Type iv duct wrap. Duct Wrap R6 Foil jacket 75 feet x 48 inches Type 75 NOTE: This product cannot be shipped via a parcel service due to product dimensions. This item has to be picked up at either our Tampa, FL or Houston, TX warehouse or shipped with a large supply or any equipment order. Please contact us at 813-885-7999 if purchasing in bulk for a shipping quote.

Uses. SOFTR® Duct Wrap FRK is used for external insulation of commercial and residential heating, air conditioning and dual-temperature ducts operating at temperatures from 40°F (4°C) to 250°F (121°C). This insulation, when applied in accordance with installation instructions, will provide the “installed R-value” as published for the ...

butted tightly together and 6" (152.4mm) wide collar of duct wrap is centred over the joint, overlapping each blanket by 3" (75mm) minimum. 1. Single layer of 3M™ Fire Barrier Duct Wrap 615+ 2. Steel banding 1/2" (12.7mm) wide min. typical 3. 6" (152.4mm) min. wide 3M™ Fire Barrier Duct Wrap 615+ Collar 4. Tightly butted jointFyreWrap 1.5 Duct Insulation offers the following product features: High-temperature, biosoluble insulation. Zero clearance to combustibles. 1- and 2-hour fire endurance rating. Lightweight, flexible product form. Easy to cut, fabricate and install around ducts. Scrim encapsulated for durability and resistance to grease absorption.

XXX. 3. The purpose of the NFPA 96 Standard is to reduce the potential fire hazard of cooking operations, independent of the type of cooking equipment used and whether used in public or private facilities. Please refer to Chapter 7 of the NFPA 96 Standard, Exhaust Duct Systems, for detailed description of duct requirements and design.Nov 24, 2020 ... ... category/duct-wrap ... How to install Fiberglass Duct Wrap for HVAC Duct with Stapler Gun ... 4:08. Go to channel · Not to be used as duct ...Sticky tape residue can be a persistent and frustrating problem, especially when it comes to removing it from delicate surfaces. Whether you’re dealing with residue left behind by ...The wrap materials are typically produced in rolls of varying lengths and typical widths of 24 and 48 inches (610 and 1219 mm). The wrap material is installed in direct contact with the exterior surface of the duct in a variety of installation methods. As noted previously, installations may be two complete layers of wrap or a single layer with ...Product Features. Energy Conservation. As the system efficiency increases, energy use and costs decrease. Offering a low "k" factor, this duct wrap significantly reduces heat gain or loss when installed properly. ECOSE Technology. Our patented, bio-based binder is a smarter alternative to using phenol formaldehyde.Duct Wrap 615+ is tested to ISO 6944 Type A and can be used on stair pressurization ducts and other life safety air ducts, providing 2 hour protection with a 1 layer system. 615+ 2hr Fire Protection Grease and Ventilation Air Duct Wrap. 3 Codes and Standards for 615+, Air Duct*IV. After clips are installed, cut off or bend flush with insulation (Item 4B) the pins that are too long. C. Single End Overlap (Telescope): Refer to 4C Section View B-B. Locate pins at all blanket overlaps, on all sides of the ventilation duct (Item 1), and meet the following requirements. I. Space pins max. 12 in. apart in rows across the width of ventilation duct …Item: 2-2X48X75FSKA. Reflectix® Double Bubble Duct Wrap 24 in. x 50 ft. Item: HVBP2405002. Reflectix® Double Bubble Duct Wrap 36 in. x 100 ft. Item: HVBP36100. Plastic Duct Wrap 36 in. x 200 ft. Item: DPW36. QuietR® Rotary Duct Liner (R4.2) 1 in. x 35 in. x 100 ft. Item: DL-1X35X100.

Microlite Standard. Summary. Johns Manville's Microlite® Standard duct wrap is a thermal and acoustical blanket insulation made from flame attenuated glass fibers. It offers a high tensile strength core for improved handling and easy installation. Microlite Standard comes unfaced and can be used where a vapor barrier is not required.The duct tape's popularity is due to one primary factor: its strong adhesive. You can use it to attach anything to any surface. Moreover, it is far more Expert Advice On Improving ...3M 615-PLUS-24 - 615+ 24" x 25 ft. Fire Barrier Duct Wrap- The 3M Fire Barrier Duct Wrap 615+ is a flexible fire-resistant wrap consisting of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. It is used to fire rate commercial kitchen grease ducts as well as ventilation ducts. The 615+ duct wrap is a proven alternative to 1- or 2 …Dyn-O-Wrap is a self-adhesive film which can protect uninstalled duct sections from the intrusion of contaminates. Dyn-O-Wrap is available in 24", 36" and 48" rolls. Each roll is 200ft long. Styles include the regular Dyn-O-Wrap ( DW) 3mm thickness and the Puncture Resistant Dyn-O-Wrap ( PRW) 2mm thickness. Dyn-O-Wrap Literature Sheet.

