Design/System/Construction/Assembly Usage Disclaimer Authorities Having Jurisdiction should be consulted in all cases as to the particular requirements covering the installation and use of UL Certified products, equipment, system, devices, and materials. Authorities Having Jurisdiction should be consulted before construction. Fire resistance assemblies and products are developed by the design submitter and have been investigated by UL for compliance with applicable requirements. The published information cannot always address every construction nuance encountered in the field. When field issues arise, it is recommended the first contact for assistance be the technical service staff provided by the product manufacturer noted for the design. Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate methods of construction. Only products which bear UL's Mark are considered Certified. BXUV - Fire Resistance Ratings - ANSI/UL 263 Certified for United States BXUV7 - Fire Resistance Ratings - CAN/ULC-S101 Certified for Canada Design No. L006 Unrestrained Assembly Rating — 1 Hr. Finish Rating — 12 Min. This design was evaluated using a load design method other than the Limit States Design Method (e.g., Working Stress Design Method). For jurisdictions employing the Limit States Design Method, such as Canada, a load restriction factor shall be used — See Guide BXUV or BXUV7 * Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification (such as Canada), respectively. Cookies on UL Solutions We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. We also share 1. Finish Flooring — 1 by 4 in., T&G; laid perpendicular to joists, or 19/32 in. plywood wood structural panels min grade "Underlayment" . Face grain of plywood to be information about your use of our site with our social media, advertising and analytics partners. Learn more perpendicular to joists with joints staggered. 1A. Alternate Finish Flooring — The alternate finish flooring may consist of the following: System No. 1 Cookies Settings Reject All Accept All Cookies Floor Topping Mixture* — Foam concentrate mixed 40:1 by volume with water and expanded at 100 psi through a foam nozzle. Mix at rate of 1.4 cu ft of preformed foam to 94 lbs Type I Portland Cement and 300 lbs of sand with approximately 5.5 gal of water. Cast density of Floor Topping Mixture 100 (+ or -) 5 pcf. Min compressive strength 1000 psi. Thickness 1-1/2 in. ELASTIZELL CORP OF AMERICA — Type FF. System No. 2 Deleted. System No. 3 Floor Topping Mixture* — 6.8 gal of water to 80 lbs of floor topping mixture to 1.9 cu ft of sand. Min compressive strength 1000 psi, thickness 1 in. HACKER INDUSTRIES INC — Firm-Fill Gypsum Concrete, Firm-Fill 2010, Firm-Fill 4010, Firm-Fill High Strength, Gyp-Span Radiant and Firm-Fill 3310. Floor Mat Materials* — (Optional) — Floor mat material nom 5/64 in. (2 mm) thick adhered to subfloor with Hacker Floor Primer. Primer to be applied to the surface of the mat prior to the placement of a min 1-1/4 in. of floor-topping mixture. HACKER INDUSTRIES INC — Type Hacker Sound-Mat. Alternate Floor Mat Materials - (Optional) — Floor mat material nom 1/4 in. (6 mm) thick adhered to subfloor with Hacker Floor Primer. Primer to be applied to the surface of the mat prior to the placement of a min 1-1/4 in. (32 mm) of floor-topping mixture. HACKER INDUSTRIES INC — Type Hacker Sound-Mat II. Alternate Floor Mat Materials - (Optional) — Floor mat material nom 1/8 in. (3 mm) thick loose laid over the subfloor. Floor topping thickness shall be a min of 1 in. (25 mm) HACKER INDUSTRIES INC — FIRM-FILL SCM 125 Alternate Floor Mat Materials - (Optional) — Floor mat material nom 1/4 in. (6 mm) thick loose laid over the subfloor. Floor topping thickness shall be a min of 1 in. (25 mm) HACKER INDUSTRIES INC — Type FIRM-FILL SCM 250, Quiet Qurl 55/025 Alternate Floor Mat Materials - (Optional) — Floor mat material nom 3/8 in. (10 mm) thick loose laid over the subfloor. Floor topping thickness shall be a min of 1-1/4 in. (32 mm) HACKER INDUSTRIES INC — FIRM-FILL SCM 400, Quiet Qurl 60/040 Alternate Floor Mat Materials - (Optional) — Floor mat material nom 3/4 in. (19 mm) thick loose laid over the subfloor. Floor topping thickness shall be a min of 1-1/2 in. (38 mm) HACKER INDUSTRIES INC — Type FIRM-FILL SCM 750, Quiet