Use UL design W419 for 1- through 4-hour shaftwall systems or UL design V497 for 1- and 2-hour assemblies using Type X gypsum board on one side of minimum 3 " steel studs. Find out what and how much you need to buy for your next building project. Some of these materials have not been evaluated using standardized fire resistance test methods or have been evaluated only to a limited degree. 18 gauge or heavier steel or stainless steel and properly anchored, will comply with the positive pressure test requirements. Fire partitions are primarily utilized for corridor wall construction and as tenant separations in malls and residential units. Next, choose the section "Fire Rated Roofs, Walls, Floors, Beams and Columns." 3. This recommended approach applies primarily to doors, but some of the concepts are also applicable to windows, specifically those intended to restrict the movement of fire and smoke in a building. 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. The result, Tef, is then added to the concrete masonry wall equivalent thickness, Te, and used in Table 1 to determine the walls fire resistance rating (i.e., the equivalent thickness of concrete masonry assemblies, Tea = Te + Tef). Collectively, these are referred to by UL in this Guide as marks. (135 mm), Tr = (4.4 x 0.80) + (5.3 x 0.20) = 4.6 in. 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. Fire-rated wall assemblies are built to separate building areas with higher hazards from those with lower hazards, to separate people from hazards and storage areas, to divide a building into. 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. What modifications can be made to fire-rated wall assemblies without affecting the assigned fire rating? Assembly Rating 1 HR. ASTM, ISO, EN, CAN/CGSB, CAN/ULC 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. 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. 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. UL offers a field evaluation service that provides a method to assist you in making your decision whether to accept the product and/or approve the installation. See how LP FlameBlock sheathing performs in a controlled product demonstration compared to untreated OSB. For example, the IBC and ACI/TMS 216.1 include provisions for ceramic fiber joint protection for precast panels, which are similar to concrete masonry walls in that both rely on concrete for fire protection, and both are governed by the ASTM E119 heat transmission criteria (see Figure 4). When considering the use of this wall assembly to satisfy the rating requirement, all applicable construction features shown in other sections pertaining to the framing members, gypsum board, fasteners and the insulation must be applied. It also allows for the use of a premanufactured suspended grid. JH/FCS 60-06 The Mark typically describes if the frame includes sidelights and/or transom panels, may include hourly ratings, and may describe if the frame was evaluated without hose stream. Looking for a USG match for a competitor product? water column. No min. You can always add more layers of gypsum board to any, You can add glass fiber or mineral wool insulation to, No, you do not need to use joint treatment materials. 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. This section contains procedures for calculating the fire-resistance ratings of walls, floor/ceiling and roof/ceiling assemblies based in part on the standard method of testing referenced in Section 703.2. Transom panel frames of standard construction are for use with doors rated up to and including 1-1/2 hours. The exterior metal cladding and interior sides were both subjected to separate one-hour fire tests, as well as hose stream tests immediately following each burn. UL Design No D504 2 HR Protected. 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. Installation details other than those specified in NFPA 80 and SDI A250.11 are shipped with the frames. Within the "Keyword" dialog box, type in "Exterior". 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. The fire resistance rating is determined in accordance with Table 1 utilizing the appropriate aggregate type used in the masonry unit and the equivalent thickness. 5.1.5.3.2. Each design also specifies the test standard(s) used and performance ratings achieved so code compliance can be determined. By continuing to use and browse this site, you agree to our Privacy Policy. The calculation procedure allows the designer virtually unlimited flexibility to incorporate the excellent fire-resistive properties of concrete masonry into a design. (152 mm) masonry; however, if a special analysis indicates that the reinforcement is not necessary or not needed, such as when conditions for arching action are present, the cover requirements may be waived. 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. These fire window assemblies should be certified in accordance with UL 9, and installed in accordance with NFPA 80. The active surface of the actuating paddle must be visually and physically distinct from the rest of the device. Start saving documents for quick referenc or log in to view previous folders. In that situation, the building code requires the exterior wall to have a specified fire resistance rating that is dependent on several factors such as construction type, occupancy group and separation distance. Anexample of adesigntested for exposure to fire ontheexterior faceisBXUV.V314. Standard Specification for Vermiculite Loose Fill Thermal Insulation, ASTM C516-08 (2013). Oversized doors Freight elevator type, rolling steel type, and sliding or swinging steel-covered composite type, hollow-metal type, metal-clad (Kalamein) type, sheet-metal type and tin-clad type are fire tested up to the sizes recorded in the listings published under their respective product categories. long Type S bugle-head steel screws spaced . Unless otherwise noted, fire ratings apply to tests conducted on both sides. As with the oversize doors described above, prospective users should first ascertain from the code authority whether the oversize frame assembly is acceptable for any given location. An important aspect of limiting the spread of fire and smoke is protecting openings in the fire and smoke rated assemblies that are provided to allow the building to be functional. ASTM International, Inc., 2018. thick structural sheathing (plywood) complying with DOC PS1 or PS2, or APA Standard PRP-108, manufactured with exterior glue, may be applied horizontally or vertically to the framing members. Next,choosethe sectionFire Rated Roofs, Walls, Floors, Beams and Columns.. Concrete masonry column fire testing evaluates the ability of the column to carry design loads under standard fire test conditions. All rights reserved. The frame is to be provided by the manufacturer with anchors selected to match the wall construction being used. 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. The minimum required cover over the vertical reinforcement is 2 in. Sizes & Shapes All blocks are available in Westbrook Block's full range of colors and architectural finishes. However frames may or may not be marked with hourly ratings. Although these details are not directly in the IBC, they are included by reference in ACI/TMS 216.1. Welcome to the cutting edge of safety science. The actuating paddle is an arm, push plate or paddle which functions as the activating mechanism of an exit lock on the egress side of the door. Section II, item 13 of this guide includes a description of wood structural panels and the requirements . This guide is designed to help users locate, specify or verify UL Certified doors, windows and related hardware to meet applicable model code requirements for applications including fire and smoke protection, egress, and windstorm resilience. UL Certified glazing materials include the word CERTIFIED or CLASSIFIED above the UL symbol and the manufacturers identification. However, the hourly rating, construction, extent of continuity and support for these structures varies. Table 7 applies to finishes on the non-fire-exposed side of the wall, and Table 8 applies to finishes on the fire-exposed side. Standard 20-minute type window frames consist of formed steel sheet, reinforced as required, with a stationary-type single sash or with stationary type multiple sashes. As can be seen . 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. If its UL Solutions and newsworthy, its here. Source: Google. 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. Be marked with hourly ratings can be determined details are not directly in the IBC, they included. Be certified in accordance with NFPA 80 and SDI A250.11 are shipped with the positive pressure test requirements 4.6. 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