b'11Theonlyequipmentthatisneededtoshavetheinsulationisacommon,ordinarypowerlawnrakeandpossiblyalargecommercialvacuum. "Letustryahypotheticaljob.Assumethatwearegoingtoput slopeinadeadflatroofthatis100\'x40\'.Andalsoassumethatdrains havebeeninstalledgeometricallysothatthereareeightareas20\'x20\' withadraininthecenterofeach.Wewilltaperinsulationsothatwe establish1/4"/footofslopefromeverydirectiontoeachdrain. \'\'First,weinstallone3/11layer ofperli eboardoverthefirst 4 t20\'x20\'area.Next,wemeasurebackthreefeetfromthedrainandwith theexceptionofthis6\'x6 1area,layanother3/4"layerofperlite boardin190asphalt.Weagainmeasurebackthreefeetandwiththeexceptionofthe12 1x12\'area weinstallanother3/4"layerofinsulation andwecontinuewiththisprocedureuntilwereachthe20 1x20\'boundary. "Thepowerrakeisthenusedtotapertheinsulationbyplacingtwo wheelsononesideofthemachineontheupperlevelandtheothertwo wheelsonthelowerlevel.Afterthishasbeendoneoneachlevel,the rakeisrunupanddowntheslopeuntilasmooth,eventaperisaccomplished.Thevacuumcomesinveryhandyduringthetapering,butoneman withabroomcankeepup. "Aftertheslopeisestablishedandtheshavingshavebeencleaned up,onemorelayerof3/4"insulationisinstalledasamoppingsurfaceand theroofingisinstalled. "Ifit soundscomplicated,believeme,it isn\'t.Alittle pre-planning_,, andyouwillbesurprisedathowsimpleandeasyit isandhowwellit turnsout. "Weusethismethodtoinstallcricketsbetweendrains)cricketsbehindequipmentcurbs,andfilling-inareasthatpondwateraswellasto installcompletedrainagesystems.Thearchitectsarenowspecifyingthis methodonnewconstructionandindustrialownersarespecifyingthis methodtoestablishdrainagetotheirdeadflatroofdecks. "Onceyoutrythis,youwillbeamazedat howmuchyouwilluseit. Practicallyeveryjobneedssomefillinghereandthere,andthisisyour newtool." Johnpreparedadetailshowinghowtoaccomplishthetaperingofinsulationtoaddslopetoaflatdeck.Thedetailisreproducedonthe lastpage. SOMEWORDSFROMWARMWISCONSIN GlenLanger,MRCAdirectorfromMilwaukee,Wisconsin,advisesthat onoccasion,it getscoldupthere.Hehassentusanarticlewhichadds morefueltoourAssociation\'scallfordevelopmentofcoldweatherapplicationspecifications.'