Note that when finishes are used to achieve the required fire rating, the masonry alone must provide at least one-half of the total required rating and the contribution of the finish on the non-fire-exposed side can not be more than one-half of the contribution of the masonry alone. These products are Classified for fire ratings of 3/4 hour, 1 hour, 1-1/2 hours, and 3 hours, or a fire rating of 20 min fire-protection rated without hose stream as indicated in the individual Classifications. 2" x 4" [38 x 89 mm] Wood Studs, 16" [406 mm] O.C. the intersection of a rated wall assembly and a non-rated roof assembly. alternative means approved by the building official per Section 104.11 of the IBC. Option for wood structural panel sheathing. fire protection rated products. It's time to start building. Fire-rated wall, floor and ceiling assemblies provide the necessary fire and smoke barriers to create compartmentalization during a fire, safeguarding against the spread of fire and smoke within a building or to and from a building. Finishes that contribute to the total fire resistance rating of a wall must meet certain minimum installation requirements. If all cells of hollow unit masonry are filled with an approved material, the equivalent thickness of the assembly is the actual thickness. The calculated fire resistance rating of concrete masonry lintels is based on the nominal thickness of the lintel and the minimum cover of longitudinal reinforcement (see Table 5 ). Metl-Span's ThermalSafe fire-resistance panels meet the required ratings for today's buildings through Intertek and UL+ fire approval, in both the U.S. and Canada. Depending on the rating, sealing the edges of the wall may also be specified. diam and 15/64 in. See NCMA FAQ -18-14, How is the fire resistance of a concrete masonry assembly calculated when using unconventional aggregates? 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. sides of fire-rated walls as the base layer or the face layer. Fire-resistance-rated floor-ceiling and wall assemblies shall extend to and be tight against the exterior wall, and wall assemblies shall extend from the foundation to the underside of the roof sheathing.Exceptions: A fire-resistance rating of 1/2 hour shall be permitted in buildings . As a global safety science leader, UL Solutions helps companies to demonstrate safety, enhance sustainability, strengthen security, deliver quality, manage risk and achieve regulatory compliance. Download Related Light Frame 2-Hour Fire Wall at Truss Floor with WSP View 1-Hour STC 58 I-Joist Floor Assembly View 1-Hour STC 53 Staggered Stud Wall View Access UL certification data on products, components and systems, identify alternatives and view guide information with Product iQ. Door and window assemblies in smoke barriers are required to be protected against fire and smoke leakage in accordance with requirements included in the opening protective portion of the code. NOTE: If sound testing is associated with the search, it will be displayed with the results. Navigating fire resistance rating questions with answers from UL experts. View our, New Products: USG Ceilings Inspirational Book, Danoline Acoustical Gypsum Inspirational Book, Acoustical Ceilings Performance Substrate, Ensemble Acoustical Drywall Ceiling Estimator, USG Acoustical Ceiling Panels & Acoustical Suspension Systems Catalog (WL294911), STRUCTO-CRETE Brand Structural Panels Portfolio, Levelrock & Durock Brand Fire & Sound Rating Guide, California Transparency in Supply Chain Act, Terms and Conditions for USG Sales/Terms and Conditions for USG POs. Title: BXUV.U387 - Fire-resistance Ratings - ANSI/UL 263 Author: dmartinez Created Date: 6/28/2016 3:05:15 PM 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. Yes. Sure-Span can also be used in roof systems as well. has a minimum fire rating for the assembly of 1 hour, which is a typical requirement for many building codes. 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. Warnock Hersey Product Listings This 2-hour horizontal shaft wall assembly includes 4" shaftwall, studs with shaftliner panels between each stud and three layers, gypsum board applied to the underside of the framing. ICC-approved applications for fire-rated sheathing that combines flame-spread and burn-through resistance to meet fire codes. Find out what and how much you need to buy for your next building project. and bottom of wall. When used, each townhouse unit shall be separa-ted from other townhouse units by two 1-hour fire-resistance-rated wall assemblies tested in accordance with ASTM E119, UL 263 or Section 703.3 of the International Building Code. Exterior Fire-Resistance Rated Walls For more information visit www.ul.com The fire-resistance rated wall assemblies published under the U, V and W series of designs on the UL Online Certifications Directory are intended for interior applications unless otherwise specified or implied in the design. The last two options listed above require justification to the building official that the proposed design is at least the equivalent of what is prescribed in the code. Exit locks are investigated in accordance with the UL 305 standard for Panic Hardware. Fire exit hardware is investigated in accordance with UL 305 and UL 10C. Fire window frames intended to be installed above the floor in drywall construction should be installed as specified by the installation instructions provided with the window frame. The Product Guide Information includes the scope of the products and assemblies covered, information relating to limitations or special conditions applying to the product, the requirements used for the investigation of the products, general installation and use information, and information on product markings and the UL Mark to be used on the product. ASTM International, Inc., 2018. 