Qurl 65/075 Metal Lath (Optional) — For use with 3/8 in. (10 mm) floor mat materials, 3/8 in. expanded steel diamond mesh, 3.4 lbs/sq yd placed over the floor mat material. Hacker Floor Primer to be applied prior to the placement of the metal lath. When metal lath is used, floor topping thickness a nom 1-1/4 in. over the floor mat. System No. 4 Finish Flooring-Floor Topping Mixture* — Min. 3/4 in. thickness of floor topping mixture having a minimum compressive strength of 1500 psi. Refer to manufacturer's instructions accompanying the material for specific mix design. MAXXON CORP — Types Maxxon Standard and Maxxon High Strength Floor Mat Materials*(Optional)— Floor mat material loose laid over the subfloor. Refer to manufacturer's instructions regarding the minimum thickness of floor topping over each floor mat material. MAXXON CORP — Type Encapsulated Sound Mat. Floor Mat Reinforcement - (Optional) - Refer to manufacturer's instructions regarding minimum thickness of floor topping for use with floor mat reinforcement. Metal Lath (Optional) — 3/8 in. expanded galvanized steel diamond mesh, 3.4 lbs/sq yd loose laid over the floor mat material. Fiber Glass Reinforcement - (Optional) - 0.015 in. thick PVC coated non-woven fiberglass mesh, 0.368 lbs/sq yd loose laid over the floor mat material. System No. 5 Finish Flooring-Floor Topping Mixture* — Foam concentrate mixed 40:1 by volume with water and expanded at 100 psi through nozzle. Mix a rate of 1.20 cu ft of preformed foam to 94 lbs Type I Portland cement and 300 lbs of sand with 5-1/2 gal of water. Cast density of floor topping mixture 95 to 105 pcf. Min compressive strength of 1000 psi. Min thickness 1-1/2 in. AERIX INDUSTRIES System No. 6 Finish Flooring — Floor Topping Mixture* — Compressive strength to be 1000 psi min. Thickness to be 1 in. min. Refer to manufacturer's instructions accompanying the material for Cookies on UL Solutions specific mix design. We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. Learn more ARCOSA SPECIALTY MATERIALS — AccuCrete® Types NexGen, Green, Prime and PrePour, AccuRadiant®, AccuLevel® Types G40, G50 and SD30 DEPENDABLE LLC — GSL M3.4, GSL K2.6, GSL-CSD or GSL RH Alternate Floor Mat Material* - (Optional) - Floor mat material nominal 2 - 9.5 mm thick loose laid over the subfloor. Floor topping shall be a min of 1 in. ARCOSA SPECIALTY MATERIALS — AccuQuiet® Types D13, D-18, D25, DX38., EM.125, EM.125S, EM.250, EM.250S, EM.375, EM.375S, EM.750, and EM.750S. System No. 7 Finish Flooring — Floor Topping Mixture* — Compressive strength to be 1500 psi min. Thickness to be 3/4 in. min. Refer to manufacturer's instructions accompanying the material for specific mix design. FORMULATED MATERIALS LLC — Types FR-25, FR-30, and SiteMix. Alternate Floor Mat Material* — (Optional) — Floor mat material nominal 2 - 9.5 mm thick loose laid over the subfloor. Floor topping shall be a min of 3/4 in. FORMULATED MATERIALS LLC — Types M1, M2, M3, Elite, Duo, R1, and R2 System No. 8 1. Subflooring — Min 23/32 in. thick T&G wood structural panels, min grade "Underlayment" or "Single-Floor". Face grain of plywood or strength axis of panels to be perpendicular to the trusses with end joints staggered 4 ft. Panels secured to trusses with construction adhesive and No. 6d ringed shank nails spaced 12 in. OC along each truss. Staples having equal or greater withdrawal and lateral resistance strength may be substituted for the 6d nails. 2. Gypsum Board* — One layer of nom 5/8 in. thick, 4 ft wide gypsum board, installed with long dimension perpendicular to joists. Gypsum board secured with 1 in. long No. 6 Type W bugle head steel screws spaced 12 in. OC and located a min of 1-1/2 in. from side and end joints. The joints of the gypsum board are to be staggered a minimum of 12 inches from the joints of the subfloor. GEORGIA-PACIFIC GYPSUM L L C — Type DS 2A. Floor Mat Materials* — (As an alternate to item 2) - Floor mat material loose laid over the subfloor. MAXXON CORP — Type Encapsulated Sound Mat 3. Gypsum Board* — (For use when floor mat (Item 2) is used) Two layers of nom 5/8 in. thick, 4 ft wide gypsum board, installed with long dimension perpendicular to joists on top of the floor mat material. Gypsum board secured to each other with 1 in. long No. 6 Type G bugle head steel