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I coe*-ay desired I stops SPraoFao LD i gun application i- 8ultesthespaes aroubd windows and dors hereair infiltration ordinarily causes Idrafts and cdHli the entire house. Stnds cold -floors -and I drafty, leaky walis and roofs.- h w.". INSULATIONý ENGINEERING SERVICE Co* 2715 IRVING PARK .BOULEIýVARD INDEPENDENCE 3300 DEADENS SOUND Me& u.8.pâ of, It is lçnown as Sprayo-Flake and is being used extensively to insulate new homes and- otbtr buildings begins at once to repay its cost. against 'h,1eat' aftd .cld.- Applicatiqýn is extremely .simple. Twio men anidý 'Cabinet Ventilator an air -gun finish the job in a Described- in Item minimum of time. There' is no cutA self-contained cabinet ,ventilator ting or fitting.to measure, no, nailing. or stripping. required., The air gun that is especiallyr de signed to be ýbuitforces the fibrous material intoevery in in the modern home is 110w availnook and :cranny to be insulated. As able, it was explainied recently in an, the- material leaves :the g'un.: it is article in1 "Practical Builder," publicacomipletely coated with a ire and tion of building contractors, and formnpro w arded to this news magazi.ne-through moisture resisting ad'. adhesi ve which binds, the 'insulationi the courtesy of the Autovent Fan and, permanentîy to the wall or ceilinig. Blower: Company of Chicago. The -unit is encased in a steel cabiThe blanket' of Sprayô-Flake inienameled a shade of green to.harnet, sulation seals, up, every crack .athd t 'is .built. with the kitchen. L monize -e perforrn.anc the crevice, simulating of a vacuum bottie in your hiomne. It into the wall and becomes an integral, caii be built. up to any desired thick- vibr ation. proof part of t.he building. ness and is unique because it caulks *These cabinets are easy to operate, 'tround windows and doeirs, scess- it is explained~. Turning the handle to fully stopping the infiltration of air. open the cabinet door automnatically Sprayo-Flake is flot r e s t 1-ic t e.d switches the fan into operation. At alone to home insulation, its per- the samne time, the weather louvres manency and 'moisture resistance on the outside of the cabinet open making it more than satisfactory for because of a controlled louvre design.. When the job is complete, it is industrial and commercial application. the door is closéd with a readded, J*undreds of railway cars, factories, of the handle, and autoturn verse theaters, schools, hospitals an'd railfan stops and tlie the matically donc beeni baving terminais road more efficiently and more economic- louvres close:' nul -- NG. MATIERIAL RFMEMBER- EVANSTONý iMJLLWOIIK ê SUPPLY CO. N L ES 2125 DEWEY AVENUE I DAVIs 8180 COAL COKE FtUIPLACE LOGS ... 011.... iA TRIAL