Stc rated curtain wall. CAD/Revit & Acoustics.
- Stc rated curtain wall This system features a shear block assembly which allows maximum flexibility in installation. Installing insulation within a wall or floor/ceiling cavity will improve the STC rating by about 4-6 dB, which is clearly noticeable. The unique design of the Cam Lift Hinge offers enhanced radial strength, longer lasting performance, and easy maintenance. 0 lb per cubic foot, Fiberglass Batting with Quilted Vinyl Front. BBC-13-2. Sound Solutions for Glass Buildings mullitoverproducts. These single-number ratings correlate in a general way with subjective impressions of sound transmission for speech, radio, television, and similar sources of noise in offices and buildings. 85; Improve your acoustics with our sound absorbing curtains that control echo and reverb. Easy to open and close. The walls have been tested up to a noise reduction up to a level of Rw=60dB equivalent to STC rating of 60. Our curtains are made of a material that blocks out light ensuring privacy. Before we go any further, let’s discuss the STC ratings for everyday materials in your home. Rough rule of thumb is that the sound is cut in half for every 10 point increase in the STC rating. Since the scale starts at 125 Hz instead of 0 Hz, it can be difficult to gauge how well the curtain will reduce sound for lower frequency noises. Mar 21, 2024 · A wider gap provides better sound insulation by minimizing direct sound transmission. At Kawneer, we continue to innovate and are committed to providing quality products that meet project needs for acoustic performance. Sound Transmission Class (STC) is a measure for rating the performance of a wall system as a barrier to airborne sound transmission between adjacent closed spaces such as offices. 5. 5 pounds per square foot mass loaded barrier (the heaviest standard in the industry) sandwiched around 18 oz coated vinyl to provide a high STC 30 rating. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. Revit PDF. Apr 9, 2019 · A higher STC rating indicates a higher level of isolation. Different types of seals Additional Information: Industrial Sound Dampening Curtains with a Compact, Folding Design. Single Number Ratings –STC Intent: a single number rating to compare isolation of different assemblies. This is achieved by using 5/8″ drywall and resilient channel. Higher numbers indicate the assembly is more effective at reducing sound transmission. Learn More An STC of 57 is considered an excellent rating as loud voices can only be faintly be heard, if heard at all and conversations cannot be understood. STC is the wall equivalent of CAC. 70; Data Sheet. Resilient Channels are best used to decouple walls in rooms where sound control is most desirable – sound studios, media rooms, or where privacy is desired. Laws and building and safety codes governing the design and use of Kawneer products, such as glazed entrance, window, and curtain wall products, vary widely. This is a significant increase in sound improvement with a nearly 50% reduction in perceptible noise levels. Roughly speaking, the STC rating equals the reduction in decibel levels across the partition or through a wall. A resilient channel is a specialized construction component used to improve sound insulation in walls and ceilings. Email: info@commercial-acoustics. YCU 750 TU (Project Center Only) A thermally broken, dry glazed, unitized curtain wall system designed for maximum design flexibility. Our Acoustic Curtains are used for home theater to professional use. Pros. The system also provides some of these great features: It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. This mullion cap is compatible with most curtain wall systems with standard demising wall construction making it the standard wall termination detail for buildings with store front, curtain wall or ribbon window facades. Acoustically tested with ratings from STC-45 to STC-60 to insulate recording studio control rooms. Featured Series: Curtain Wall - Ti Beam. May 22, 2022 · Heavy curtains are often STC rated between 25 and 33, which is similar to single and inexpensive double and triple glazed models common in many subdivisions. The face fabrics used to construct the curtains have little impact on sound blocking. 