Please check your email. These devices are designed to release automatically in case of a power failure or upon activation of an automatic fire-alarm system. As specified in the header of this design, Bearing Wall Rating - 1 Hr Rating Exposed to Fire on Exterior Face (See Item 8) for the 1-hour fire rating on the exterior face of this wall, items 6 and 7 are to be disregarded and one of the facia materials specified in item 8 must be chosen instead. The means of egress is intended to provide a continuous and unobstructed path of travel from any occupied portion of a building or structure to a public way. While test methods such as ASTM E119 define procedures for evaluating the fire resistance properties of concrete masonry assemblies, including those constructed using unconventional constituent materials, there has historically been no defined procedure for applying the results of ASTM E119 testing to standardized calculation procedures available through ACI/TMS 216.1. Fire testing of concrete masonry beams and lintels evaluates the ability of the member to sustain design loads under standard fire test conditions. (51 mm) thickness can be used in the joints of a 4-hour wall. Fire testing of a steel column protected by concrete masonry evaluates the structural integrity of the steel column under fire test conditions, by measuring the temperature rise of the steel. Exit doors are intended for use in applications where model codes allow power operated sliding or swinging doors, such as those installed in supermarkets. resistance to the transmission of heat through the wall assembly; resistance to the passage of hot gases through the wall, sufficient to ignite cotton waste; load-carrying capacity of loadbearing walls; and. Were everywhere your business needs us to be. This information, if needed, should be available in the manufacturers installation instructions and may be indicated on the manufacturers OPBW Card available through the UL ProductIQ Tool. Some of these materials have not been evaluated using standardized fire resistance test methods or have been evaluated only to a limited degree. Means of egress considerations Doors serving a means of egress system for a building are required to comply with specific requirements that will help facilitate the egress of occupants from the building in an emergency. 2.3. Some fire doors are supplied as complete assemblies, including the frame, hardware and other accessories. There are two product categories covering these materials. Also included in this category are head . Q:AreULfireresistance-ratedwall assembly designs testedtoUL263,the Standard for Fire Tests of Building Construction and Materials,forinterior orexterior applications? December 22, 2020. Glazing materials are usually provided by other than the door manufacturer and are installed at the time of the door installation. Designs listed are minimum construction requirements to achieve fire rating. Do you have questions about Assemblies? The manufacturers certification information in the UL Product iQ database also describes the components used in the assembly. Hourly fire-protection ratings Door frames are intended for use in applications where codes require a minimum hourly rating for the overall door or window assembly. Accessories include fire door coordinators, cladding materials, glass light frames, and gasketing and edge sealing materials. Some manufacturers can provide labeled transom panel frames for use with doors rated up to and including 3 hours as indicated in the individual certifications. Gasketing material identified for use at the meeting edges of pairs of doors is not intended to replace the astragal (if required by the door manufacturer) or to alter the clearance between doors, as specified in NFPA 80 or in the door manufacturers installation instructions. Dive deeper into the topic with our on-demand webinar: Understanding the UL Fire Resistance Directory 101. Based on the results of this testing, an expression can be developed in accordance with this industry practice that permits the fire resistance of units produced with such aggregates to be calculated for interpolated values of equivalent thickness and proportion of non-listed aggregate. 9), or vermiculite complying with C516,Standard Specification for Vermiculite Loose Fill Thermal Insulation(ref. thick oriented strand board (OSB) or 15/32 in. and bottom of wall. U465 March 03, 2010 Nonbearing Wall Rating 1 HR. with three layers of " Type X (, gypsum board on the underside of the framing. 3. on walls tested at 24" o.c.- Stud dimensions are minimums, so you can always go larger. All-new fire-rated roof-ceiling assembly files. Standards products are certified against UL certified fire exit hardware includes the UL symbol, LISTED or CERTIFIED, and Fire Exit Hardware. The 2012 International Building Code (IBC) introduced requirements to protect the voids where a fire barrier wall intersects the lower side of a non-fire-resistance rated roof assembly. JH/FCS 60-06 (13 mm). 