Manufacturer and supplier of roof products and accessories for the metal building industry since 1964

Solid Lid

Automatic Smoke Hatch with Solid Lid

Our UL-Listed Automatic Smoke Hatches provide invaluable assistance to Firefighters by evacuating heat and smoke from a burning building. Application is suited for warehouses, manufacturing facilities or other large industrial applications. 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 exterior building color.

Non-UL models are available at even more economical rates where a UL 793 rating is not required. Non-UL models feature a single lid design.

  • Description
  • Model Guide
  • Sizes and Weights
  • Documents
  • Certification

Specifications

Material
  • 0.063″/0.080″ aluminum
  • 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
  • 12″ high curb
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
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
  • 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-piece 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 perimeter base flange
Self-Flashing Provisions Perimeter cap flashing accepts roof material

Options

High Capacity
  • Additional gas springs to open against snow load conditions
  • See open capacity ratings published below
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
  • 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
  • HC: High Capacity
  • HU: High Uplift
  • HR: High R-Value
  • SS: Stainless Steel Hardware
  • FP: Fall Protection Screen

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 PDF WORD PDF WORD
Solid Lid
High Capacity
ULSH-SLD-HC PDF WORD PDF WORD
Solid Lid
High Uplift
ULSH-SLD-HU PDF WORD PDF WORD


Options

Options Model Submittal Specifications Installation
Security Bars Type 1 SB-1 PDF WORD
Security Bars Type 2 SB-2 PDF WORD
Security Bars Type 3 SB-3 PDF WORD

Underwriters Laboratories (UL)

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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?