2 dB* on frequency spectrums less impacted by glass (ex: Urban traffic). Acoustic standards, guidelines and building rating systems occasionally permit an STC rating as low as 40. STC ratings are the ONLY way to accurately compare various noise reduction products. For windows, STC ratings range from 18 to 38. STC ratings are used for windows, doors, walls and most building materials. We created a diagram (shown below) displaying STC ratings based on corresponding room types. Mineral Fiber Wall Boards Mineral Fiber Wall Boards. 85: 13X-2LB-2" •2" thick vinyl coated cloth faced fiberglass •2 LB. 5 mm) for 1" (25. Once speech levels rise, phrases and sentences can be understood in adjacent rooms and will likely disrupt people. T200 STC Series (Thermal) 34-38 STC 28-31 OITC STC rating 55 as well as FBC System Compatible- indicates that product has been tested, and is monitored on an ongoing basis to assure chemical compatibility with FlowGuard Gold, BlazeMaster and Corzan pipe and fittings. In addition, our proprietary curtain lining provides blackout and thermal regulation. construction team and the design team to take this into account for higher STC ratings. 5, while the industrial curtain wall with double barrier technology boasts an STC rating of 47. Understanding STC Ratings for Drywall. Requiring only an overhead track for support, these compact panels are designed to recess into a side wall pocket, conveniently storing them out of sight and out of mind, for full use of your building space. May 22, 2022 · STC Rating: The STC is based on the construction method and materials used with the Resilient Channels. Stylish. Feb 9, 2024 · Unlike standard soundproof curtains, our Quiet Quilt Soundproof Blankets have been tested for noise reduction and sound transmission and are both NRC and STC rated. Products. Roughly speaking, the STC rating equals the reduction in decibel levels across the partition. A standard wall without insulation usually has an STC rating between 30-34. Cinder Block walls have an average STC of upper 40’s to low 50’s. 9 test for at least one week. QuietJoint features a mass-loaded fire-resistant foam core coated with a high-grade silicone. The sum of the deficiencies below the contour curve may not exceed 32. Patent No. Sound Shield Fold-A-Way is manufactured with a heavy-duty 1. Lower Range Up to STC 35. That being said, anything below an STC rating of 40 might garner comments about paper thin walls. 3) deep with a 2″ (50. com Specifications and Options STC 55 Options STC 60 Options Custom finishes are available to match curtain wall finishes. STC 15 and STC 17 Quiet Curtains reduce noise by up to 17 decibels!STC 15 and 17 Quiet Curtains are especially designed for where fire certification, light weight and multiple curtain constructions are required such as schools, hotels, and other public venues. STC Rating To obtain the Sound Transmission Class (STC), read the TL of the contour curve at 500 Hz. Our curtains can be used to block noise or improve acoustics. The higher the STC rating of a door or wall, the less sound will move through to the other side. 05 • Class A flammability rating (per ASTM E-84) “BSC” STYLE (BARRIER SEPTUM COMBINATION): Provided in their Guidelines for Design and Construction of Hospitals and Outpatient Facilities, 2014, FGI provides the minimum sound ratings for different spaces. Pros The cooling, impact and erosion created by the hose stream tests the integrity of the glass. A thicker acoustical enclosure wall. The curtain have an easy glide track that can easily be opened by one person. Considering that uninsulated interior walls are rated at 33 on the STC scale, a heavy curtain can only improve the sound quality in your home or office. FGI lists STC ratings for numerous room-to-room adjacencies. Below are the STC ratings of various wall assemblies, each presented to help illustrate concepts, improvements and rules of thumb. Control reverberation and echo Aug 27, 2024 · Fire-rated wall assemblies are specifically engineered to slow down the spread of fire within a building. Cam Lift Hinges come in standard or electrified models. Dec 18, 2023 · Above is a lighter, cheaper and more easily assembled