screws spaced 12 in. OC and located a min of 1-1/2 in. from side and end joints. The joints of the gypsum board are to be staggered a minimum of 12 inches in between layers and from the joints of the subfloor. GEORGIA-PACIFIC GYPSUM L L C — Type DS System No. 9 Finish Flooring - Floor Topping Mixture* — Min 3/4 in. thickness of floor topping mixture having a minimum compressive strength of 1800 psi. Refer to manufacturer's instructions accompanying the material for specific mix design. UNITED STATES GYPSUM CO — Types LRK, HSLRK, CSD USG MEXICO S A DE C V — Types LRK, HSLRK, CSD Floor Mat Materials* — (Optional) - Floor mat material loose laid over the subfloor. Refer to manufacturer's instructions regarding the minimum thickness of floor topping over each floor mat material. UNITED STATES GYPSUM CO — Types SAM, LEVELROCK® Brand Sound Reduction Board, LEVELROCK® Brand Floor Underlayment SRM-25 System No. 10 Finish Flooring — 1 by 4 in., T&G; laid perpendicular to joists, or 19/32 in. plywood wood structural panels min grade "Underlayment". Face grain of plywood to be perpendicular to joists with joints staggered. Finish Flooring - Floor Topping Mixture* — Min 3/4 in. thickness of any Floor Topping Mixture bearing the UL Classification Marking as to Fire Resistance. See Floorand Roof-Topping Mixtures (CCOX) category for names of Classified Companies. Refer to the manufacturer’s instructions accompanying the material and/or contact the manufacturer’s technical support for specific mix design and minimum thickness recommended for use with eligible floor mat(s). Floor Mat Materials* — (Optional, Not Shown) - Floor mat material loose laid over the subfloor. Refer to manufacturer's instructions regarding the minimum thickness of floor topping over each floor mat material. LOW & BONAR INC — EnkaSonic® by Colbond a member of the Low & Bonar group Types 125, 250, 250 Plus, 400, 400 Plus, 750, and 750 Plus. Floor Mat Reinforcement — (Optional) - Refer to manufacturer's instructions regarding minimum thickness of floor topping for use with floor mat reinforcement. Metal Lath — (Optional) — Expanded steel diamond mesh, 2.5 lb / sq yd loose laid over floor mat material. Fiberglass Mesh Reinforcement — (Optional) — Coated non-woven glass fiber mesh grid loose laid over floor mat material. Cookies on UL Solutions We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. Learn more 2. Building Paper — (Not to be used with System No. 8) Commercial red rosin, 0.010 in. thick. 3. Subfloor — (Not to be used with System No. 8) 1 by 6 in., T&G; laid diagonally, or 15/32 in. plywood wood structural panels, min grade "C-D". Face grain of plywood to be perpendicular to joists with joints staggered. 4. Bridging — 1 by 3 in. 5. Wood Joists — 2 by 10 in., 16 in. OC, fire-stopped. 6. Wood Hanger Block — 2 by 4 in. white pine, nailed with 16d nails (two at each end) between joists where hanger wires cannot be directly suspended from joists to the suspension system. 7. Hanger Wire — No. 12 SWG galv steel wire, supported from 16d nails driven through wood joists, 5 in. below subfloor, and bent upward at both ends for positive support. Where hanger wire locations occur between joists, hanger wire shall be supported from wood hanger block (Item 6). When the ceiling is composed of 4 by 4 ft grid modules, hanger wires located 4 ft OC along main runners. Additional hanger wires to occur at all four corners of light fixtures and at mid-span of cross tees adjacent to light fixtures and air duct outlets. When the ceiling is composed of 5 by 5 ft grid modules, hanger wires spaced (1) 5 ft OC along main runners in 5 by 5 ft modules containing light fixtures, (2) at both ends and mid-spans of 5 ft cross tees adjacent to long sides of light fixtures, (3) 4 ft OC along main runners in 5 by 5 ft modules containing only acoustical tile, (4) 3 ft from one end of downward access tees when used to form 2 by 5 ft access, (5) at quarter points of linear air diffusers, (6) at midpoint of linear air returns. When the alternate steel framing members described under Items 16 and 16A are used, additional hanger wires are required at midpoint of the nom 5 ft long concealed tees, downward access tees, and upward access tees. 8. Air Duct — No. 22 MSG min galv steel. Total area of duct openings not to exceed 81 sq in. per each 100 sq ft of ceiling area. Area of individual duct opening not to exceed 81 sq in. Max dimension of opening 9 in. Duct supported by 1-1/2 in. deep 16 MSG cold-rolled painted steel channels spaced 48 in. OC suspended by 12 SWG galv steel wire. 9. Damper — No. 13 MSG galv steel, 15 by 15 in. Protected on both surfaces with 1/16 in. thick ceramic fiber paper and held open with a Fusible Link (Bearing the UL Listing Mark). 