BILCO UK LTD: Automatic Smoke Vent - Daylighting
The Lumivent® automatic smoke vents provide the security and value of an automatic smoke vent with the added benefits of a skylight. Products feature impact resistant covers that do not require an additional fall protection screen. In the event of a fire, heat breaks the fusible link, allowing powerful lifting mechanisms to open the vent cover instantaneously. Pull handles are provided for interior or exterior manual operation and products are fully insulated and gasketed for weather tightness. Uses and Applications Automatic Smoke Vents protect property and aid firefighters in bringing a fire under control by removing smoke, heat, and gases from a burning building. Smoke ventilation improves air quality and visibility to allow occupants to get out and firefighters to get in to do their job. Smoke vents are ideally suited for large expanses of unobstructed space such as factories, warehouses, auditoriums, and retail facilities. Assembly and Installation Installation of BILCO automatic smoke vents is simply a matter of placing the vent over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and Bilco's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications. Materials and Finishes Daylighting automatic smoke vents are available in 11 gauge (2.3 mm) aluminum construction and feature multi-wall polycarbonate covers . Codes and Certifications Products are UL listed and meet International Building Code requirements for plastic skylights (2012 IBC 2610.3). All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Smoke Vents, Automatic Smoke Vent

Published [11/02/2021]

BILCO UK LTD: Automatic Smoke Vent - Double Leaf
BILCO automatic fire vents utilize the patented Thermolatch® II positive hold/release mechanism. This unique latching device ensures reliable vent operation when a fire occurs and prevents inadvertent opening of covers caused by wind, building vibrations or other factors. The Thermolatch® II is equipped with a UL-listed 165° F (74° C) fusible link for automatic operation. In the event of a fire, heat breaks the fusible link, allowing powerful lifting mechanisms to open the vent covers instantaneously. Pull handles are provided for interior or exterior manual operation and products are fully insulated and gasketed for weather tightness.  Uses and Applications Automatic Smoke Vents protect property and aid firefighters in bringing a fire under control by removing smoke, heat, and gases from a burning building. Smoke ventilation improves air quality and visibility to allow occupants to get out and firefighters to get in to do their job. Smoke vents are ideally suited for large expanses of unobstructed space such as factories, warehouses, auditoriums, and retail facilities. Assembly and Installation Installation of BILCO automatic smoke vents is simply a matter of placing the vent over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and BILCO's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications. Materials and Finishes Automatic smoke vents are available in either 14 gauge (1.9mm) paint bond G-90 galvanized steel construction or 11 gauge (2.3 mm) aluminum construction. Codes and Certifications Products are UL listed and comply with UL793 and UL 790 Class A (burning brand test) requirements. All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge , Smoke Vents, Automatic Smoke Vent

Published [11/02/2021]

BILCO UK LTD: Automatic Smoke Vent - Single Leaf
BILCO automatic fire vents utilize the patented Thermolatch® positive hold/release mechanism. This unique latching device ensures reliable vent operation when a fire occurs and prevents inadvertent opening of the cover caused by wind, building vibrations or other factors. The Thermolatch® is equipped with a UL-listed 165° F (74° C) fusible link for automatic operation. In the event of a fire, heat breaks the fusible link, allowing powerful lifting mechanisms to open the vent cover instantaneously. Pull handles are provided for interior or exterior manual operation and products are fully insulated and gasketed for weather tightness. Uses and Applications Automatic Smoke Vents protect property and aid firefighters in bringing a fire under control by removing smoke, heat, and gases from a burning building. Smoke ventilation improves air quality and visibility to allow occupants to get out and firefighters to get in to do their job. Single leaf smoke vents are ideally suited for areas with smaller venting requirements such as elevator shafts or stair wells. Assembly and Installation Installation of BILCO automatic smoke vents is simply a matter of placing the vent over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and BILCO's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications. Materials and Finishes Automatic smoke vents are available in either 14 gauge (1.9mm) paint bond G-90 galvanized steel construction or 11 gauge (2.3 mm) aluminum construction. Codes and Certifications Products are UL listed and comply with UL793 and UL 790 Class A (burning brand test) requirements. Vents can be supplied with built-in louvers and a fall protection screen to meet elevator code requirements. All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Smoke Vents, Automatic Smoke Vent

Published [11/02/2021]