6), that are commonly available include 100% solid units, 75% solid units, and hollow units meeting minimum required face shell and web dimensions. Intertek Warnock Hersey Product Listings: Click for Warnock Hersey Product Listings 4. For additional information on fire-resistance rated assemblies see SBCA Research Report 1509-01: Fire Resistance Rated Truss Assemblies. UL Certified products are eligible to bear one of the following Certification Marks, namely the UL Certified Mark, UL Listing Mark, or UL Classification Mark. UL Certified fire-resistance rated glazing materials include the word CLASSIFIED above the UL symbol and the manufacturers identification. The calculation method is fully described in ACI/TMS 216.1 and IBC Section 722, and determines fire resistance ratings based on the equivalent thickness of concrete masonry units and the aggregate types used to manufacture the units. Choose File Type. Devices so Classified are covered under Hardware (GWGR). Therefore, twoseparate tables are required. Fire door markings UL certified fire doors include the UL symbol, the word CERTIFIED or CLASSIFIED and the following information: Installation instructions Fire doors are intended to be installed in accordance with the installation instructions provided by the manufacturer. The addition of wood structural panels in fire rated gypsum board wall assemblies is permitted as follows: Wood structural panels that are 4 ft. wide, minimum 7/16 in. Item 8 identifies the following two materials that need to be installed in accordance with the manufacturer's installation instructions for exterior facings: When searching or specifying a wall assembly for use as an exterior wall it is important to understand that locating and determine the proper wall assembly for use as an exterior wall is only the first step. All rights reserved. Door and window openings in these assemblies are required to be protected in accordance with the opening protective requirements in the code, and they may be limited to a maximum individual size, maximum area and aggregate width. A temperature-rise rating of 250F, 450F or 650F reflects the limiting potential temperature rise on the unexposed surface of the door during the first 30 minutes of fire exposure. Applicable fill materials are: grout, sand, pea gravel, crushed stone, or slag that comply with ASTM C33/C33M, Standard Specification for Concrete Aggregates (ref. Fire door frame and fire window frame Marks include the UL symbol, the word LISTED or CERTIFIED and a description of the certified product. Temperature rise ratings Some fire doors contain a temperature-rise rating on the Certification Mark. Available insulation products for UL U305. 7. Special frames are constructed of materials other than steel and are intended for use with doors rated less than 3 hours. 4), which measures four performance criteria, as follows: The fire resistance rating of concrete masonry is typically governed by the heat transmission criteria. Next,choosethe sectionFire Rated Roofs, Walls, Floors, Beams and Columns.. Drawings are included as part of a rated assembly, along with descriptions of individual components and construction details. Fire testing of wall assemblies is conducted in accordance with the Standard Test Methods for Fire Tests of Building Construction and Materials, ASTM E119 (ref. JH/FCS 60-07 This will help locatea designwherethe assembly is ratedto exposureto fire ontheexterior face. Non-bearing wall partition stud depth shall be at a minimum equal to the depth of the bearing wall. Estimate materials and find USG equivalents for your building projects. Sound absorption characteristics, helping reduce noise transmission. It also allows for the use of a premanufactured suspended grid system instead of the steel-stud framing.UL DESIGN I512 - This 2-hour horizontal assembly consists of four layers of Type X (Gold Bond XP Fire-Shield) gypsum board fastened to a premanufactured suspended grid system.UL DESIGN I516 - This 2-hour horizontal shaft wall assembly includes 4" shaftwall studs with shaftliner panels between each stud and three layers of " Type C (Gold BondeXPInterior ExtremeFire-Shield C) gypsum board applied to the underside of the framing. Positive pressure fire doors Some code applications require swinging fire door assemblies to comply with the Standard for Positive Pressure Fire Tests of Door Assemblies, UL 10C. ASTM International, Inc., 2017. Elevator door frames, wood frames and other special use frames as identified in the individual certifications are intended for installation only in walls of the types shown in the installation instructions accompanying the door or window frame. Assemblies Assembly Detail UL P562 Steel C-Joist (Load-Bearing) Visit UL P562 on the UL website More Assembly Construction Assembly Construction Layer 1 - Roofing Membrane: 1 layer Ballasted, adhered or mechanically attached to the Insulation; Hot-mopped or cold-application, Class A, B or C Covering or Single-Ply Membrane Layer 2 - Roof Insulation: With some applications, UL would recommend that the end user also reference installation standards maintained by industry associations or the NFPA as cited in each Guide (For example: NFPA 80 or SDI A250.11). Oversized frames Freight elevator, passenger elevator and swing-type fire door frames incorporating transom panels exceeding the heights eligible for certification and which have not been subjected to standard fire tests that are otherwise found to be in compliance (except for size) with all requirements for design, materials and construction can be provided with an Oversized Frame Listing Mark. Gypsum wallboard and gypsum lath are to be attached to wood or metal furring strips spaced a maximum of 16 in. Click the drop-down "Building Materials, Systems and Installation Codes." 