10. Air Terminal Units* — Linear Air Diffusers — 4 and 5 ft long units. Located in dual main runner away from light fixtures or in dual cross tee adjacent to one side of 20 in. wide light fixture. Linear air return (Item 11) to be located in dual cross tee adjacent to opposite side of 20 in. wide light fixture to complete the 2 by 4 ft or 2 by 5 ft module. Linear air diffusers attached to each web of dual main runner or dual cross tee with steel sheet-metal screws at midpoint. Each linear air diffuser supported by 12 SWG hanger wire at its quarter points. A max of 10 lineal ft of linear air diffuser is allowed per each 100 sq ft of ceiling area. TEMPMASTER CORP — Type TBD. 11. Air Terminal Units* — Linear Air Returns — 4 and 5 ft long units. Located in dual main runner away from light fixtures or in dual cross tee adjacent to one side of 20 in. wide light fixture. Linear air diffuser (Item 10) to be located in dual cross tee adjacent to opposite side of 20 in. wide light fixture to complete the 2 by 4 ft or 2 by 5 ft module. Linear air return attached to each web of dual main runner or dual cross tee with steel sheet-metal screws at midpoint. Each linear air return supported by 12 SWG hanger wire at its midpoint. A max of 10 lineal ft of linear air return is allowed per each 100 sq ft of ceiling area. TEMPMASTER CORP — Type TBDR. 12. Fixtures, Recessed Light — (Bearing the UL Listing Mark). Recessed light fixture with steel housing, nom 24 by 48, 20 by 48, or 20 by 60 in size. The 20 by 60 in. fixture has a 20 by 48 in. enclosure with 6 in. flat steel extensions at each end. The nom 24 by 48 in. size fixtures may be provided with or without vented sides to accommodate air boots (Item 13). Fixtures spaced so their area does not exceed 14 sq ft per 100 sq ft of ceiling area. In determining the allowable fixture area the nom 20 by 60 in. fixture should be considered as having a 20 by 48 in. area. Linear air diffusers (Item 10) and linear air returns (Item 11) must be used in conjunction with 20 in. wide light fixtures. Wired in conformance with the National Electrical Code. Fixtures and ballasts must be considered for these ambient temperature conditions before installation. 13. Air Boots — No. 24 MSG galv steel air boots are installed in pairs, along both sides of nom 24 by 48 in. air supply light fixtures, and are connected by a 24 MSG galv steel crossover duct. 14. Fixture Protection — Batts and Blankets* — 1-1/4 in. thick, cut into pieces to form a five-sided enclosure, rectangular or trapezoidal in cross-section, dependent upon fixture type, approx 1/2 in. longer and wider than the fixture with sufficient depth to provide at least 1-1/4 in. clearance between the fixture and the enclosure. The pieces are held together by 18 SWG tie wire. When non-air-handling or air-return light fixtures are used, a max 3/4 in. separation may be maintained between the long fixture protection side pieces and the top piece. When air supply light fixtures are used, the fixtures shall be fully enclosed except for the nom 28-1/4 sq in. opening needed to accommodate connection to air supply duct. When nom 20 by 60 in. light fixtures are used, the nom 6 ft. flat extension at each end of the fixtures to be covered with 1-1/4 in. thick batt prior to installation of the fixture protection enclosure. When nom 24 by 48 in. light fixtures are used, the fixture protection enclosure may be three-sided, consisting of a 30 by 48 in. top piece and two 6 by 30 in. end pieces. Scrap pieces of steel framing members (Item 16; main runners or cross tees), 10 to 14 in. long, shall be used as spacers on top of light fixture. The spacers shall be located as required to maintain a min 1 in. clearance between the top of the light fixture and the fixture protection top piece. The spacers and top piece are laid in place and the end pieces