BILCO UK LTD: Classic Series Basement Door
Classic Series Basement Doors  Add the convenience of direct basement access and get the full use of your home with our Classic Series basement door-primer finish. BILCO basement doors allow homeowners to add code-compliant living space or storage areas to their home. Large items such games tables and furniture for finished areas, or pool supplies and patio furniture for storage areas, move easily through the wide opening of a BILCO door. Doors are available with a factory powder coat finish in colors to match the exterior of any home. , Basement Hatches, Basement Doors

Published [11/02/2021]

BILCO UK LTD: Floor Access Doors - Channel Frame
Channel frame or drainage floor access doors are designed for use in exterior applications or in those situations where there is concern of water or other liquids entering the access opening. Doors are supplied with a threaded drain coupling fully welded to the channel frame for connection to a dry or wet well in the field. Products feature engineered lift assistance for easy one-hand operation and are available with reinforcing for pedestrian or H-20 wheel loading. Uses and Applications Floor access doors provide reliable access to equipment stored underground or below/between building floors. Floor access doors are commonly used by transit systems, electric and gas utilities, and water and wastewater treatment facilities. Assembly and Installation Installation of BILCO floor access doors is simply a matter of casting the door into a concrete sidewalk, vault, or structure. Doors are supplied with built anchor flanges or straps to hold the door in place once the concrete has cured. The frame and support shelf (H-20 reinforced doors) must be fully supported by concrete or steel for structural integrity. Materials and Finishes Floor access doors are available in either 1/4" (6.3mm) aluminum or steel construction. Type 304 stainless steel doors are also available for highly corrosive environments. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of twenty five (25) years [aluminum products] or five (5) years [steel products] - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Floor Hatches, Floor Access Doors

Published [11/02/2021]

BILCO UK LTD: Floor Access Doors - Angle Frame
Angle frame or non-drainage floor access doors are designed for interior use or exterior applications where water or liquid infiltration is not a concern. Products feature engineered lift assistance for easy one-hand operation and are reinforced for pedestrian loading. Uses and Applications Floor access doors provide reliable access to equipment stored underground or below/between building floors. Floor access doors are commonly used for access between building floors or to access cables or equipment located underneath the floor level. Assembly and Installation Installation of BILCO floor access doors is simply a matter of casting the door into floor, vault, or structure. Doors are supplied with built anchor flanges or straps to hold the door in place once the concrete has cured. The frame must be fully supported by concrete or steel for structural integrity. Materials and Finishes Floor access doors are available in either 1/4" (6.3mm) aluminum or steel construction. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Floor Hatches, Floor Access Doors

Published [11/02/2021]

BILCO UK LTD: Floor Access Doors - Fire Rated
Fire rated floor access doors provide access between building floors while maintaining the fire rating of a 2-hour floor/ceiling assembly. Doors feature an optional UL Listed automatic closing system, intumescent fire resistant coating, and a pan cover that is designed to accept architectural flooring materials. Products are supplied with engineering lift assistance for easy, one-hand operation regardless of the finished flooring material. Uses and Applications Floor access doors provide access to equipment stored underground or below/between building floors. Type FR fire rated floor doors provide convenient access through a 2-hour building floor without jeopardizing fire code compliance. Doors accept custom floor covering materials, making them virtually hidden in interior building applications. Assembly and Installation Installation of fire rated floor access doors is simply a matter of casting the door into a 2-hr floor ceiling assembly. Doors are supplied with built anchor flanges or straps to hold the door in place once the concrete has cured. The frame must be fully supported by concrete or steel for structural integrity and an intumescent fire resistant coating (supplied by BILCO) must be applied to the concrete surrounding the frame on the underside of the door. Materials and Finishes Type FR doors are available in 1/4" (6.3 mm) aluminum construction. Doors are mill finish aluminum with a bituminous coating applied to the exterior surfaces that come into contact with concrete when installed. Codes and Certifications Type FR Fire-Rated Floor Doors are UL listed for a period of two (2) hours in accordance with NFPA 80, NFPA 251 and ASTM E119. All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Floor Hatches, Floor Access Doors

Published [11/02/2021]