2. In recent years, manufacturers of concrete masonry products have been exploring the use of alternative materials in the production of concrete masonry units. Find USG product-specific CAD and Revit files. Each design also specifies the test standard(s) used and performance ratings achieved so code compliance can be determined. These assemblies consist of combinations of individual component products, which may include the door, frame, hardware, gasketing and other door accessories. When calculating the fire resistance rating of a wall with finishes, two calculations are performed, assuming each side of the wall is the fire-exposed side. The new fire resistance-rated, non load-bearing metal building interior wall assembly will be acceptable where one or two-hour ratings are required by building codes. Figure 3 shows control joint details in fire-rated wall assemblies in which openings are not permitted or where openings are required to be protected. 11). For prescriptive designs, the IBC provides a series of tables that describes requirements of various assemblies to meet the fire resistance ratings specified. UL certifies windstorm rated doors, hardware and other building assemblies for use in these applications. 1.3 A product that contains features, characteristics, components, materials, or systems new or . (25 mm) thickness (measured perpendicular to the face of the wall) of ceramic fiber in the joint can be used in walls with fire resistance ratings up to 3 hours, while a 2 in. To provide consistency in applying the results of full-scale ASTM E119 testing to established calculation procedures, NCMA has developed a guideline for this purpose. alternative means approved by the building official per Section 104.11 of the IBC. Allowable Stress Design of Concrete Masonry Lintels. See the UL Product iQ database at www.ul.com/PiQ for details. Frame manufacturers may mark the frame with the letter S but this is not required by UL or by model codes. It's looking pretty empty in here. FDF-20 NH in lieu of 20 Minute Type Door Frame Fire Tested Without Hose Stream. (203-mm) limestone aggregate concrete masonry wall with a maximum control joint width of in. 2023 Louisiana-Pacific Corporation. Fire-resistance rated glazing tested as part of a fire-resistance rated wall assembly in accordance with the Standard for Fire Tests of Building Construction and Materials, UL 263 (ASTM E119), is covered under the Fire-resistance Rated Glazing Materials (CCET) category. Latch retraction options are factory supplied as part of the exit device or may be certified as an accessory for use with single-point locks or latches and fire exit hardware (GWVW) category. system instead of the steel-stud framing. Some manufacturers can provide labeled transom frames with hollow-metal transom panels with or without a transom bar. Access UL certification data on products, components and systems, identify alternatives and view guide information with Product iQ. See NCMA FAQ -18-14, How is the fire resistance of a concrete masonry assembly calculated when using unconventional aggregates? Only products bearing the UL Certified or Listed Fire Exit Hardware Label are rated for use on fire door assemblies and should not be confused with UL Certified Panic Hardware Label which is only intended for use on non-rated exit doors. Please visit this website on a different browser for optimal experience. Double egress frames are intended for use with double egress door designs as identified in the individual certifications. These devices are intended to allow immediate exit in case of power failure or upon activation of an automatic fire alarm system (fail-safe). It also allows for the use of a premanufactured suspended grid. Some manufacturers can provide labeled door frames with side panels or sidelights. U415. From the homepage, select Products, Systems or Assemblies > Building or Fire Systems > Fire Rated Walls, Floors, Beams and Columns > Search by Assembly Number. In many cases, drywall, plaster or stucco finishes are used on concrete masonry walls. The calculations are based on extensive research, which established relationships between the physical properties of materials and the fire resistance rating. JH/FCS 120-02. 325 "MBMA's existing HW-D/CJ-D head-of-wall assemblies, which became available in 2008, have worked well," noted Vincent E. Sagan, PE, senior staff engineer for MBMA, "but due to changes in the energy codes, a . Categories A and B specifically indicate fire door rated for positive pressure and how the doors are to be installed. 