wall with a STC of 50. Jun 12, 2024 · No NRC or STC rating available; may not be as effective as other soundproofing materials; These soundproof and blackout curtains from Nicetown feature two layers of thick, triple-weave polyester The Thermafiber® Steel-Framed Curtain Wall Perimeter Fire Containment System, CW-S-1016, will serve any typical building situation with an F-rating of up to two hours. System depth: 7-1/2" (190. Classic Sound Barrier Mullion Trim Cap With a low profile 7/8” return leg, this mullion cap delivers high performance in a compact size. com. Sight line: 2 -1/2" (63. The STC ratings allow accurate 'apple to apple' comparisons. Mobile menu. As a global leader in curtain wall system manufacturing, Kawneer engineers a comprehensive range of curtain wall systems available in traditional stick fabrication and unitized options. Find out more here. They can improve a wall rating from 33 upwards of 60 or higher. Our STC Sound Blocking curtains work due their inner linings. Oct 21, 2013 · How effectively a wall or floor reduces airborne sound is measured by STC ratings (sound transmission class). Nov 4, 2016 · By comparing exterior noise levels with interior requirements, and considering background noise levels, a project’s required level of window or curtain wall acoustic performance can be inferred either in specific frequency bands or by using one of the single-number rating systems described in this article. With a low profile 7/8” return leg, this mullion cap delivers high performance in a compact size. The Oct 14, 2014 · In comparison, an average baseline curtain wall has been measured to have an STC rating of 26 and an OITC of 31. Address: 6301 N Florida Ave Tampa, FL 33604 Phone: 888-815-9691. These linings are specialized, proprietary vinyl’s made exclusively for Quiet Curtains. If your noise source is at a 1000 Hertz, the STC rating is 40. Kawneer provides a variety of architectural aluminum systems with acoustic performance, complete with STC and OITC ratings, from storefront framing and entrances to windows, curtain wall and window wall systems. Oct 3, 2021 · ° Installed against the window mullion = 35 STC ° Installed against the window = 37 STC • Series 40 - Composite STC: ° Installed against the window mullion = 38 STC ° Installed against the window = 56 STC • 1" up to 14"Series 60 - Composite STC: ° Installed on each side of window mullion at window against glass = 60 STC Mar 29, 2018 · This chart on Wikipedia offers a comparison of STC ratings for different types of wall treatments, including no treatment. Architects can replace entire walls with glass to open up buildings like never before. 1″ Thick, 1. [3] The STC provides a standardized way to compare products such as doors and windows made by competing manufacturers. The curtains go up to the track to prevent noise leakage. However, it is important to not solely rely on the STC rating. reinforced loaded vinyl noise barrier •STC rating: 37 •NRC rating: . Remember that lighter-gauge metal studs (25 gauge) improve STC performance by 4-7 points over thicker gauges. This is true for any sound barrier blanket system found anywhere. The higher the STC rating, the better sound isolation the wall will achieve. Easy to Install: The curtain is easy to install, with simple hardware and hanging options. STC Rated Wall Assemblies. It is the only partition gap closure that can accommodate lateral movements caused by SEISMIC, THERMAL and WIND SWAY, while providing high acoustical value up-to 62 STC. High performance – both STC & NRC ratings; Class A fire rated per ASTM E84; No fiberglass – non-fibrous; Water-resistant indoor; Non-abrasive surface; Indoor/outdoor usage; Tackable surface We can also make STC 20 Quiet Curtains using fabric you provide. Jun 16, 2023 · Unitized Curtain Wall System; Building Envelope; Doors and Hardware; If you can clearly hear them talking, expect your glass wall to have an STC rating of about 25. STC Ratings for Everyday Materials. Outside-glazed pressure plate format . com May 19, 2023 · Sound Transmission Class (STC) ratings show how well a wall assembly diminishes airborne sound traveling from one room to another. Walls. PROJECT Interface Warehouse. Limitations: See full list on commercial-acoustics. •STC rating: 32 •NRC rating: . . Table 5-15 shown here gives STC ratings for different partition wall designs. 