BILCO UK LTD: Floor Access Doors - To Receive Architectural Flooring
Floor access doors are designed with a pan cover to accept a variety of architectural flooring materials up to 1" (25 mm) in thickness. Each door is precisely spring balanced at the factory to ensure smooth, easy operation upon installation of the specified flooring material in the field. Doors can be supplied with a drain coupling for drainage applications when specified. Uses and Applications Floor access doors provide reliable access to equipment stored underground or below/between building floors. Floor access doors are commonly used for access between building floors or to access cables or equipment located underneath the floor level. Assembly and Installation Installation of BILCO floor access doors is simply a matter of casting the door into floor, vault, or structure. Doors are supplied with built anchor flanges or straps to hold the door in place once the concrete has cured. The frame must be fully supported by concrete or steel for structural integrity. Materials and Finishes Floor access doors are available in either 1/4" (6.3mm) aluminum construction. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Floor Hatches, Floor Access Doors

Published [11/02/2021]

BILCO UK LTD: Floor Access Doors - To Receive Composite Flooring
Floor access doors are designed to receive flooring material so that they are virtually hidden in interior applications. Doors are supplied with cover and frame mounted molding strips to accept carpet or composition flooring material that is 1/8" (3mm) or 3/16" (5mm) in thickness. Doors feature torsion bar lift assistance for easy one-hand operation and an automatic hold open arm Uses and Applications Floor access doors provide reliable access to equipment stored underground or below/between building floors. Floor access doors are commonly used for access between building floors or to access cables or equipment located underneath the floor level. Assembly and Installation Installation of BILCO floor access doors is simply a matter of casting the door into floor, vault, or structure. Doors are supplied with built anchor flanges or straps to hold the door in place once the concrete has cured. The frame must be fully supported by concrete or steel for structural integrity. Materials and Finishes Floor access doors are available in either 1/4" (6.3mm) aluminum construction. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Floor Hatches, Floor Access Doors

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Service Stair Access
All BILCO roof hatches are ruggedly built for long, dependable service. Covers feature a box-type design to support a 40 lb/ft2 (195 kg/m2) live load. The capflashing, fully welded corners, EPDM rubber gasket, fiberglass cover insulation and rigid fiberboard curb insulation ensure weathertightness and energy efficiency. Every roof hatch is designed with the proper number of compression spring operating mechanisms to provide smooth, easy, one-hand operation. Compression spring tubes are made from an anti-corrosive composite material and all other hardware is zinc plated and chromate sealed for corrosion resistance. The effortless one-hand operation to the fully open or closed position and the larger opening permits easier movement of maintenance personnel, tools and equipment. Uses and Applications ccess to roof areas is critical to every building maintenance department as HVAC systems and other roof mounted equipment require frequent maintenance and service. BILCO Type L Roof Hatches provide safe and convenient access to roof areas by means of a full or service stair. Other models are available for ladder, ship stair or equipment access. Assembly and Installation Installation of BILCO roof hatches is simply a matter of placing the hatch over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and Bilco's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications Materials and Finishes Roof hatches are available in either 14 gauge (1.9mm) paint bond G-90 galvanized steel construction or 11 gauge (2.3 mm) aluminum construction. Type 304 stainless steel hatches are also available for corrosive environments and copper construction is available for historical projects. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. (Electrical motors, smoke detectors and other special equipment carry warranties of the manufacturers of those products.) , Roof Hatches, Roof Hatches

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Daylighting
Daylighting roof hatches provide the security and convenience of a roof hatch with the added benefits of a skylight. Products feature an impact resistant cover that does not require an additional fall protection screen. The capflashing, fully welded corners, EPDM rubber gasket, fiberglass cover insulation and rigid fiberboard curb insulation ensure weathertightness and energy efficiency. Every roof hatch is designed with the proper number of compression spring operating mechanisms to provide smooth, easy, one-hand operation. Compression spring tubes are made from an anti-corrosive composite material and all other hardware is zinc plated and chromate sealed for corrosion resistance. Uses and Applications Access to roof areas is critical to every building maintenance department as HVAC systems and other roof mounted equipment require frequent maintenance and service. BILCO Type GS Roof Hatches provide safe and convenient access to roof areas by means of a fixed interior ladder. Other models are available for ship stair, service stair or equipment access. Assembly and Installation Installation of BILCO roof hatches is simply a matter of placing the hatch over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and Bilco's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications. Materials and Finishes Roof hatches are available in 11 gauge (2.3 mm) aluminum construction and feature a polycarbonate dome cover design. Double dome covers are also available. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. (Electrical motors, smoke detectors and other special equipment carry warranties of the manufacturers of those products.) , Roof Hatches, Roof Hatches

