Stc glass rating chart. Glass 2 4-3/4" (120.

Stc glass rating chart Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. STC. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Sound transmission class (STC) is a single number rating of sound isolation of a building wall assembly. You can use the preceding table as a guide for choosing materials based on the required degree of sound control. Even then, differences of 1-2 points STC can occur for the same assembly in the same laboratory. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. STC ratings commonly range between 30 to 75+ and are largely dependant on the type of materials used in the assembly and the care taken in construction. Understanding STC ratings for drywall can be complex. –Veneer plaster partitions achieve up to 63 STC in steel-framed resilient systems and up to 52 STC in wood-framed resilient systems –Have achieved 1- to 4-hr. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. Mar 5, 2021 · STC stands for sound transmission classification. The higher the STC rating, the better the sound isolation. Our retrofit framing allows us to install the ArmorPlast® into your existing framing to significantly reduce costs and downtime. What Is a Good STC Rating? An excellent rating is an STC of 60 or higher. When planning glass wall systems, here’s a Sound transmission class (STC) ratings solve that problem by giving a single value to acoustical performance for a door. three different glass configurations. Specific products for these building materials will vary, so talk to the manufacturer to get the exact STC rating before purchasing. 17. Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. May 22, 2022 · Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 1. Increasing glass thickness is the most important measurement. Laboratory testing is used to measure the resistance of partitions such as walls, windows, or entry doors to the passage of sound. STC is determined by a weighted average of TL values taken over 16 frequencies, which are fitted to a curve in a method defined by the ASTM E413 Classification Standard for Rating Sound Insulation. Lab Proven STC Ratings winds. com. Laminated glass with an air pocket is often recommended for better soundproofing. How to Increase Window STC Rating. Refers to a window manufactured by Soundproof Windows, Inc. Laminated & Double-Glaze Combinations. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. What Is a Good STC Rating for Windows? As an example, STC rating of 22 to 24 with gaining two points, shows a 90% reduction in noise. 030" PVB A rating of 40 would likewise correlate with a volume reduction to approximately 1/16th of the original level (1/2)^4 = 1/16). 24 Page 1 of 7 than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. fire-resistance ratings for veneer and conventional systems –Can minimize or eliminate irregularities such as ridging, boarding and nail pops associated with standard drywall Feb 18, 2022 · STC Rating of Fiberglass vs Rockwool (Which one insulates the best) Note: Here I will be going over which type of insulation material works best when put inside a typical interior wall with ½” of drywall on either side, which has an STC rating of 34 on its own, and how it increases this rating. Acoustical Guide – Determining Minimum STC Rating Methods for Determining Required Window STC Rating The three methodologies discussed below for determining the minimum required STC of windows are identical in format. Variations could affect the STC rating of the opening STC 30 if you live in an average area but want more privacy, STC 35 is the go to in louder areas, STC 37 if in a louder area and you want a luxury feel or you are pretty close to the airport or overlooking the freeway, STC 40+ is either you live in an area that is obnoxiously loud (seldom the case for single family housing) or you don't want to . That being said, anything below an STC rating of 40 might garner comments about paper thin walls. A higher STC rating translates into more reduction in sound. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. Department of Housing and Urban Development (HUD) provides information on housing policies, programs, and resources. Argon fill is 90% and air fill is 100%. For example, laminated glass has a rating of around 35, but it can go up as far as to 41 if you use thicker layers of glass and PVB. Glass thickness. Adding additional layers of drywall can improve the STC rating of an assembly. In the fi eld, fl anking noise, quality of material and construction practices can lead to widely varied STC’s for the same assembly. 3 software and represents center of glass performance data. Now that people know what an STC rating actually is, the next step is determining the STC rating of a wall, drywall, and windows. Typically a two (2) or more point change Oct 18, 2023 · How to Read an OITC Rating Chart. Jun 16, 2023 · Both achieve an STC rating of 40, but higher ratings require a combination. [3] The STC provides a standardized way to compare products such as doors and windows made by competing manufacturers. 6. 