are held in place by slipping them between the fixture housing and the hanger wire at each corner of the fixture. In addition, the top piece shall be secured to each end piece with 18 SWG galv steel wire threaded through the pieces and twist-tied. The long sides of the top piece are slit to accommodate the cross tee hanger wires on both sides of the fixture. THERMAFIBER INC — Type FR. 14A. Fixture Protection - Luminaires, Luminaire Assemblies and Luminaire Enclosures Classified for Fire Resistance* — (Not Shown) - As an alternate to Item 14, luminaire enclosure kits consisting of pre-cut pieces of faced batts and assembly hardware may be used to form a five-sided rectangular enclosure over recessed light fixture. Luminaire enclosure kit to be installed in accordance with the accompanying installation instructions. When air supply light fixtures with air boots are used, fixtures and air boots shall be fully enclosed except for the opening needed to accommodate connection to air supply duct. SPI LLC — SafeLite® Cookies on UL Solutions We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. Learn more THERMAFIBER INC — FixtureShield 15. Flexible Duct Connector — 6 or 8 in. diam. Any Class 0 or Class I Air Duct Connector bearing the UL Listing Mark. 16. Steel Framing Members* — 5 by 5 ft Grid Modules. A. Main runners nom 12 ft long spaced 5 ft O.C. Dual main runners spaced 2 in. O.C. using spacer clips spaced 5 ft O.C. The spacer clips engage the main runner slots, located in line with the 5 ft long cross tees forming the 5 by 5 ft modules, and are secured in place with wire clips. B. Cross tees nom 2, 4 or 5 ft long. 5 ft cross tees installed (1) perpendicular to main runners to form 5 by 5 ft modules (2) perpendicular to main runners to subdivide each 5 by 5 ft module containing a light fixture into a 2 by 5 ft and a 3 by 5 ft section (3) perpendicular to main runners and parallel to and 2 in. from 5 ft cross tees in the 2 by 5 ft section where 20 by 60 in. light fixtures are to be installed. 2 ft cross tee installed perpendicular to 5 ft cross tees in the 2 by 5 ft section where 20 or 24 by 48 in. light fixture is to be installed. 4 ft cross tees installed perpendicular to 2 ft cross tee and main runner and parallel to and 2 in. from the 5 ft cross tees in the 2 by 5 ft section where 20 by 48 in. light fixture is to be installed. C. Concealed tees nom 3 or 5 ft long, spaced 12 in. O.C., located between non-accessible tile rows. The 5 ft long concealed tees are of two types, designated Cat. Nos. 179 (min 0.032 in. thick) and 195 (min 0.018 in. thick). When the 195 concealed tees are used, hanger wires are required at the midpoint of each concealed tee. D. Downward access tee nom 5 ft long on one side of accessible tile rows for 12 by 12 in. access; on each side of accessible tile rows for 12 by 60 in. and 24 by 60 in. accesses. The downward access tees are of two types, designated Cat. Nos. 149 (min 0.024 in. thick) and 145 (min 0.020 in. thick). When the 145 downward access tees are used, hanger wires are required at the midpoint of each downward access tee. E. Upward access tee nom 3 or 5 ft long on one side of accessible tile rows for 12 by 12 in. access; on each side of accessible tile rows for 12 by 36 in. or 12 by 60 in. access. The upward access tees are of two types, designated Cat. Nos. 185 (min 0.032 in. thick) and 187 (min 0.024 in. thick). When the 187 upward access tees are used, hanger wires are required at the midpoint of each upward access tee. F. Downward access angle nom 1, 2 or 3 ft long. G. Upward access angle nom 1, 2 or 3 ft long. H. Tee splines nom 2 ft long installed perpendicular to downward access angles between tile rows in 24 by 60 in. access. I. Ell shaped splines nom 2 ft long inserted in kerfs of tile between the 2 by 2 ft and 2 by 3 ft sections of 2 by 5 ft downward accesses. J. Flat splines, nom 12 by 3/4 in., inserted between adjacent tiles where they are otherwise unsupported by suspension system. ROXUL USA INC. D/B/A ROCKFON — Types 1250, 1850. 16A. Alternate Steel Framing Members* — 5 by 5 ft Grid Modules. Same as above system except all nom 5 ft long concealed tees, downward access tees, and upward access tees (Items C, D and E above, respectively) supported by 12 SWG hanger wire at the midpoints. ROXUL USA INC. D/B/A ROCKFON — Type 250. 