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Equipment Access
All BILCO roof hatches are ruggedly built for long, dependable service. Covers feature a box-type design to support a 40 lb/ft2 (195 kg/m2) live load. The capflashing, fully welded corners, EPDM rubber gasket, fiberglass cover insulation and rigid fiberboard curb insulation ensure weathertightness and energy efficiency. Every roof hatch is designed with the proper number of compression spring operating mechanisms to provide smooth, easy, one-hand operation. Compression spring tubes are made from an anti-corrosive composite material and all other hardware is zinc plated and chromate sealed for corrosion resistance. The effortless one-hand operation to the fully open or closed position provides a convenient way to install or remove large pieces of equipment from a building. Uses and Applications The large opening provides an easily accessible means for equipment to be installed or removed from a building. Products are available in one standard single leaf size [Type F, 48” x 48” (1219mm x 1219mm)]. Special single leaf sizes (Type SS) are available and are recommended for widths up to 5’0” (1524mm). For larger openings, specify double leaf construction (Type D). Assembly and Installation Installation of BILCO roof hatches is simply a matter of placing the hatch over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and Bilco's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications Materials and Finishes Roof hatches are available in either 14 gauge (1.9mm) paint bond G-90 galvanized steel construction or 11 gauge (2.3 mm) aluminum construction. Type 304 stainless steel hatches are also available for corrosive environments. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. (Electrical motors, smoke detectors and other special equipment carry warranties of the manufacturers of those products.) , Roof Hatches, Roof Hatches

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Fall Protection Railing System
Bil-Guard® 2.0 is a patented fixed railing system that provides a permanent means of fall protection around roof hatch or smoke vent openings. Tested and proven to meet and exceed OSHA fall protection standards, the Bil-Guard 2.0 incorporates a standard self-closing gate to ensure that the fall protection barrier is maintained and OSHA compliance is preserved. Uses and Applications The Bil-Guard 2.0 is designed to fit all brands of roof hatches and automatic fire vents that have capflashing. The railing system can be easily installed on new or existing hatches in the field.  Assembly and Installation The Bil-Guard 2.0 features an innovative attachment system that does not penetrate the roofing membrane. The product installs quickly and easily using basic tools and does not require special training or certification for proper installation. The attachment system features a quick-mount bracket for a fast and secure attachment and a pivoting mounting sleeve for added installation flexibility.  Materials and Finishes Posts and rails are 1¼” schedule 40 pipe in 6061 T6 aluminum alloy. Curb mounting brackets and teardrop brackets are 6063 T5 aluminum extrusion. Locking mechanism is cast aluminum and spring hinges and all fasteners are type 316 stainless steel. Hatch rail system satisfies the requirements of OSHA 29 CFR 1910.23 and meets OSHA strength requirements. Finish shall be safety yellow powder coat paint finish. Codes and Certifications The Bil-Guard 2.0 Hatch Railing System satisfies the requirements of OSHA 29 CFR 1910.23 and meets OSHA strength requirements with a factor of safety of two. All BILCO products are designed to provide many years of trouble-free service. Manufacturer shall provide a 5-year warranty against defects in material and workmanship. , Roof Hatches, Bil-Guard®

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Ladder Access
All BILCO roof hatches are ruggedly built for long, dependable service. Covers feature a box-type design to support a 40 lb/ft2 (195 kg/m2) live load. The capflashing, fully welded corners, EPDM rubber gasket, fiberglass cover insulation and rigid fiberboard curb insulation ensure weathertightness and energy efficiency. Every roof hatch is designed with the proper number of compression spring operating mechanisms to provide smooth, easy, one-hand operation. Compression spring tubes are made from an anti-corrosive composite material and all other hardware is zinc plated and chromate sealed for corrosion resistance. The effortless one-hand operation to the fully open or closed position provides the ladder user the security of having one hand firmly on the ladder at all times. Uses and Applications Access to roof areas is critical to every building maintenance department as HVAC systems and other roof mounted equipment require frequent maintenance and service. BILCO Type S and E Roof Hatches provide safe and convenient access to roof areas by means of a fixed interior ladder. Other models are available for ship stair, service stair or equipment access. Assembly and Installation Installation of BILCO roof hatches is simply a matter of placing the hatch over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and Bilco's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications. Materials and Finishes Roof hatches are available in either 14 gauge (1.9mm) paint bond G-90 galvanized steel construction or 11 gauge (2.3 mm) aluminum construction. Type 304 stainless steel hatches are also available for highly corrosive environments and copper construction is available for historical projects. Codes and Certifications Type S roof hatches have been tested and are Miami-Dade County and Florida Building Commission approved for use in high velocity hurricane zones with large and small missile impact. All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. (Electrical motors, smoke detectors and other special equipment carry warranties of the manufacturers of those products.) , Roof Hatches, Roof Hatches