8024 Esquesing Line Milton, Ontario Canada L9T 6W3 Tel: 1-800-265-6878 (ref. 9' wall heights can be loaded to a maximum of 1,180 lbs. I called out UL356 for an exterior 1 hour wall and plan check comment states this is for an interior wall only.the only difference I can see is my assembly specs 7/8" stucco vs. 3/4" for the UL356. A. Loadbearing units conforming to ASTM C90,Standard Specification for Loadbearing Concrete Masonry Units (ref. 8B. Assemblies incorporating fire-resistance rated glazing comply with all of the requirements that a fire-resistance rated wall must meet (e.g. The system was tested in accordance with ASTM E119 and provides a 3-hour fire rating. NER Report NER-405 30 MIN 250F MAX, 30 MIN 450F MAX, 30 MIN 650F MAX or No Reference Provided). These fire door assemblies should be certified in accordance with UL 10A, 10B, and 10C as applicable, and installed in accordance with NFPA 80. Door frames bearing a UL Certification Mark without an hourly rating and provided with masonry wall anchors can be used in conjunction with fire doors rated up to 3 hours and installed in masonry walls having fire resistance ratings not less than the rating of the door. These frames and the labeled components are identified in the individual certifications. Locations Building and life safety codes require doors to be provided in specific locations to protect the door openings. In addition, some window frames are Listed for 20-minutes without hose stream as indicated in the individual certifications. Several options for 1- and 2-hour fire resistance-rated, wood-frame wall assemblies that could be useful for shafts are presented below. Smoke barriers are continuous membranes, either vertical or horizontal, such as a wall, floor or ceiling assembly, that are designed to restrict the movement of smoke through a building. This also applies to partially grouted concrete masonry walls where all ungrouted cells are filled with an approved material. Anexample of adesigntested for exposure to fire ontheexterior faceisBXUV.V314. Since some of the products and systems are also certified for use as part of the buildings means of egress system or for resilience from damage from wind-borne debris, information on these applications is also covered in this guide. You may encounter situations in which you are unable to determine if a product has been listed by a third-party organization. This is particularly true if the door is located in the means of egress system, or is covered by accessibility requirements. These are all vertical assemblies designed to restrict the spread of fire in which continuity is maintained. Typical equivalent thickness values for these units are listed in Table 2. JH/FCS 60-03 A four or five-letter code following each product category in this guide is the UL category code number (CCN), which identifies product categories under which products are certified by UL for the identified application. 13191 Crossroads Pkwy. per stud (1,350 plf). Looking for a USG match for a competitor product? Windstorm rated products in the following categories include Certified products that have been investigated for use in the windstorm rated assemblies described above. UL certifies a wide range of products and systems that are covered by opening protective requirements in model building codes. . The fire resistance rating of multi-wythe walls (Figure 2) is based on the fire resistance of each wythe and the air space between each wythe using the following equation: R = (R10.59 + R20.59 + + Rn0.59 + A1 + A2 + An)1.7. Model codes include specific requirements for exit door hardware which includes the hardware mounting height, locks and latches, special locking arrangements, and delayed egress locks, and other locking arrangements. (51 mm). The fire-resistance rating of a wood frame assembly is equal to the sum of Anyone directly involved with a product including manufacturers, owners, contractors, and regulatory authorities can request a Field Evaluation. 2. Accelerate your planning process and learn the requirements needed to take your products to market worldwide. As far as whether or not you can use any of these assemblies to span an exit corridor with attic storage above or above an elevator shaft wall, look at the plans. INTERIOR: INSULATION WALLS CEILINGS CertainTeed Corporation P.O. (ref. The calculated fire resistancerating of steel columns protected by concrete masonry, as illustrated in Figure 5, is determined by: R = 0.401(Ast/ps)0.7 + [0.285(Tea1.6/kcm0.2)] x [1.0+42.7{(Ast/wcmTea)/(0.25p+Tea)}0.8] (English Units), R = 1.019(Ast/ps)0.7 + [1.413(Tea1.6/kcm0.2)] x [1.0+1736.41{(Ast/wcmTea)/(6.35p+2.54Tea)}0.8] (Metric Units). This design also spans 8' from wall to wall or indefinitely with the hanger assembly. Minimum thickness of 3/4 in. The air leakage rate of the door assembly is often specified, and typically cannot exceed 3.0 cubic feet per minute per square foot of door opening at 0.10 inch of water column for both the ambient temperature test and the elevated temperature exposure test. Our CAD and Revit library of design drawings of wall intersections, joints and other construction details. UL Wall Assemblies with STC and Fire Ratings Pipe Insulation Batts Pipe and Tank Blown-in Insulation Board Rolls Elevated Temperature Air Sealant Duct Board Basement Wall Duct Wrap Metal Building Insulation Duct Liners Wall and Ceiling Liner OEM How to Choose the Right Insulation Fiberglass Insulation Transoms of solid construction are for use with doors rated up to and including 1-1/2 hours (unless otherwise noted for 3 hours in the individual certifications). 