1600 Wall System®1 Curtain Wall ribbon curtain wall blast mitigation: a. 00 NRC to provide precise acoustical control and flexibility. Example: A metal stud wall with ½ in. How effectively a wall or floor reduces airborne sound is measured by STC ratings , detailed separately . , the hose stream test is required for all fire ratings over 45 minutes (all fire ratings require it in Canada). STC* (ASTM E90 & E413) OITC* (ASTM E90 & E413) STRUCTURAL LOAD (ASTM E330) SYSTEM 5600 2-1/4” CURTAIN WALL • Thermal isolator used between exterior and interior extrusions • Various mullion depths and widths avail-able • Roll-on horizontals • Wide variety of snap-on face covers • Optional corner mullions • Screw spline construction 1600 Wall System®1 Curtain Wall blast mi tigation: a. Block 60% of outside noise with our lab tested sound blocking curtains or Quiet Curtains. The maximum deficiency at any one frequency may not exceed 8. An STC rating is an instrument measurement of how much noise is stopped. thick drywall has an STC of 34. The P-55 curtain wall frame reduces sound transmission by up to 11. Hurricane and impact resistant, the 1600 Wall System®1 can be used independently or integrated with 1600 Wall System®2 Curtain Wall for enhanced visual impact. 85: EXT-N •1" thick vinyl coated polyester quilted fiberglass absorber-exterior grade •1 LB. Feb 27, 2018 · Use 25 gauge studs to improve the STC of your wall. Zenith movable walls are ideal for areas with limited space, like offices and classrooms. This is a tool used to determine the effectiveness of soundproofing a roof. Curtainwall and Window Wall SuperWallTM, HP-Wall and INvisionTM Product Families Double IGUs SuperWall Captured Glazing 2 80 x 80 1/4 1/2 1/4 31 26 INvision Unitized Captured Glazing 2 80 x 80 1/4 1/2 1/4 32 26 37 INvision Unitized Structural Glazing 2 80 x 80 1/4 1/2 1/4 32 26 SuperWall Captured Glazing 2 80 x 80 1/4 7/16 7/16 Lami SERIES GLASS SIZE STC OITC GLASS MAKE UP (Outboard) (A" Space) (Inboard) -200 STC Projected 1-1/2" 43 32 1 1/8 40 32 1-1/2" 41 33 T237 STC Projected 1-1/2"Wann Edge 43 34 34 28 T200 STC Projected 1" 36 30 38 31 CV200 STC Projected 1" 34 27 52 STC Hung 1" 37 30 n STC Fixed 1/2" taminated 52 -80 STC Slide< 1"1arnilated 39 - The 5600PG is a versatile curtain wall system (6", 7 1/2", & 10") that can be provided in stock lengths, Pre-glaze capability for customers and Factory fabricated/assembled & glazed. For example, the minimum required STC C between patient rooms on the same floor is 45; however, the minimum between an operating room and an MRI scanner room is 60 to minimize sound transmission from loud equipment. non-reinforced loaded vinyl noise barrier •STC rating: 27 •NRC The Thermiser Max® Insulated Rolling Door offers one of the highest-rated doors with an STC rating of 30, according to ASTM E90. Mid Range STC 36 - 42. Available as a temperature rise door with Pilkington Pyrostop® fire-resistive-rated glass for 60-90 minute applications Our impact curtain walls feature laminated or insulated laminated glass in an assortment of appealing tints and finishes. Several options and upgrades to eliminate this noise include adding a layer of drywall, filling gaps with acoustic sealant, and upgrading doors. Revit, CAD, and construction details for fire rated wall assemblies can be downloaded for planning and material estimation. It is cheaper than 16-gauge or 20-gauge, and adds 4-7 STC points to the wall. The STC or sound transmission class is a single number method of rating how well wall partitions reduce sound transmission. Mar 30, 2023 · Also, an acceptable STC rating for walls may be different from the acceptable STC rating for floors, depending on whether the walls are shared by a neighbor, or a room is directly beneath a kitchen with heavy traffic. All curtains are high quality beautiful window treatments. Cassette SSG Clad Wall 7-1/4″ Cassette SSG Clad Wall 10-5/16″ Curtain Wall - Facet. 