16B. Alternate Steel Framing Members* — 4 by 4 ft Grid Modules. Suspension system using 12 by 12 in. kerfed-edge tile: A. Main runners nom 12 ft long spaced 4 ft OC. B. Cross tees nom 4 ft long installed (1) perpendicular to main runners to form 4 by 4 ft modules (2) perpendicular to main runners to subdivide each 4 by 4 ft module containing a light fixture into two separate 2 by 4 ft sections. C. Concealed tees nom 2 or 4 ft long, spaced 12 in. OC located between non-accessible tile rows. D. Downward access tee nom 4 ft long on one side of accessible tile rows for 12 by 48 in. and 24 by 48 in. accesses. E. Upward access tee nom 2 or 4 ft long on one side of accessible tile rows for 12 by 12 in. access; on each side of accessible tile rows for 12 by 24 in. or 12 by 48 in. accesses. F. Downward access angle nom 1 or 2 ft long. G. Upward access angle nom 1 or 2 ft long. H. Tee splines nom 2 ft long installed perpendicular to downward access angles between tile rows in 24 by 48 in. access. I. L-shaped splines nom 2 ft long inserted in kerfs of tile between 2 by 2 ft sections of 2 by 4 ft downward accesses. J. Flat splines, nom 12 by 3/4 in., inserted between adjacent tiles where they are otherwise unsupported by suspension system. ROXUL USA INC. D/B/A ROCKFON — Types 250, 1250, 1850. Cookies on UL Solutions We use cookies personalize content and ads, provide and our traffic. Wemain also shareperpendicular to Suspension systemto using 12 by 24 in. kerfed-edge tile —toSame as 12 social by 12 in.media systemfeatures except only oneto flatanalyze spline installed between runners information aboutparallel your use our site with our social media, advertising and analytics partners. Learn more cross tees. Tile length with of cross tees. ROXUL USA INC. D/B/A ROCKFON — Types 250, 1250, 1850. 17. Acoustical Material* — Nom 12 by 12 in. and 12 by 24 in. tile. Nom 12 by 12 in. tiles used in 5 by 5 ft grid modules. Tile used in 24 by 60 in. downward access may be either 12 by 12 in. or 12 by 24 in. kerfed-edge tile. Access tiles to be provided with hold-down splines, min 2 in. long, inserted in kerf of free edge prior to placement and slid along kerf to engage adjacent tile kerf after placement. Border panels supported at walls by min 0.020 in. thick (24 gauge) steel channel, 2 in. deep with 1 in. flanges. Wall springs are installed between wall channel and border tile to minimize gaps between tiles. BUILDING PRODUCTS OF CANADA CORP — Type FR-83. See Acoustical Materials (BYIT), Building Products Of Canada Corp., for specific tile details. USG INTERIORS LLC — Type FR-83. See Acoustical Materials (BYIT), USG Interiors LLC, for specific tile details 18. Discrete Products Installed in Air-handling Spaces* — Automatic Balancing Valve/Damper (Not Shown - Optional) — For use with item 9. Valve/Damper to be provided with ducted installation with steel duct per damper manufacturer's instructions. Automatic Balancing Valve/Damper shall be installed within duct such that it is not directly above the ceiling radiation damper. METAL INDUSTRIES INC — Model ABV-4, ABV-5, ABV-6 * Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification (such as Canada), respectively. Last Updated on 2022-02-04 The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufactured under UL Solutions' Follow - Up Service. Only those products bearing the UL Mark should be considered to be Certified and covered under UL Solutions' Follow - Up Service. Always look for the Mark on the product. UL Solutions permits the reproduction of the material contained in Product iQ subject to the following conditions: 1. The Guide Information, Assemblies, Constructions, Designs, Systems, and/or Certifications (files) must be presented in their entirety and in a non-misleading manner, without any manipulation of the data (or drawings). 2. The statement "Reprinted from Product iQ with permission from UL Solutions" must appear adjacent to the extracted material. In addition, the reprinted material must include a copyright notice in the following format: "©2023 UL LLC." Cookies on UL Solutions We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. We also share information about your use of our site with our social media, advertising and analytics partners. Learn more