 20/18 GA galvanized steel 1″ Rigid Insulation R7.2 |
| Construction | Mitered corners, fully welded seams Full perimter EPDM bulb gasket mechanically secured to top flange 7-1/2″ high curb |
| Skylight Lid | White copolyester outer dome Clear inner dome Frames include sealants and condensate provisions |
| Operation | UL Listed Fusible Link activation temperatures (F): 165, 212, 286, 370, 520 Interior and exterior opening provisions |
| Gas Springs | Low spring rate nitrogen gas springs for smooth operation. Black cathodic epoxy finish |
| Pitch | Non-pitch corrected, slopes with roof |
| Finish | Aluminum mill finish Powder coat (standard colors or custom) Kynar (exact match) |
| Accessories | 14 GA backer-channel Sealants, fasteners |
| Warranty | 1 Year |
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 | Flange installs under panel Panel closures welded 4″ high water diverter |
| Curb Down-slope | Flange installs over panel Caps (straps) welded or shipped loose Minimum 3″ down-slope flange |
| Curb Side Flanges | Seam-to-seam, integrates with roof panel Minimum 3″ between curb sidewall and panel seam |
Metal Building – Type Flat Side Flanges
Standard design features with flat side flanges. Lower cost option.
| Curb Up-slope | Flange installs under panel Panel closures welded 4″ high water diverter |
| Curb Down-slope | Flange installs over panel Caps (straps) welded or shipped loose Minimum 3″ down-slope flange |
| Curb Side Flanges | 3″ flat flange Minimum 3″ between curb sidewall and panel seam |
Metal Building – Type If Curb (Internally-Flanged)
Standard design features with base flange broken inward.
| Curb Up-slope | Up-slope base flange breaks inward 2″ Includes 2-peice water diverter assembly and backer channel |
| Curb Down-slope | Down-slope base flange breaks inward 2″ Integrated caps in curb wall accept panel highs |
| 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 perimter base flange |
| Self-Flashing Provisions | Perimeter cap flashing accepts roof material |
Options
| 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 assembly constructed of type 316 stainless steel for ultimate protection against corrosion |
Skylight Lid Non-Listed Automatic Smoke Vent – Model Guide
| Model | WxL | Base Material | Base Type | Link Type | Link Temp | Options (list all that apply) |
| SHD: Single Dome
SHDD: Double Dome SHDL: Single Dome Louvered Base |
AL: Aluminum
ST: G-90 Galvanized Steel SS: Stainless Steel |
SF: Self Flashing
CM: Curb Mount MB: Metal Building Flat Flange MBSC: Metal Building Seam Clip MBLO: Metal Building Layover MBIF: Metal Building Internally Flanged |
F: Fusible Link
M: McCabe Re-settable Link |
165
212 286 370 520 |
SS: Stainless Steel Hardware
FP: Fall Protection Screen |
Example: SHDD-4896-AL-MBSC-F165-FP is a non-listed automatic heat and smoke vent with a double dome skylight feature, aluminum construction with an integral seam clip metal building curb, a fusible 165F link, and integral fall protection screen
Standard Sizes and Shipping Weights
Non-Listed Skylight Lid Smoke Vent Models (Single Leaf)
| Model | Inside Clear Opening | Weight (Steel) | Weight (Aluminum) | Open Capacity | Lid Uplift Rating |
| SHD-4848 | 48″ x 48″ | 150 lbs | 90 lbs | 2 PSF | 30 PSF |
| SHD-4896 | 48″ x 96″ | 240 lbs | 135 lbs | 2 PSF | 30 PSF |
| SHD-L-4896 | 48″ x 96″ | 260 lbs | 155 lbs | 2 PSF | 30 PSF |
Non-Listed Heat & Smoke Vents
Single lid design when UL 793 is not required. Offers similar performance at a reduced price.
| Product Description | Model | Submittal | Specifications | Installation | Warranty |
| Single Dome | SHD | WORD | |||
| Double Dome | SHDD | WORD | |||
| Single Dome Louvered | SHD-L | 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 |
R&S Insights Blog
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?