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. Our products are manufactured to the stringent tolerances established by the American Iron and Steel Institute, and the most recent IBC, IRC, and CBC Building Codes. Therefore, twoseparate tables are required. Navigate your business in an increasingly complex world with industry-leading research and actionable insights from UL Solutions. 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. Similarly, for a fire window installation it is important to identify the wall construction, the type of glazing required and the appropriate frame for the glazing and wall construction. 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. December 22, 2020. 3-Hour Fire Wall Assembly 3-hour metal stud fire wall assembly per UL U435 with wood stud bearing walls on either side. There are also requirements in place for special locking arrangements that allow for egress while also providing a suitable level of security for the premises. Penetrations by steel, ferrous or copper conduits, pipes, tubes or vents or concrete or masonry items through a single fire-resistance-rated floor assembly where the annular space is protected with materials that prevent the passage of flame and hot gases sufficient to ignite cotton waste when subjected to ASTM E119 or UL 263 time-temperature fire conditions under a minimum positive pressure . Vincent E. Sagan "UL W447 is a result of applying previous testing for an exterior wall assembly to a new interior wall assembly. In addition to the steel head and jamb members, these frames should be equipped with a steel mullion, transom bar, steel-covered composite transom panel, and glazing beads. For additional information, please visit: When constructing a building, considering its overall fire protection plan is an important initial step. This TEK is based on both prescriptive details and tables as well as the calculated fire resistance procedure, which is practical, versatile and economical. ASTM, ISO, EN, CAN/CGSB, CAN/ULC In addition, the exterior facings specified in item 8 must be adhered to in order to utilize this design as an exterior bearing wall where a wall rating is required for fire that could encroach from the exterior side of the building. U465 June 07, 2013 Nonbearing Wall Rating 1 HR. 5. This includes doors that provide privacy, limit access, isolate equipment, provide security, etc. 2. Q:AreULfireresistance-ratedwall assembly designs testedtoUL263,the Standard for Fire Tests of Building Construction and Materials,forinterior orexterior applications? Such unconventional materials, which are typically used as a replacement for conventional aggregates, may not be covered within existing codes and standards due to their novelty or proprietary nature. Fire window frames are Listed for a 3/4 hour or 1-hour fire rating. Standards products are certified against 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. Choose File Type. In all cases installation is to be done in accordance with NFPA 80, NFPA 105 and the manufacturers installation instructions. Product category codes are indicated below. (116 mm). USG provides resources here for our UL wall assemblies for seamless integration into any construction project. Care should be taken to verify that the doors, frames, glazing and hardware are installed in accordance with the manufacturers installation instructions, and in accordance with NFPA 80 requirements. Fire window assemblies typically have an hourly fire-protection rating somewhat less than the corresponding hourly fire-resistance rating of the vertical (wall) assembly in which they are installed. Standard Specification for Vermiculite Loose Fill Thermal Insulation, ASTM C516-08 (2013). Certified exit doors include the UL symbol, the word LISTED or CERTIFIED, and Sliding Exit Door, Swinging Exit Door, Bifold Exit Door or Exit Door. Hourly Rating: 2-hour . More information on those products is located in ULs Product iQ database under security equipment. 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. Care should be taken to ensure that products used in the assembly include appropriate UL Certification Markings, as described in the design. Q:If the building code requiresan exterior wallbe rated for fire approaching from the outside due to proximity to an adjacent building or property line, how can I use ProductiQto find appropriatewall designs? Smoke partitions are continuous vertical membranes, such as a wall, that are also designed to restrict the movement of smoke through a building. Fire and smoke protection Building codes rely on fire and smoke protection features to safeguard the public and emergency responders from fire and smoke hazards. Seeing a need, National, A 1-hour horizontal assembly that consists of 3 " steel studs, 16" o.c. The hourly ratings for special frames are shown in the individual certifications. Were everywhere your business needs us to be. Recall Information: Decking | Press Releases. These devices are intended to allow immediate exit in case of power failure or upon activation of an automatic fire alarm system (fail-safe). 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