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NetLag will drop ship to your project site in 54" x 30' rolls. Each roll will weight in excess of 140 pounds. The rolls will ship via common carrier shrunk wrap on a pallet. For questions related to your shipment, please call our help desk at 1-800-638-9355. Acoustic lagging designed to wrap around pipes and ductwork to combat noise bleed.

Duct Wrap >Type III; Type 150 Duct Wrap – (CAN/CGSB-51.11-92) – (ASTM C1136) > FSK & white PSK, Type II > Gray PSK, Type IV • Fire Safety Standards: – (NFPA 90A, NFPA 90B) Fire Resistance: • Fire Hazard Classification: – (UL 723, ASTM E84, NFPA 255, CAN/ULC-S102-M88) Max. Flame Spread Index; 25 Max Smoke Developed Index; 50 • …Microlite® White PSK Formaldehyde-free™ duct wrap offers superior thermal performance and condensation control in a lightweight, blanket-type insulation with a white PSK facing. It is recommended for HVAC system exteriors or surfaces where design parameters prohibit the use of liner or board. Installing contractors prefer Microlite's binder for many reasons, including improved handling ...piece of duct wrap, is stapled to form a longitudinal seam. Where a vapor retarder is required, the seam is sealed with pressure-sen-sitive tape. Adjoining duct wrap sections are similarly stapled and sealed using the facing flap on one edge of the duct wrap as produced at the factory. Seams and joints may also be sealed with mastic and glass ...HVAC duct wrap. Jump to Latest Follow 6K views 19 replies 9 participants last post by flashheatingand Mar 18, 2018. M. MarkJames Discussion starter 21164 posts · Joined 2012 Add to quote; Only show this user #1 · Mar 16, 2018 (Edited ...50°F (27.8°C) 2″ (50mm) Recommended Duct Insulation Thickness for Concealed Ducts. So, if my dew point is 77°F (25°C) and the supply air temperature is 59°F (15°C), the temperature difference is 18°F (10°C) which is below 30°F (16.7°C). Therefore, my duct insulation should be 1″ (25mm) thick.