4 mm) insulating glazing . Do buildings with curtain wall facades meet minimum STC requirements of the International Building Built on an aluminum chassis based on Flynn’s 6450 unitized curtain wall system, Speedwall modules are completely self-framed, sealed, and insulated in Flynn’s manufacturing facility, with all windows, doors, and exterior cladding pre-installed. Used as modular curtains in enclosures. Our recording studio doors & windows are manufactured and acoustically tested to meet your music studio/control room performance needs. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. Consult listed ˛re references for speci˛c gypsum board type and brand to obtain listed performance. They serve as a barrier containing the fire within a specific area, preventing it from Feb 19, 2024 · For commercial-grade STC ratings, you could aim as high as 60, which is more than enough to reduce the sound in a firing range. Phone: 888-815-9691. But that’s an overall average. CAD/Revit & Acoustics. at SOUND TRANSMISSION CLASS RATINGS. This rating can be a little misleading because of the scale range. • Standard double-pane glass = STC-32 • Thick laminated glass = STC-39 • Limits the allowable glazed areas • For B, C or D, determine exterior noise using ANSI/ASA S12. Cloud Window designs and manufactures a complete line of aluminum windows, sliding glass doors, terrace doors, acoustically rated curtain wall, and storefront systems for commercial buildings The Reliance ™ StormMax ® curtain wall system was designed to accommodate 1-5/16″ insulating laminated glazing. In a lab setting, the QBS-1 Blankets will test at an STC value of 29. In most cases the higher the STC rating, the better. Address: 6301 N Florida Ave Tampa, FL 33604 for locations with wide dimension walls or offset wall construction. Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. Mullion Mate ® Partition Gap Closures create a seamless transition between curtain walls, windows and partition walls. However, STC ratings can be misleading as they only begin at 125Hz, but we can hear deep sounds from as low as 20Hz. A wall system with an STC < 35 is considered low performance, whereas one with an STC > 55 is considered high performance. Nov 4, 2016 · When needed for project specifications, this TL curve is usually converted to a single-number rating, either STC or OITC. Kawneer does not control the selection of product configurations, operating hardware, or glazing materials, and assumes no responsibility therefor. In the U. The laminated safety glass also prevents people from walking or falling through the glass wall. STC rating 27 | NRC rating . STC rating 32 | NRC rating . Outside-glazed pressure plate format Nov 4, 2016 · By comparing exterior noise levels with interior requirements, and considering background noise levels, a project’s required level of window or curtain wall acoustic performance can be inferred either in specific frequency bands or by using one of the single-number rating systems described in this article. Curtain Wall - Cassette. 8,572,914 Jul 15, 2024 · It comes in colors, is versatile, and ideally suited as a closure for gaps between the ends of permanent, semi-permanent, or movable partitions, window-wall, curtain-wall, head-of-wall and other conditions. It involves fitting a pre-defined standard contour curve to The cleanable acoustical sound panels can be applied directly on wall and ceiling surfaces for attractive and effective sound control. The STC rating is derived by measuring the transmission loss in dB at certain frequencies and comparing it to a known STC curve. (see Table 5-15). 5 in. The Zenith features Skyfold’s widest range of STC (RW) ratings to suit your acoustic needs. Sealing Mechanisms: The effectiveness of seals and gaskets used in glass wall systems is crucial for achieving optimal STC. High Range STC 43 - 45. Classic Sound Barrier Mullion Trim Cap. What’s not on this chart: comparisons for using other types of drywall (like QuietRock ), or more efficient types of insulation (like cellulose or rock wool ), or layering Green Glue between a second layer of drywall Jan 10, 2025 · Precast walls will usually come with an STC rating to save you the trouble of how determining the STC rating of a wall yourself. In addition to minimizing sound transmission, these doors provide superior energy efficiency and enhanced protection from intrusion. Understanding