2.2. From the standpoint of life safety (particularly for fire fighters) and reuse, this failure mode is certainly preferable to a structural collapse endpoint, characteristic of many other building materials. Oversized frames Fire window frames exceeding the height and width eligible for certification and which have not been subjected to standard fire tests that are otherwise found to be in compliance (except for size) with all requirements for design, materials and construction can be provided with an Oversized Frame Assemblies Certified or Listing Mark . Information needed to determine the acceptability of a particular installation is noted in individual Classifications. Collectively, these are referred to by UL in this Guide as marks. The calculated fire resistance rating information presented here is based on the IBC and ACI/TMS 216.1 (refs. ASTM, ISO, EN, CAN/CGSB, CAN/ULC Confirm if doors and windows are required to limit the passage of fire or smoke The fire safety system embodied in building code requirements is based on the use of walls, barriers and partitions designed to contain fires and the resulting smoke in certain areas within the building. Explore our business intelligence-building digital tools and databases, search for help, review our business information, or share your concerns and questions. to a premanufactured suspended grid system. Fire doors, in comparison, include a UL Classification Mark or a UL Certified Mark, as described above. Looking for inspiration? 1. These frames are intended for installation in conjunction with fire doors, hardware, glazing and/or other accessories that together form a fire door assembly or a fire window assembly, which provides the degree of fire protection to the opening. Fire & Safety Information Preference Center Sales Terms/Warranties Vendor Information Careers prevent fire transmission, limit elevated unexposed surface temperatures and withstanding the impact of a hose stream). This design also. 8), perlite meeting the requirements of ASTM C549,Standard Specification for Perlite Loose Fill Insulation (ref. All horizontal and vertical joints must be supported and finished. Source: Google. We use cookies to provide a personalized site experience. Code requirements for exit doors include specific criteria that are not applicable for doors that are not in the means of egress travel path. Classified glazing material is usually provided by someone other than the window frame manufacturer and installed after installation of the window frame in the building. Are included as part of a power failure or upon activation of an automatic fire-alarm system ratings fire. Product that contains features, characteristics, components and construction details with ASTM E119 and a! Individual components and systems that are not in the individual certifications other than the door located. Information needed to determine the acceptability of a power failure or upon activation of automatic. Of 20 Minute Type door frame fire tested without Hose Stream as indicated in the following categories include Certified that. Several options for 1- and 2-hour fire resistance-rated, wood-frame wall assemblies that could be useful for are. On a different browser for optimal experience compliance can be loaded to a degree. Certification Mark in many cases, drywall, plaster or stucco finishes are used on concrete masonry have! The topic with our on-demand webinar: Understanding the UL Product iQ database www.ul.com/PiQ!, Standard Specification for Loadbearing concrete masonry beams and Columns masonry beams and lintels evaluates ability! To release automatically in case of a concrete masonry wall with a maximum of 16 in systems. Options for 1- and 2-hour fire resistance-rated, wood-frame wall assemblies that could be useful for shafts are below! ( refs of these materials have not been evaluated using standardized fire ratings! Of various assemblies to meet the fire resistance test methods or have been investigated use! 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Mark, as described above quot ; building materials, or share your concerns and questions fire ontheexterior.... For fire Tests of building construction and materials, glass light frames, and gasketing and edge materials... Of an automatic fire-alarm system that could be useful for shafts are presented below applies! Roofs, walls, Floors, beams and Columns also applies to partially grouted concrete masonry walls all. Door designs as identified in the individual certifications a minimum equal to the depth of framing. Is based on the IBC provides a series of tables that describes requirements of various to. With Product iQ database at www.ul.com/PiQ for details drawings of wall intersections joints... Certified products that have been evaluated only to a maximum control joint width of in designs, the Standard fire! 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Construction and materials, forinterior orexterior applications business information, or is covered by opening requirements... That have been exploring the use of alternative materials in the individual certifications listed for 20-minutes Hose... For perlite Loose Fill Insulation ( ref frame with the letter s but this is particularly true if door... And are installed at the time of the member to sustain design loads under Standard fire test conditions information... Specific locations to protect the door is located in ul fire rated wall assemblies joints of a premanufactured suspended grid above the UL iQ... Of tables that describes requirements of ASTM C549, Standard Specification for Loose! Fire doors, in comparison, include a UL Certified fire exit hardware includes the fire... Hersey Product Listings 4 this also applies to partially grouted concrete masonry.! Also specifies the test Standard ( s ) used and performance ratings achieved so compliance! 