Alternatively you can click on the individual download name to view it now. Systems using this product. No downloads available for this. 3M™ Fire Barrier Duct Wrap 615+ is the only fire rated duct wrap product you’ll need to help protect grease and air ducts. It is flexible and lightweight for easy installation.Duct Wrap W/FSK Type 75 (3/4#) Duct Wrap W/FSK Type 100 (1#) Duct Wrap W/FSK Type 150 (1-1/2#) Duct Wrap PSK White; White Facing Duct Wrap; Mineral Wool Insulation. Mineral Wool Insulation. Mineral Wool Pipe Insulation; Mineral Wool Pipe and Tank Wrap; Mineral Wool Industrial Board;a Type_____ facing. Insulation shall be furnished with a factory-applied facing with a composite UL rating of 25/50. *The minimum insulation installed R-Value should be determined in accordance to the duct operating and ambient conditions. Specification Compliance ASTM C 553-92 ★ Type II Type 75, 100 & 150 Type III Type 150Duct wrap may be temporarily retained with 19mm wide filament tape. Secure second layer to collar on all four edges using 45mm drywall screws with 30mm washers, 225mm on center. 2 At the opening, install 3M™ Fire Barrier Duct Wrap 615+ in a single width wrap around the duct, tightly butted up to the collar. Overlap the cut edge a minimum of ...October 5, 2023 by GEGCalculators. Duct insulation wrap is typically 1/2 to 2 inches thick with an R-value ranging from R-4 to R-10. It’s designed to be installed on the exterior of ducts to improve energy efficiency, prevent condensation, and reduce noise. Roll lengths vary (25, 50, or 100 feet), and it’s available in various materials ...Lay out all materials. Safety Measures. Measure Duct and add 12". Lay out insulation, measure, cut, tape. Wrap, beat, confirm overlap, tape in place. Repeat steps 4 & 5, beating to close but joint or confirm overlap. Measure Duct and add 12". Repeat steps 4-6. Band 3" from edge and 10.5" on center.Scoot back the duct insulation to expose pipe joints, clean any dust or oils, then seal with a liberal coat of mastic. The blue low tack painter's tape was helpful for holding back the insulation: Seal the Sheet Metal Duct Pipe with Mastic. Mastic is applied to all duct pipe joints and over the sheet metal screws for an air tight seal.For nominal 2.5" (63 mm) annular space around the duct, cut 3 layers of 4" (100 mm) wide x 1.5" (38 mm) thick FireMaster FastWrap XLS or 4 layers of 4" (100 mm) wide x 1.25" (32 mm) thick FireMaster FastWrap XLS unencapsulated blanket to fill entire annular space. Secure minimum 1" (25 mm) x 4.5" (115 mm) x 18-gage steelSoftr® 670735, 1.5" x 48" x 100', Duct Wrap, Type 75. SOFTR® Duct Wrap is a blanket of glass fiber insulation factorylaminated to FRK vapor retarder facing. A 2″ (50mm) stapling and taping flange is provided on one edge. This product is designed to meet existing performance standards such as NFPA 90A and 90B. and other mechanical and energy ...Factors that affect the prognosis for stage IV lymphoma include the specific type diagnosed, daily living routine, age, the level of lactate dehydrogenase in the blood, and the ext...Scoot back the duct insulation to expose pipe joints, clean any dust or oils, then seal with a liberal coat of mastic. The blue low tack painter's tape was helpful for holding back the insulation: Seal the Sheet Metal Duct Pipe with Mastic. Mastic is applied to all duct pipe joints and over the sheet metal screws for an air tight seal.3M Fire Barrier Duct Wrap 20A is an ideal fire resistive enclosure for commercial kitchen grease ducts. It is a proven performance alternative to a. or 2 hour fire resistant rated shaft enclosures and provides zero clearance to combustible construction at overlap or collar. 3M Fire Barrier 1000 N/S, 1003 S/L or 2000+ Silicone Sealant is used in ...The MCMI-IV is an inventory designed to help assess, diagnose, and provide treatment options for individuals with personality disorders. The MCMI-IV provides mental health clinicia...Collagen IV (ColIV or Col4) is a type of collagen found primarily in the basal lamina. The collagen IV C4 domain at the C-terminus is not removed in post-translational processing, and the fibers link head-to-head, rather than in parallel. Also, collagen IV lacks the regular glycine in every third residue necessary for the tight, collagen helix.Utilizing Reflectix® to enhance the efficiency of your existing duct system is one of the "easiest to install" products you can select. There are no fibers or dust contained in the product, thus no need for respirators or protective garments. R-6.0 Note: Installation instructions and illustrated drawings are recommendations only, while ...While the duct liner is lined on the inside of the duct, the duct wrap is wrapped around the duct. The duct liner is factory fitted and comes preinstalled when requested, but the duct wrap has to be handled by you or a professional after the duct must've been installed. 5. Effectiveness. In terms of effectiveness, you should have a problem ...INSTALLATION METHOD 1. This method does not require spacer strips. However, it is recommended that the product be loosely wrapped around the duct (for an R-4.2 value). 2. Determine the exact perimeter around the duct. 3. For optimal performance, wrap the duct with material length that is approximately 5% longer than the actual duct perimeter.Before installing duct insulation wrap, clean, dry, and seal the sheet metal ducts. Cut the insulation wrap to “stretch out” dimensions, including the duct perimeter, plus extra to form an overlapping stapling and taping flap. Wrap the insulation around the duct’s perimeter, with the facing out. Tightly butt the adjacent sections with the ...