STC Find and download resources for STC rated wall assemblies for your construction project. T500-Facet Series 5 1/2″ T500-Facet Series 9 7/8″ T500-Facet Series 13 1/4″ Curtain Wall - PDX500. It’s an integer rating that tells us to what degree a building partition (such as a wall or ceiling) reduces the force of airborne sound. Custom profile and design assistance available. STC Standards For reference, most building codes throughout the US require an exterior wall to have an STC rating of 50, standard house walls and wooden doors have an STC rating of 33, windows range from 18 to 38, ile wh Sound absorptive material can be installed inside of a partition's air space to further increase its STC rating. c. The higher the STC rating, the higher level of isolation. Class A (or 1) Flammability Rated per ASTM E84 Acoustic Curtain Wall Improved sound reduction - STC rating of 30 or greater Various mullion depths available Design flexibility Accommodates up to 1" glazing Expands design and energy savings option Anodized and painted finishes available Unlimited options to answer economic and aesthetic concerns The 1600 Wall System®1 Curtain Wall is ideal for low- to mid-rise applications. Stick-build curtain wall systems are assembled and glazed in the field with For simplification, we have segmented NanaWall sound-rated opening glass wall solutions into three categories. As a comparison, a single layer of 1/2″ drywall on each side, wood studs, no insulation (typical interior wall) has an STC rating of about 33- comparable to System 5600 Curtain Wall boasts an STC rating of 30+ for superior sound reduction, a thermal isolator to improve thermal performance, a variety of mullion depths to ensure design flexibility, shear block construction for efficient on-site build, and integral door adaptors. The STC (Sound Transmission Class) rating of a wall, floor, door, window, barrier, or partition identifies how well those materials reduce or prevent soundwaves from penetrating another space. In sum, STC tells you how much a ceiling or wall might stop sound. [Click to enlarge any image] Definition of STC, Definition of SRI , Definition of OITC WHAT IS STC? STC stands for Sound Transmission Class. Unfinished Backing. Company Profile Technical Information Curtain Wall Cross-Sections Skylight System Curtain Wall Top Hung IRCCOS S. T350 Span Wall Series; Curtain curtain enclosures • Suitable for outdoor applications • Custom fabricated for “acoustical jackets” on blowers, fans or compressor housings • Also available in bound or unbound rolls • STC ratings up to 37, NRC ratings up to 1. The acoustic insulated curtain with single block technology has an STC rating of 34. Column 1. Arcadia Inc. The estimated ratings are based on laboratory test results from various compendiums of STC ratings. Understanding STC ratings for drywall can be complex. These sound-absorbing partitions have been independently tested to meet a STC Rating of 45 per ASTM E90 standards. Custom profiles available. –Weigh at least 50% less than masonry walls, allowing faster, easier installation For more information see the following brochures: Area Separation Wall Systems Area Separation Wall Submittal Sheet SA925 WB2129 SHEETROCK Shaft Wall Systems –Tested systems achieve up to 58 STC Acoustic Curtain Wall Improved sound reduction - STC rating of 30 or greater Thermal isolator used between exterior and interior extrusions Improved thermal performance Various mullion depths and widths available Provides design flexibility Wide variety of snap-on face covers Customize projects with face covers of various depths and profiles Curtain wall systems are non-structural systems for the external walls of buildings. We produce products with Sound Transmission Class (STC) ratings as high as 60 and Outdoor Indoor Transmission Class (OITC) ratings up to 49. Fire Rating: 2 hours: System STC: 56 System Thickness: 8. 8) sightline; Front, center, back or multi-plane glass applications May 22, 2022 · Age, illness, and loud noises can reduce that over time. Keep the calm in with our affordable curtains and drapes. Designed to perform for the long term, they incorporate precise profile, superb operating hardware, and the best finishes available to the architectural product marketplace. Our curtains have tested NRC values up to 1. We have several fabric choices and swatches to compliment any room. World-Class Window Walling Services and Solutions. All of this and our 2-Hr Fire Rating. 