Division 22 23 Ebook Page 75 FOAMULAR XPS Pipe Insulation Installation Guidelines

PubNo.10013974-A.Rev.9/2015 Page 5 of 24 FOAMULAR!XPS!Pipe!Insulation Installation!Guidelines B. ThefollowingmaterialsaretypicalforuseinthesystemsdefinedinSection1.01above.Consult manufacturer'sliteratureforproperselectionandinstructionsonsafehandlingofmaterials includingrequiredoperatingtemperatures: Mastic! VaporRetarder CHIL-PERMWBCP-35,ChildersProductsCompanywww.fosterproducts.com WeatherBarrier AK-CRYLCP-9,ChildersProductsCompanywww.fosterproducts.com VI-CRYLCP-10/11,ChildersProductsCompanywww.fosterproducts.com Vapor!Retarder!Joint!Sealer! CHIL-JOINTCP-70,ChildersProductsCompanywww.fosterproducts.com Daxcel161D,DacarIndustrieswww.dacar.com Facing!Adhesive! CP56,ChildersProductsCompanywww.fosterproducts.com 85-50,ChildersProductsCompanywww.fosterproducts.com 85-60,ChildersProductsCompanywww.fosterproducts.com PART!3.0!-!INSTALLATION! InstallationoftheinsulationsystemshouldbeinconformancewiththecurrenteditionoftheMICAor IIRAmanuals.Certaininstructionsandillustrationsareprovidedheretoassistthespecifier. A. General! 1. Apipecoatingsystemmayberecommendedtominimizethelikelihoodofpipe corrosion(CUI).Consultwiththedesignerorengineerbeforebeginninginstallation oftheinsulationsystem. 2. Allinsulationshallbetightlybuttedandfreeofgapsandvoidsatalljoints. 3. Pre-fabricatedinsulationfittingsforelbows,tees,andvalves,shallbethesame thicknessatfittingsaspipesections. 4. Eachlayerofinsulationshallbesecuredtothepipewith3/4"widefiberreinforcedtape. Iffactoryappliedfacingsareused,fiberreinforcedtapeinnotrequiredontheouterlayer. (Figure4,AppendixA) 5. Vaporbarrierperformanceisextremelyimportant;thevaporretardershallbecontinuous. 6. Vaporstopsshallbeusedoneithersideofvalvesfrequentlyremovedforservicing,valve stationsleftexposed,oroddfittings,elbows,tees,etc.wherethechanceofmoistureinfiltration ishigh.(Figure2,AppendixA) 7. Beforeouterjacketingcanbeinstalledonaportionofthepiping,thevaporretardersystemon thatportionshallbecomplete. 8. Alltape,fasteners,andbandsshallbeneatlyalignedandinstalledinaworkmanlikemannerby skilledandexperiencedworkerswhoareregularlyengagedinammoniarefrigerationinsulation work.

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