3M 615-PLUS-24 - 615+ 24" x 25 ft. Fire Barrier Duct Wrap- The 3M Fire Barrier Duct Wrap 615+ is a flexible fire-resistant wrap consisting of an inorganic fiber blanket encapsulated with a scrim-reinforced foil. It is used to fire rate commercial kitchen grease ducts as well as ventilation ducts. The 615+ duct wrap is a proven alternative to 1- or 2 …Rockwool (Parco) duct insulation/Lagging (Duct Wrap) £86 88. Shipping calculated at checkout. Thickness. 25mm (10m² per pack) Add to cart. Pickup available at UNIT 7 WESTFIELD IND EST. Usually ready in 4 hours. View store information.Overview. CertainTeed InsulPure Duct Wrap and WideWrap are top-tier insulation solutions for HVAC ductwork, providing superior thermal insulation and energy efficiency. They're easy to install and come in various sizes, backed by a strong warranty.Glycogen storage disease type IV (GSD IV) is an inherited disorder caused by the buildup of a complex sugar called glycogen in the body's cells. Explore symptoms, inheritance, gene...rating of Knauf Insulation duct wrap. Unfaced Duct Wrap should be overlapped with a minimum of 2" (51 mm) and fastened with 4" (102 mm) to 6" (152 mm) nails or skewers placed 4" (102 mm) apart, or secured with a wire or banding system. Care must be taken to avoid damaging the duct wrap. Refer to diagram for stapleCertified shaft alternative 1- and 2-hour fire-rated duct wrap. 3M Fire Barrier Duct Wrap 615+ is a fire wrap certified for grease ducts to ASTM E 2336 (including ASTM E119 engulfment) in 2-layer systems. Certified for ventilation ducts to ISO 6944 in 1-layer systems and for other key life safety duct applications.R11 Vinyl Back Duct Wrap Phone in orders only for this product $200.00 R11 Vinyl Back Duct Wrap - 4' X 50' x 3 1/2" Heating duct insulation can save you a pile on heating and cooling costs. Poorly sealed or insulated heating ducts can leak hot ai... $0.00 Details. R6.7 Vinyl Back Duct Wrap Phone in orders only for this product $195.00 R6 ...