030" PVB, 1/8" glass, 1/2" airspace, 1/8" glass, . Fortunately, there are some tools we can use when we choosing the suitable glass types we need. 1/8" 35 35 STC ratings are used for windows, doors, walls and most building materials. Resilient channel can improve the STC rating of an assembly. Sound Transmission Class Sound Transmission Class (STC) is a single-number rating system that assigns a value to a product to indicate how well that product insulates against unwanted noise Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. The attached STC and OITC data is for glass only and that the final STC rating of the window assembly could vary because of the influence of the acoustical performance of the framing members and the construction of the window assembly. Learn why STC ratings matter for soundproofing. Understanding STC Ratings for Drywall. STC Capability Chart. In the USA, it is widely used to rate interior partitions, ceilings and floors, doors, windows and exterior wall configurations (see ASTM International Classification E413 and E90). Actual values may vary due to production tolerances. Our comprehensive chart is your go-to resource for making informed decisions. A wider gap provides better sound insulation by minimizing direct sound transmission. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing Feb 19, 2024 · Explore the STC rating chart for walls, glass, windows, doors, and materials. 3mm thick monolithic glass, glass STC is only 30Dbs,when glass thickness was increased to 12mm thick,glass STC can reach 36Dbs,whether it’s single piece monolithic glass,laminated glass,or insulated glass,the thicker total glass thickness,the better sound transmission loss. A leader in tools for the glass industry. Lower Range Up to STC 35. 751 614 -426. It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. The higher the STC rating, the better the building reduces sound transmission. Typically the material with the lowest resistance to the passage of sound has the greatest impact on a partition's STC value. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Quite simply, the higher the rating, the better the product. 50003 659. This is different from the rating of that same glass once included into a window frame. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically requires a combination of the two. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing Laminated architectural glass can be fabricated using various glass types, including low-e, clear, low-iron, tinted, reflective, patterned or wired glass to achieve desired aesthetics or to improve solar control and thermal performance. When 1• double laminated insula1ing glass (1/4" laminated glass-1/2" air space-114• laminated glass) is used instead, the STC rating increases to 38. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Laminating glass is a popular way to increase an STC rating. This rating is given to materials that are tested over a range of frequencies, and are proven to block sound in some capacity. V. The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to Triple Insulating Glass Construction STC OITC STC ratings are determined in a laboratory under controlled conditions. *OITC is estimated based on this test. Understanding STC • SL45 with STC 40 laminated glass has an STC of 36. It’s important also to consider: Glass thickness: thicker glass typically provides better sound insulation than does thinner glass Dec 22, 2022 · Double-glazed glass can also provide an STC rating of up to 40. Of course, the higher the STC rating, the better. Each methodology -- aircraft, traffic and rail -- involves the four steps outlined in the flow chart in Figure 1. In the US, it is widely used to rate interior partitions, such as demountable walls and/or glass walls, ceilings/floors, doors, windows and exterior wall configurations. E413-87 in an acoustical wall. See additional notes below data for specific Jan 11, 2025 · The result is sound control over a greater range of frequencies and a significantly higher Sound Transmission Class (STC) rating than a window with standard dual-pane glass. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. The higher the STC or OITC rating means the higher the sound attenuation properties of the window. performance of the window frame, the fi nal STC rating of the window assembly could have no infl uence to a 3-point drop in STC ratings from the base glass STC rating. Pim Foam or Dura**** 3/32 3/32 - 28 23 4/19/99 TL99-145 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. While STC and OITC ratings are published for various glass configurations, accurate ratings for the This rating is especially important to architects since it can have the largest impact on building performance. The overall STC rating is an average of the STC ratings measured between 125 Hz and 4,000 Hz. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 glass constructions only. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. A higher sound transmission class rating indicates more effective sound insulation than a lower number. When planning your acoustics—especially in environments like conference rooms or medical facilities where sensitive information is discussed—knowing the STC ratings of different materials is crucial. STC Rating Chart. FSC* 1/4" laminated glass & wood stops . 800-782-5742 Talk to an expert! 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. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. Fire Rating . If thicker glass material is used, the rating can go up to 35. 1. 24 mm) 1/8" 0. Nov 7, 2016 · Looking at the chart above, once a wall gets to an STC of 45, loud speech is audible but not understandable. Factors That Affect Your Glass STC Rating. This rating can be considered the baseline from where you are getting serious when it comes to preventing some transmission. For simplification, we have segmented NanaWall sound-rated opening glass wall solutions into three categories. … Window STC Rating Chart. The STC rating system looks at the amount of noise mitigation provided by the assembly over a broad range of frequencies and a single number is calculated as its rating. WE STAND BEHIND OUR GLASS WinGuard® Aluminum products are backed by some of the best warranties in the industry, including: • A 10-year warranty on the frame and laminated glass unit • Limited lifetime warranty on the insulating glass unit When deciding what STC rating you should specify; use the following chart to in light your decision: STC: 1/4" plate glass: 32: 1/2" plate glass: 38: Discusses the acoustical properties of glass, methods of rating, such as STC and OITC, applicable standards and the relationship between glass and other glazing components in determining an overall rating. Both STC and OITC ratings inform your window or door selection based on sound insulation Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Trinsic I V300 updated 04. Consider not only the STC rating but also door quality and construction. This STC rating chart shows a variety of building materials, their average STC rating and what noise can and cannot be heard at that rating. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. As the table shows, a single pane 1/4” annealed curtain wall window has a STC rating of only 31 and an OITC rating of 28. The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. Typical dual glazed windows can achieve better ratings of 25-27. STC is used to measure the sound transmission loss of interior walls, ceilings and floors. Jul 31, 2022 · Glass doors can range from 28 to 60+ STC ratings, while steel and fiberglass doors range from 20 to 50. The STC ratings allow accurate 'apple to apple' comparisons. A rating increase from 24 to 33 corresponds to a 95% of noise reduction. What does an STC rating of 45 mean? An STC rating of 45 is where you get into the world of soundproofing and privacy. A higher sound transmission class rating indicates more effective sound insulation than a lower rating. 03. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide. Class (STC) rating. Factors that affect glass STC. 22. An STC rating is an instrument measurement of how much noise is stopped. On the The STC or sound transmission class is a single number method of rating how well wall partitions reduce sound transmission. VT Door Types . The gap between lites also provides acoustic insulation, to improve STC ratings. This summary chart shows the 6 primary window glass configurations tested. Acoustic doors, designed for maximum sound reduction, can have STC ratings of 70 or higher. Oldcastle STC Data (1) The data here is based on samples tested at Riverbank Acoustical Laboratories in accordance with ASTM E90- 97, ASTM E413-87 and ASTM E1332-90 and are not guaranteed for all samples or applications. 70 60 --STC38 Jan 28, 2024 · The average STC rating for a regular single pane window is 27. -114• glass) with an STC rating of 34. It includes STC ratings for commonly used materials such as: Phone: 888-815-9691. • SL60 with STC 38 laminated glass provides an overall STC of 36. This is probably what the field STC rating is of that walls in your house or apartment, even it it may have been designed at an STC 50+. AGC Glass Configurator Single & Laminated Glass Data. To determine the specific STC ratings of glass and a Oct 10, 2024 · STC RATING CHART: STC: What can be heard at this level: 25: Soft speech can heard and understood: 30: Normal speech can heard and understood: 35: Loud speech can heard and understood: 40: Loud speech can heard, but not understood: 45: The threshold at which privacy begins: 50: Loud sound can be heard, but are very faint: 60+ At this level, good Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. Double-glazed glass can also achieve an STC rating of up to 40. After a 1/4” Thermolite sound control window was placed behind the same window, the STC rating improved to 43 and the OITC rating improved to 33. 4. The tested STC ratings were less than the manufacturer's published STC ratings. Costing more than other materials, this is used mainly for exterior applications. These independent tests confirm that Falkbuilt delivers superior acoustic performance. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. To determine the specifi c STC ratings of glass and a window or door assembly, the following ASTM standards should be used: • ASTM E 90 - 90 Standard Test Method for STC Rating STC Rating Static Door Operable Door Perimeter Seals Door Bottom Threshold Panel w/ Gasketing 30 30 103N, 107N, 120N, 122N 420N 897NS 127N, 133N, 134N, 137N 137S, 303N, 700N, 700S 30 30 130S 225S 896S May 6, 2020 · As a result it is not recommended for glass selection of exterior wall applications since the single-number rating was achieved under a specific set of laboratory conditions. Sound Transmission Class (STC ) is an integer rating of how well a building partition attenuates airborne sound. May 18, 2023 · Sound Transmission Class ratings, commonly referred to as an STC rating, is an integer rating that details how well a building partition reduces airborne sound waves. STC is widely used to rate interior partitions, ceilings/floors, doors, and windows. High Range STC 43 - 45. Sound Transmission Class ratings. Technical Glass Guide Update 6/15/21 – Version 3. We sent our solid and glass walls to get Sound Transmission Class (STC) ratings from labs that follow the American Society of Testing and Materials (ASTM) E90 test procedures. ) versus the other side of a building’s surface. Click here to review the full details. For this reason, STC (Sound Transmission Class) ratings have become a primary consideration when choosing doors for large-scale projects. UPDATED; TD-138 - Heat Treated Glass for Architectural The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass How to calculate the glass STC? One of the features of glass is sound proof,whether it's single glazing, laminated glass,insulated glass or even laminated ins PDF-1. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Mar 5, 2021 · STC stands for sound transmission classification. Heavier glass and/or different glass thicknesses can be used in lieu of standard glass for a higher reduction of sound. But what does that really mean? A sound transmission class chart is a simple way to understand the decibel scale and its relation to STC ratings. Old aluminum and wood windows are rated even lower. Double-Glazed STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. Riot Glass® is a full line of ballistic glass available in single and dual pane options. Jan 28, 2025 · However, it is important to note that different glass options and the use of combination units may affect the sound abatement performance of the unit. 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. The higher the STC rating, the more sound will be dampened. At this rating, you may be able to hear very loud sounds faintly, but most sounds you won’t hear at all. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. Email: info@commercial-acoustics. 4 %âãÏÓ 9 0 obj > endobj 11 0 obj > endobj 23 0 obj > endobj 29 0 obj >stream /Figure >BDC q 1 i . Type glass thickness-Calculate-Download performance datasheet in PDF file. STC . • WD65 with STC 38 laminated glass has an STC of 36. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Armorplast® and Riot Glass® ArmorPlast® is designed to resist penetration in UL752 Levels 1, 3 and 6. STC Results Chart. These STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. A typical STC rating chart will often include an example of materials with a given STC rating, and the sounds you can expect to hear given the STC rating. Even if the glass is damaged, it remains securely in its frame, keeping the elements outside. B. Implementation of the appropriate rating system is important because OITC and STC ratings are not linearly related, and the achievement of a strong STC rating does not necessarily correlate with a similar OITC rating. In fact, dual-pane windows with dissimilar glass can achieve STC ratings nearly as high, if not as high, as triple-pane or laminated glass. 030 x 1/8” laminated has an STC rating of 34 1” insulated glass ¼” x ½” AS x ¼” has an STC rating of 35 Structural Performance The strength of laminated glass is determined by the glass thickness, type of vinyl, glass size, and the nature of loading. Oct 28, 2024 · Quanex’s Super Spacer® Standard, featuring polymer EPDM (Ethylene-propylene-diene-monomer) construction, dependably delivers high performance for insulating glass (IG) units, including excellent resistance to ozone, weathering, water and aging, while maintaining its flexibility through wide changes in temperature and barometric pressure. When tested in the field, an STC rating of a wall assembly will almost always be lower than the lab Dec 7, 2023 · Through acoustic testing, you’ve determined an assembly has an STC rating of 50. 501 re 306 396. Thermolite Sound Transmission Loss Test Report Results Select materials for sound absorption according to their STC ratings. VT's Sound-Resistant STC Doors. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. Most of the time, an assembly’s OITC rating is lower than an STC rating. STC ratings are the ONLY way to accurately compare various noise reduction products. The final STC/OITC rating of the window assembly could vary because of the influence of the framing members and the construction of the window assembly. Address: 6301 N Florida Ave Tampa, FL 33604 Standard windows offer sound control up to an STC rating of 30. Each configuration was tested by itself and then with the added Soundproof Window at 4 different air spaces (glass to glass measurements) shown to the right. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. The cost, however, may be prohibitive. STC ratings tell you how well a wall, window, ceiling, door, etc. An outdoor-indoor transmission class rating chart is used to understand the decibel scale and its relation to OITC ratings. A SPW using 1/4" laminated glass A SPW using 5/8" laminated glass All tests were performed by Western Electro-Acoustic Laboratory (WEAL), a fully accredited Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. May 14, 2021 · It is hard for us to know how much DB noise has been blocked during transmission. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. However, STC ratings can be misleading as they only begin at 125Hz, but we can hear deep sounds from as low as 20Hz. 0 This guide provides an introductory overview of glass concepts and terminology, plus Performance documents for altitude limits, NFRC ratings, center of glass, joining window load table, air infiltration, and more. Drywall between double studs can dramatically reduce the STC rating of an assembly. • SL80/81 has an STC rating of 38 when using double insulated laminated STC 38 glass, and a rating of 45 when using double laminated STC 45 glass. Calculating the required improvement involves subtracting the target STC rating from the existing STC Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. An example of a window STC rating chart is as follows: 26-28 – single pane window; 26-32 – double pane window; 48-54 – soundproof window over a single pane window 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . Seals and Gasketing: Even the highest-rated door will perform poorly without effective This table compares Vitro Architectural Glass product performance data when assembled in a one-inch (25 mm) insulating glass unit with a ½-inch (13 mm) air space and two ¼-inch (6 mm) lites. OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. Beyond the type of windows you select, other factors can affect the STC rating of your glass. All performance data is calculated using LBNL Window 7. stops sound. Explore noise reducing windows and doors from Pella. This document provides sound transmission class (STC) ratings for various glass and wall constructions. 06 m W* n 0 792 612 What is STC? STC ratings measure sound level on one side of a building’s surface (wall, ceiling, window, etc. Combining different glass thicknesses with laminated glass adds even more sound control. Mid Range STC 36 - 42. Glass size and glazing system will affect STC rating. At JELD-WEN, for example, we Nov 25, 2022 · A four-point STC improvement can cause a clearly perceptible change in your home’s acoustics, while a 10-point improvement can reduce sound by 50 percent. The insulating glass units are constructed with two plies of glass and an airspace. The U. Read more about the tools below Sep 21, 2018 · When looking at STC ratings for windows and doors be aware that the glass manufacturers publish values for the glass they produce. Insulation will noticeably improve the STC rating of an assembly. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 1/8" glass, . S. There are different ways to improve the STC rating of windows. Noise is one of the single most common complaints at hotels, condos, and other commercial properties. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. Determine Target STCs Check the STC rating chart above to have a better understanding of this. 800-782-5742 Talk to an expert! %PDF-1. 7 %µµµµ 1 0 obj >/Metadata 422 0 R/ViewerPreferences 423 0 R>> endobj 2 0 obj > endobj 3 0 obj >/ExtGState >/XObject >/ProcSet[/PDF/Text/ImageB/ImageC STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. This performance data is not a commitment for Cardinal to produce. 5. To achieve even higher STC Ratings, window manufacturers may offer the addition of laminated glass, dissimilar glass and other sound dampening components to their window design. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time Windows and doors can help block outside noises whether you live in the city or on a farm. This might seem a little difficult to do, but as long as a person has somewhat of an idea on how the ratings work, it is a Mar 3, 2023 · To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 Glass 3 Spacer STC OITC Test Date Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. Feb 19, 2024 · Explore the STC rating chart for walls, glass, windows, doors, and materials. For windows, STC ratings range from 18 to 38. Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Learn more. 030 P. Calculate What You Need for the Improvements You Want. xbqypbc jmkx arxugp apvwjyu vhflpkfc nactym duhp dug qsct ygvx lsxpqazk vrbiiam qeovxsj ynqbhan grf