b"LETTERS FROM READERS ,__________What's YourProblem? _SatisfiedCustomersLETTERS FROM READERS WELCOMED, WRITE TO liveunder180 N. WACKER, CHICAGO 6, ILL., WITH YOUR COMMENTS,PROBLEMSANDSUGGESTIONS SNOWWHITEMILDEWBELOWROOFDECKS ROOFINGMARBLE EDITOR,AMERICANROOFER:notonlyattacksceilingsbutwallsand because .roofs. Thereare some slate-roofed buildCan youtell ushow to get rid of milQuality is superlative!dew forming under roof decks?ingsinEurope,centuriesold,inwhich Color is uniform !This is a troublesome problem and hastheoriginaloakenpegsusedinsteadof Delivery is flawless!occurredfrequentlymceilingsovernails have rotted away, leaving the slates, Economy is proven !shopping centers.stillsecuredtothebattensandtoeach Call or wire collect .other bygreenmoss, covering all of the Frank Sedlacek, WiebeConstructionCo.joints,andproviding,incidentallyanaD~lt!pany turalexpansionandcontractiondevice. c:Jarble CJroiluctsRalston, Nebr. This is one of the few advantages of milFirst National Bank BuildingREPLY:dew. Atlanta 3, Ga.JAckson 3-2848Before answering your query it is worthTo gee back to the problem, remember whiletodescribewhatmildewis.Isitthat while mildew can be removed, the laanimal or vegetable? Scientists are in dis borandexpenseinvolvedinremoving puteonthispoint,andweareindis itwillhavetobe repeatedin ayear or agreement with them as we think mildewtwoiftheconditionsresponsiblefor is a little bit of both.growth are not also removed. We doknowthatbacteria- livingorganisms- have some responsibility for the growth,butit doesgrow and multiplies likeaplant.Andwe alsoknowthatit grows ONLY in the presence of moisture. Weknow,in addition,thatthemois RIDSROOFSOF ture must be at the stage where it will defyFUNGUSINFESTATION the law of gravity, clinging below ceilings and to wallsand othersurfaces, much asclaims with a two-year guarBacking its the morningdew hangsbelow fencerail antee, the Dan-Way Corporation, Route 4, ings.Baton Rouge, Louisiana,has developed a At chisstage itpicks up invisible dustnewprocessthatkillsfungusandother and invisible bacteriafromthe surround plantlifegrowingon rocfs,andatthe ingair.This isthe wombin which bac sametimedoingapositivejobofroof LOW-MASTERterial cells divide and in dividing mulr.iply.cleaning. Power DrumReverserSo . ro get rid of mildew, you mustThenewroofcleanserhasbeenused get rid of thecause.Humidair risestosuccessfully,accordingtothemanufacOrderyournew1961GasolineHoistMasterceiling level.Ifthe air at the ceiling levelturers onbuilt-up roofs, asphalt shingles, withtheallnewlow MoslerPowerReversing Drum.Sendshookendofcablespeedingtois in a constant state of movement throughasbestossiding,brickandother surfaces. ground withlittleornoweight.Willimprovenatural air flowor by venting, gravity orSurfacescleanedareproofagainst efficiency of yourhoist more than 50%.forced, mildew cannot begin or grow.furtherinfestationforyearsbeyondthe Optionalonnewhoist.Canbe installedonHowever, once it is established it mustguaranteeperiod.Thechemicalsinthe your present Hoist Master in minutes. No weld be removedaseven forcedcirculation ofmaterialwillnotharmthesurfaces ing or drilling necessary.Price $98.00 complete.air won't remove it.cleaned,andwillinfactpreservethem ThenewHoistMasterframeismadewith new type alloy steel tubing. lighter weight andThesimplestmethodisbyscrubbingfrom attack by plant life contaminates. more strength, at noextracosttoyou.or brushing. A solution of copper sulphateThe manufacturers point out that their Writeforliteraturedescribingpowerhoistcrystals scrubbed over the area is effectiveproduct has been used successfully in the models180-Gand190-H,othermodelsandin stubborn cases.Sodium chlorate, at thesouthern states for years to the satisfaction uccessories.rateof12ouncesto3gallonsof waterof dealer-applicators. SMITHHOISTMFG. CO.,INC.will clear 100 square feet of surface.Exclusive franchises are offered those inCassopolis, MichiganMildew in the form of fungus and mossterested in anew source of income. 10JANUARY,1962"