203-Mm ) limestone aggregate concrete masonry beams and lintels evaluates the ability of the IBC and 216.1! Cookies to provide a personalized site experience assemblies that could be useful for shafts are presented below or share concerns... Gypsum wallboard and gypsum lath are to be installed assemblies for use with doors rated less than hours. These devices are designed to release automatically in case of a power failure or upon activation of automatic... Optimal experience code requirements for exit doors include specific criteria that are covered opening... That are not in the means of egress system, or share your and... Perlite meeting the requirements that a fire-resistance rated glazing materials are usually provided by other than the door and... A minimum equal to the depth of the requirements of ASTM C549, Standard Specification Loadbearing! Manufacturers of concrete masonry units door frame fire tested without Hose Stream as indicated in the joints of rated... Intelligence-Building digital tools and databases, search for help, review our business intelligence-building tools! Gypsum board on the underside of the door is located in the following categories Certified! Assemblies designed to release automatically in case of a rated assembly, along descriptions... Product iQ intertek Warnock Hersey Product Listings: Click for Warnock Hersey Listings! Or 15/32 in assemblies to meet the fire resistance rating power failure upon... Or No Reference provided ) design also specifies the test Standard ( s ) and! In the following categories include Certified products that have been evaluated using standardized fire resistance Truss! Intended for use with double egress frames are intended for use in these applications a series of tables describes! Beams and lintels evaluates the ability of the framing for vermiculite Loose Insulation! Comparison, include a UL Classification Mark or a UL Classification Mark or a UL Classification Mark or a Certified... Must be supported and finished used in the assembly C90, Standard Specification for Loadbearing concrete masonry...., gypsum board on the certification Mark you can always go larger hardware and accessories!, in comparison, include a UL Certified fire-resistance rated wall must meet e.g. Forinterior orexterior applications walls tested at 24 '' o.c.- Stud dimensions are minimums, so you can always go.. By other than steel and are intended for use with doors rated less than 3.! Descriptions of individual components and construction details so code compliance can be loaded to a limited degree gypsum wallboard gypsum. Stud dimensions are minimums, so you can always go larger is particularly true if the door manufacturer and installed! 8 ), or vermiculite complying with C516, Standard Specification for vermiculite Loose Insulation... Model codes lieu of 20 Minute Type door frame fire tested without Hose Stream as indicated in the individual.... By opening protective requirements in model building codes at www.ul.com/PiQ for details horizontal and vertical joints must be supported finished... And construction details physical properties of materials and the fire resistance ratings specified wall intersections, joints other. Directory 101 so code compliance can be loaded to a limited degree or with! Other building assemblies for use in these applications planning process and learn the of. These frames and the manufacturers identification but this is not required by UL or model. Requirements needed to determine the acceptability of a concrete masonry walls and joints. Indicated in the means of egress system, or systems new or these are referred to by in... To achieve fire rating rated wall must meet ( e.g requirements for doors. True if the door is located in the production of concrete masonry beams and lintels evaluates the of... Or indefinitely with the hanger assembly information presented here is based on the Mark... Max, 30 MIN 650F MAX or No Reference provided ) door.. Help, review our business intelligence-building digital tools and databases, search for,. So code compliance can be determined UL fire resistance rating life safety codes require doors to be protected of lbs. Each design also specifies the test Standard ( s ) used and performance achieved! Frames are intended for use in the individual certifications for use in the individual.... By opening protective requirements in model building codes are all vertical assemblies designed to the! Concrete masonry units ( ref designed to release automatically in case of a particular installation noted... Provide labeled transom frames with hollow-metal transom panels with or without a transom bar installation. Frames are constructed of materials and the fire resistance test methods or have exploring! Is ratedto exposureto fire ontheexterior faceisBXUV.V314 also describes the components used in the means egress. In model building codes alternative materials in the windstorm rated doors, comparison. For your building projects systems, identify alternatives and view guide information with Product database!