Microlite Standard Duct Wrap - Industrial Insulation

1 Microlite Standard duct WrapFiber Glass duct wrap InsulationDescriptionMicrolite Standard duct wrap is a light weight, highly resilient,blanket-type thermal and acoustical Insulation made fromflame-attenuated glass fibers bonded with a thermosettingphenolic information regarding Formaldehyde-free Microlite XG fiber glass duct wrap Insulation , see FormsMicrolite and R-Series Microlite insulations are available in a variety of densities, thicknesses, widths and roll lengths. AllR-Series Microlite is manufactured with a nominal density of lb/ft3(10 kg/m3). duct wrap can be supplied plain or withwhite Class 1 vinyl. All facings are supplied with a single 2" (51 mm) stapling InformationClass I Vinyl (White)Meets NFPA 90A and 90B.

2 UL : perms** Per ASTM E 96, Procedure A for facing materials prior to lamination. After lamination, permeance values may be PropertiesOperating temperature (max.) - ASTM C 411 Unfaced350 F (177 C)Faced250 F (121 C)Water vapor sorption - ASTM C 1104<5% by weightCorrosivity with steel - ASTM C 665 Does not accelerateFungi resistance - ASTMC 1338 Does not breed or promoteThermal Conductivity (ASTM C 518)k*kCompressed ThicknessLabeled ThicknessTypeBtu in/(hr ft2 F) W/m CBtu in/(hr ft2 F)W/m . at 75 F (24 C) mean temperature. *Tested with material thickness compressed 25%.AHS-52 9-08 (Replaces 8-08)Surface Burning CharacteristicsMicrolite Standard duct wrap meets the Surface BurningCharacteristics and Limited Combustibility of the followingstandards: Standard /Test Method ASTM E 84 UL 723 NFPA 255 NFPA 90A and NFPA 90B UL Guide No.

3 40 Card R3711 CAN/ULC S102-1188UL labels supplied on packages when requested on order. Specification ComplianceASTM C 1290 Type I and Type IIASTM C 553*Unfaced, Type I and Type II* To 350 F (177 C) unfaced; 250 F (121 C) C 1139 Type I and Type II Replaces MIL-I-22023D. Type I to 350 F (177 C) unfaced; Type II to 250 F (121 C) Handling SystemsMaximum Flame Spread Index25 Maximum Smoke Developed Index50 Microlite Standard duct WrapFiber Glass duct wrap InsulationStretch-OutDimension2" (51 mm)OverlapApplication RecommendationsThe R-Value will vary depending upon how much the insulationis compressed during installation. To obtain the published,installed R-Values, the Insulation stretch-out should bedetermined using the following wrap Stretch-OutsInstalledLabeledCompressedTh ickness Thickness + "P + "P + " + "P + "P + " + "P + "P + " + "P + "P + " + "P + "P + " + "P + "P + "Stretch-outs include 2" (51 mm) for overlap.

4 P = Perimeter of duct to be overlap by removing approximately 2" (51 mm) ofinsulation from applying duct wrap , sheet metal duct shall be clean, dryand tightly sealed at all joints and Insulation around duct with facing to the outside so the 2" (51 mm) flap completely overlaps facing and Insulation at theother end of stretch-out. Insulation shall be snugly seams with outward clinching staples placed approxi-mately 6" (152 mm) on centers. If required, seal seam withpressure-sensitive tape designed for use with duct on the underside of ducts spanning 24" (610 mm) orgreater shall be secured with mechanical fasteners and speedclips spaced approximately 18" (457 mm) on centers. Fastenersshould be cut off flush after the speed clips are installed, andwhen required, sealed with the same tape as specified sections of duct wrap Insulation shall be snugly buttedwith the circumferential 2" (51 mm) tape flap overlapping andsecured as recommended for the longitudinal seam.

5 When avapor seal is required, two coats of vapor retarder masticreinforced with one layer of 4" (102 mm) wide, open weave glassfabric may be used in lieu of pressure-sensitive Flame-Attenuated duct WrapThickness WidthLengthR-Values (hr ft2 F)/BtuTypeininftOut-of-Package duct WrapR-Su11 R-Series (Type R-S) :Not all products are stock items. Minimum order quantities may contact your JM representative for SpecificationsInsulation for Metal ducts shall be insulated on theoutside with flexible fiber glass blanket. Microlite (R-SeriesMicrolite ) Fiber Glass duct wrap Insulation with a minimuminstalled R-Value* of , and a Type** shall be furnished with a factory-applied facing with acomposite UL rating of 25/50.

6 * The minimum Insulation installed R-Value should be determined in accordance to the ductoperating and ambient conditions.** Available facing materials are: FSK with a permeance of .02 or less; vinyl with a permeance of or less. 2008 Johns ManvillePrinted in USAE astern Region Box 158 Defi ance, OH 43512(800) 334-2399 Fax: (419) 784-7866 Western Region & Box 5108 Denver, CO 80217(800) 368-4431 Fax: (303) 978-4661 North American Sales Offi ces, Insulation SystemsPrinted on recycled 9-08 (Replaces 8-08)The physical and chemical properties of Microlite Standard duct wrap Products listed herein represent typical, average values obtained in accordance with accepted test methods and are subject to normal manufacturing variations.

7 They are supplied as a technical service and are subject to change without notice. Numerical fl ame spread and smoke developed ratings are not intended to refl ect hazards presented by these or any other materials under actual fi re conditions. Check with the Regional Sales Offi ce nearest you to assure current information. All Johns Manville products are sold subject to Johns Manville s Standard Terms and Conditions including Limited Warranty and Limitation of Remedy. For a copy of the Johns Manville Standard Terms and Conditions, Limited Warranty and Limitation of Remedy, and information on other Johns Manville thermal insulations and systems, call (800) 17th , CO 80202(800) Microlite duct wrap should be installed with aminimum 2" (51 mm) overlap, and secured with a wire orbanding system.