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Ladder Safety Post
LadderUP® Safety Posts provide easier, safer ladder access through roof hatches, floor access doors, and manholes. This telescoping post permanently mounts to the top two rungs of any fixed ladder, providing a positive hand-hold that enables the user to enter or exit an opening in an upright and balanced position. Uses and Applications The ladder safety post remains attached to the fixed ladder at all times. When access is required, manually raise the post is to its extended position to provide a positive handhold throughout access. The post is spring balanced for ease of operation and automatically locks in the fully raised position. A handy release lever allows the user to lower the post back to its retracted position. Assembly and Installation Ladder safety posts are designed with adjustable mounting hardware to accommodate virtually any ladder rung size or spacing. The device attaches to the top two ladder rungs using the hardware provided. Materials and Finishes Ladder safety post are available in steel with a safety yellow powder coat paint finish (model LU-1), Hot dip galvanized steel (model LU-2), Type 304 stainless steel (model LU-3),and aluminum (model LU-4) construction. All models are supplied with stainless steel mounting bolts. Codes and Certifications All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. , Roof Hatches, LadderUP®

Published [11/02/2021]

BILCO UK LTD: Roof Hatch - Ship Stair Access
All BILCO roof hatches are ruggedly built for long, dependable service. Covers feature a box-type design to support a 40 lb/ft2 (195 kg/m2) live load. The capflashing, fully welded corners, EPDM rubber gasket, fiberglass cover insulation and rigid fiberboard curb insulation ensure weathertightness and energy efficiency. Every roof hatch is designed with the proper number of compression spring operating mechanisms to provide smooth, easy, one-hand operation. Compression spring tubes are made from an anti-corrosive composite material and all other hardware is zinc plated and chromate sealed for corrosion resistance. The effortless one-hand operation to the fully open or closed position and the larger opening permits easier movement of maintenance personnel, tools and equipment. Uses and Applications Access to roof areas is critical to every building maintenance department as HVAC systems and other roof mounted equipment require frequent maintenance and service. BILCO Type NB Roof Hatches provide safe and convenient access to roof areas by means of a ship or steep stair. Other models are available for ladder, service stair or equipment access. Assembly and Installation Installation of BILCO roof hatches is simply a matter of placing the hatch over the roof opening and securing it to the roof deck through the holes provided in the base flange. The integral capflashing readily accepts roofing felts for built-up roofing applications, and Bilco's patented Bil-Clip® flashing system simplifies installation in single-ply roofing applications. Materials and Finishes BILCO roof hatches are available in either 14 gauge (1.9mm) paint bond G-90 galvanized steel construction or 11 gauge (2.3 mm) aluminum construction. Type 304 stainless steel hatches are also available for highly corrosive environments and copper construction is available for historical projects. Codes and Certifications Type NB roof hatches have been tested and are available with Miami-Dade County and Florida Building Commission approval for use in high velocity hurricane zones with large and small missile impact. All BILCO products are designed to provide many years of trouble-free service. Should a part fail to function in normal use within a period of five (5) years - or longer, as indicated - from the date of purchase, a new part will be furnished at no charge. (Electrical motors, smoke detectors and other special equipment carry warranties of the manufacturers of those products.) , Roof Hatches, Roof Hatches

Published [11/02/2021]

BILCO UK LTD: Type ACDSV-Acoustical Smoke Vent
BILCO's ACDSV acoustical smoke vent is designed to guard against noise intrusion while providing the security of automatic smoke venting. Acoustical vents feature industry-high STC 50 and OITC-46 sound ratings. They are ideal for concert halls, theaters and other interior applications that require limited noise from the outside. Vents are available in steel construction and in a number of UL-Listed standard sizes. , Smoke Vents, Automatic Smoke Vent

Published [11/02/2021]