National Geographic : 1935 May
Snow melts on the roof when expensive heat leaks out. WARI "' snoW elted on your WARNING-if snow mi-heat will roof this winter, sweteingheatwi seep into you r house this sum-er Make your home up to 50 ooler this u lake or he p5on fuel next winter. mer.-save p aie book texstow) FREEJohnsanville (Flin e Rock Wool, blown into attic spaces, keeps heat in, in winter.. .,shuts out un- hainsm: .e r wanted heat in summer! Y OUR attic is separated on winter fuel bills-makes from rooms beneath only homes up to 15° cooler in sum by the thinnest layer of plaster mer. And you can finance the and board. That is why heat work through the Johns-Man leaks out of your house so ville "$1,000,000-to-Lend" rapidly, is wasted, in winter. Plan-under the terms of the And, in summer, heat pours in! National Housing Act - the J-M Rock Wool Home In- lowest terms in the history of sulation, blown between attic- home- improvement financing! floor beams and into hollow Send for the FREE J-M wall spaces, saves up to 35% Home Insulation Book. --------------------------------------- Johns-Manville, Dept. NG-5 22 E. 40th St., Name New York. Send me FREE illustrated book, telling how I can make Address myhousecoolerinsum mer, save fuel Inwinter. City State JOHNS-MANVILLE iul Rock Wool Home Insulation Snow stays on roof because J-M Rock Wool keeps heat in.