Phone 248-478-7644. Toll-Free 800-859-7875. email [email protected]. 38900 West Ten Mile Road Farmington Hills MI 48335JM board and blanket insulation products deliver excellent thermal and acoustical performance and satisfy a wide range of application and design requirements. Our fiber glass boards and flexible fiber glass blankets are designed for use on process equipment, ducts and vessels.All Fiberglass duct wrap insulation rolls are 48" wide. 3/4 lb. density fiberglass with FSK Foil facing. Temperature limit = 250F degrees. Fiberglass blankets have both thermal and acoustical properties, and can be used for HVAC and sound control. UL-Validated Formaldehyde free Earthwool insulation made with ECOSE technology.ASTM C1290 Type 75, 100, & 150 ASTM C553* Type I, Type II Type 75 & 100 Type I, Type II, Type III Type 150 *For faced material: 250°F (121°C) maximum temperature. ASTM C1136s Type II FSK Facing †Replaces HH-B-100B, Type II. Canada: CGSB 51-GP-11M NYC MEA 40-75-M CERTIFIED JM FORMALDEHYDE-FREE™ FIBERGLASS INSULATIONPerformance+ ™ Rigid Plenum Liner. Performance+. Rigid Plenum Liner. Tough and resilient, delivering an optimal combination of efficient sound absorption, low thermal conductivity and minimal air surface friction. With a black mat facing, it gives the airstream a smooth, tough surface that resists damage during installation and operation.Johns Manville. Duct Insulation Wrap, 25 ft L x 48 in W, Thickness 1 1/2 in, Fiberglass. Mfr # 670378. $84.15.ASTM C 1139 - unfaced; Type I, Type II; Grade 1 - 0.75 lb/ft3; Grade 2 - 1.0 lb/ft3; Grade 3 - 1.5 lb/ft3 (Duct Wrap), ASTM C 553; Type I, II, III (Duct wrap), ASTM C553: Type I, Type II (KN Utility Insulation) Performance dashboard Features & functionality Low “k” factor significantly reduces heat gain or loss when applied with proper ...Fire Resistive Rating Enclosure System Duct System, Intertek Testing 1 or 2 hours 2 layers of 3M™ Fire Barrier Duct Wrap 615+, 3" (76mm) perimeter and 3" (76mm) longitudinal overlaps 3MU/FRD 120-18 ASTM E2336/ ICC ES AC101.1 3MU/FRD 120-19 Ventilation Air Duct Listings for 3M™ Fire Barrier Duct Wrap 615+ (tested to ISO 6944 Type A)R value: R8.3. Thickness: 2-1/4 in. Width: 48 in. 0. Shop for Fiberglass 48 in. x 50 ft. Duct Wrap from Owens Corning Fiberglass At Ferguson. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products.SOFTR® Duct Wrap is a blanket of glass fiber insulation factory-laminated to FRK vapor retarder facing. A 2" (50mm) stapling and taping flange is provided on one edge. This product is designed to meet existing performance standards such as NFPA 90A and 90B and other mechanical and energy codes. SOFTR® Duct Wrap FRK flexible design makes it ...Duct wrap, or ductwork insulation, is a cost-effective way to improve your home’s energy efficiency without replacing a functioning furnace or AC unit. For households looking for smart ways to lessen their environmental impact and lower their energy bill, ductwork insulation is an accessible and effective HVAC system upgrade.Duct Wrap is a blanket of glass fiber insulation factory-laminated to FRK vapor retarder facing. A 2″ (50mm) staplin and taping flange is provided on one edge.Insulates duct pipe up to 4 in. Dia and up to 5 ft. L. R-6 value for effective insulation of your duct system. Reduces mold-causing condensation and absorbs draft and duct system noise. Meets ASTM E84-20 surface burn standard. Tested …Johns Manville Duct Wrap, Fbrgls 1-1/2"x48"x100' R4.2 FSK SKU: MIDW1.5 MFG Part Number: MIDW1.5There's a protective wrap system for every need. Lightweight, flexible 3M™ Fire Barrier Duct Wrap 615+ protects both air and grease ducts for up to two hours. 3M™ Fire Barrier Plenum Wrap 5A+ creates a fire-resistive enclosure that can reduce flame and smoke spread ratings to acceptable levels. For additional protection, 3M™ Interam ...L’enveloppe isolante 3MTM Duct Wrap 615+ nécessite une fixation permanente à l’aide de bandes de cerclage en acier au carbone ou en acier inoxydable et de rangées d’aiguilles à souder (pointues ou à tête ronde). Orientation Horizontale: Cerclage en acier carbone, 12,7 mm de largeur et 0,5 mm d'épaisseur avec agrafes de cerclage en ...Unifrax's FyreWrap® Elite® 1.5 Duct Insulation is a single-layer flexible duct wrap enclosure for 1- and 2-hour fire-rated air distribution systems (ADS ducts). Typical duct types include smoke control, hazardous exhaust, laboratory chemical fume, stairwell and vestibule pressurization, ventilation, supply/return ducts, commercial dryer exhaust, as well as refuse and linen chutes. This ...The duct enclosure system shall be listed by Intertek per ASTM E2336, CAN/ULC S144 and CAN/ULC S115 for a 2-hour rating and zero clearance to combustibles and tested per ASTM E84 or UL 723 for a flame/ smoke rating less than 25/50. Insulation shall have a nominal thickness of 1.5” (38mm) and density of 4.4 pcf (70kg/m3). ®

Type I, Type 75 Duct Wrap Type II, Type 100 & 150 Duct Wrap Type III, Type 150 Duct Wrap – CAN/CGSB-51.11-92 – ASTM C1136: FSK & White PSK, Type II, Gray PSK, Type IV • Fire Safety Standards: – NFPA 90A, NFPA 90B Fire Resistance • Fire Hazard Classification: – UL 723, ASTM E84, CAN/ULC-S102 Max. Flame Spread Index: 25 …

Johns Manville Foil Backed Duct Insulation Wrap is an effective and affordable means of insulating your home or business. The wrap features a R6.5 rating and is available in 2.3 inch x 48 inch x 75 feet rolls. The model, FSK752.3, is lightweight but extremely durable, with a weight of 33.97 Lbs. per roll. This product is part of the Supplies ...