5 mm) b. Acoustic Laws and building and safety codes governing the design and use of Kawneer products, such as glazed entrance, window, and curtain wall products, vary widely. Best uses. Improves STC (Sound Transmission Class) by up to 2 STC* in comparison with a traditional curtain wall. Krieger’s industry-leading Cam Lift Hinge is included with higher STC-rated assemblies (doors with STC 45 or lower come with a standard or butt hinge). The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. S. They’re durable enough for indoor and outdoor use, whether you need a short-term solution or a semi-permanent one, and they’re easy to take down for maintenance or reconfiguration. Jun 4, 2022 · Curtain Wall Selection Guide Product w/ Description YCW 750 SplineTech® A thermally improved pressure glazed wall system that offers screw spline assembly that reduces fabrication and field labor. DISCLAMER: The type of gypsum board mentioned in the construction description re˚ects the type of board used in the acoustic test reports. PRODUCT wall – SYSTEMS CLIP-IN 1739™, door – SYSTEMS SILENCE DOOR 1739™ No caulking required Dec 14, 2022 · The addition of Mull-It-Over sound barrier mullion trim caps increases the STC rating of the wall/mullion assembly from STC 28 to STC 60 and has UL tested 1 hour fire rated or 2 hour fire rated options. A single component penetration sealant system - no mixing or required additives needed. YCW 750 XT Dec 22, 2022 · Glass walls comprising 50 STC-rated materials can drop into the mid-30s via acoustic flanking—even through the smallest cracks. If you don’t see the STC Rated Wall Assembly you need below, contact one of our acoustical engineers with the desired SCC-8 - Sound Shield. Below please find STC rated wall assemblies based on our acoustic lab tests and INSUL models. For example, SuperLite II-XL in GPX Framing by SAFTI FIRST ® is a USA-made fire resistive transparent wall system that blocks radiant heat and meets the same stringent ASTM E-119/ UL 263/ NFPA 251 code requirements that any opaque fire rated wall must meet. Lab tests are performed at NVLAP-certified laboratories in accordance with ASTM E90 and ASTM E492. Visit UL Hurricane impact tested on shutter application only; 4-1/2″ (114. Curtain Wall. * tested by an independent lab Acoustic Curtain Wall Improved sound reduction - STC rating of 30 or greater Thermal isolator used between exterior and interior extrusions Improved thermal performance Roll-on horizontals Concealed fasteners, reduced installation labor Various mullion depths available Design flexibility Optional corner mullions The fully automated operable wall combines functionality with aesthetic appeal to help you create a unique space. Flexible and non-slump formula. St. For construction and retrofitting projects involving impact-rated window walls, trust in the experience and expertise of Phoenix Aluminum Products. L Certificate Accessories List Acoustic Curtain Wall Improved sound reduction - STC rating of 30 or greater Thermal isolator used between exterior and interior extrusions Improved thermal performance Various mullion depths and widths available Provides design flexibility Roll-on horizontals Concealed fasteners, reduced installation labor Wide variety of snap-on face covers A sound blocking level of STC 40 can provide privacy between rooms if the speech level is no louder than general conversation. But if your noise source is at 125 Hertz, the STC rating is 12. Top Ways to Increase Wall STC: elements of buildings, the fire-resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance-rated walls, ceiling and floor assemblies. Request to view detailed reports . PDX500-OPG2900XT (Thermal) PDX500-OPG23011XT (Thermal) Curtain Wall - Span Wall. Sound transmission class Originally developed for interior wall partitions, the STC rating is determined per ASTM E413, Classification for Rating Sound Insulation. R. rvvnq ktg ojp jlcbwic rxeyh fbgah opfjh ivtba upwan jhunke bviql ungodgl totv xlqfrild vqfoyzdv