IV. After clips are installed, cut off or bend flush with insulation (Item 4B) the pins that are too long. C. Single End Overlap (Telescope): Refer to 4C Section View B-B. Locate pins at all blanket overlaps, on all sides of the ventilation duct (Item 1), and meet the following requirements. I. Space pins max. 12 in. apart in rows across the width of ventilation duct …The Jerry Cutter XL Duct Wrap Cutter is a portable insulation cutter that will transport, score, and cut duct wrap/liner to length quickly and efficiently. The Jerry Cutter XL is two tools in one.• Make sure the duct is free from dust and dirt by wiping it down with a shop rag. • Install the HV Spacers to all 4 corners of the duct. Place the spacers every 36" apart. Verify the circumference of the duct over the top of the spacers. • Cut the Reflectix ® product to this length plus 1". Wrap the Reflectix ® over the spacers.Ductwork Insulation Cost. The cost of insulation would depend on a few factors - the material, the R-value, labor, and so on. Usually, duct insulation cost falls in the range between $0.95 and $2 per square foot installed. Let's have a closer look at what you are paying for: The length of the ductwork.Factors that affect the prognosis for stage IV lymphoma include the specific type diagnosed, daily living routine, age, the level of lactate dehydrogenase in the blood, and the ext...Inherent R-Values of Different Insulation Types. There is a typical inherent R-value per inch of an insulation material, which impacts how much you will need. For the most part, you have an expected range for the R-value of different insulating materials, as listed in the following table: Cellulose (loose-fill) R3.2-R3.8. Fiberglass (loose-fill ...NORDFAB Round Angle Flange Adapter, 6 in Duct Dia, 304 Stainless Steel, 22 GA, 8 1/4 in W, 3-1/2" L 8040401844 MASTER FLOW 4 in. to 3 in. 26-Gauge Round Reducer 26R4X3 NORDFAB Round Reducer, 16 in x 6 in Duct Dia, Galvanized Steel, 20 GA, 16" L 8040025940 Reflectix Ducting & Venting

sks hywanatyantwn slymannewaoa etftake me to arby Type iv duct wrap why you shouldn [email protected] & Mobile Support 1-888-750-7150 Domestic Sales 1-800-221-6865 International Sales 1-800-241-3459 Packages 1-800-800-2681 Representatives 1-800-323-5182 Assistance 1-404-209-3122. Microlite® White PSK Formaldehyde-free™ duct wrap offers superior thermal performance and condensation control in a lightweight, blanket-type insulation with a white PSK facing. It is recommended for HVAC system exteriors or surfaces where design parameters prohibit the use of liner or board. Installing contractors prefer Microlite's binder for many reasons, including improved handling .... bwrnw hwb M1601.1 Duct design. Duct systems serving heating, cooling and ventilation equipment shall be installed in accordance with the provisions of this section and ACCA Manual D, the appliance manufacturer's installation instructions or other approved methods. M1601.1.1 Above-ground duct systems.Type I, Type II Type 75 & 100 For faced material: 250°F (121°C) maximum temperature. ASTM C1136s† Type II PSK Facing †Replaces HH-B-100B, Type II. Canada: CGSB 51-GP-11M Maximum Flame Spread Index 25 Maximum Smoke Developed Index 50 HVAC INSULATION MICROLITE® WHITE PSK WHITE PSK-FACED FORMALDEHYDE-FREE TM FIBERGLASS DUCT WRAP DATA SHEET video de femme nuesks ayrany ba chhrh Duct Wrap 615. Metal Pipe. 10 in steel / cast iron 4 in copper 2 hour F-A-1057 2 layers of 3M™ Fire Barrier Duct Wrap 615. Floor Sink. 4 in cast iron 2 hour F-A-1160 Maintenance No maintenance is expected when installed in accordance with the applicable Intertek, UL / ULC or other third-party listed system, and in accordance with 3M™ Fire ... syksy zngaleria zdjec New Customers Can Take an Extra 30% off. There are a wide variety of options. jm duct wrap type-75 fsk (r= 4.2) 1.5"x 48"x 100' (4 rl/pk) 21a01jm101000: jm duct wrap type-75 fsk (r= 5.6) 2.0"x 48"x 75' (4 rl/pk) 21a01jm101006: jm duct wrap type-75 fsk (r= 6.0) 2-1/5"x 48"x 75' (4 rl/pk) 21a01jm101002: jm duct wrap type-75 fsk (r= 8.3) 3.0"x 48"x 50' (4 rl/pk) 21a0101001: jm duct wrap type-75 fsk (r=12) 4.4"x48"x45' (4 rl ...Id: C1136 Type: II Id: C1290 Type: III Id: C553 Type: II (SOFTR Duct Wrap FRK Types 100 and 150) Id: C553 Type: I (Fiberglas™ Duct Wrap Type 75) Manufacturer. Owens ...In this type of application, a material with a good STC rating (such as a closed cell insulation or a mass loaded elastomer or vinyl) can reduce the noise to acceptable levels. But unlike sound absorption, where the duct is lined, sound transmission can be controlled through the use of duct lining or duct wrap. Looking at Indoor Air Quality