b'Johns-Manville hasa roof for weight watchers. The heavier the roofing, thelongerJ-MSeal-O-Maticself-sealingIt\'s obvious J-M fiber glass shingles the roof life. Right? No, weight is noadhesivehasproveditselfevenandrollroofing will give your cuslonger the standard of roof life. Un inwindsuptohurricaneforce.tomers more life and protection than lessyouconsiderJ-MfiberglassProvedonal most2,000,000anyconventionalroofing.Andon Class "A" shingles somethingspe homesnationwide.re-roofingtheirlightweightand cial. And maybe you should.flexibility mean easy handling. Fast J-M fiber glass rollroofing is ap installation.Soinsteadofthinking pliedcoldonlowslopesandheavier, think lighter. J-M fiber glass shingles carry Un offers Class"B" protection.And derite\'Laboratories Classit\'stheonlyrollroofingofthisJohns-Manvillemanufacturesthe rwrs"A"rating.Thehighestratingtype guaranteed for ten years.greatest variety of roofingproducts forresistancetofireandtheinthe industry. For completeinforspread of flame.mationwrite:Johns-Manville,Box 290-BA, New York, N. Y.10016. J-M fiber glass roofing is made up of fiber glass and asbestos. Thinner,lighter, andmoredurable. J-M fiber glass roofing has greaterresistancetorotting,curling, shrinkingandexpandingthan!J~ conventionalshingles.And they are more flexible. J-M fiber glass shingles use 55% more weatherproofing asphalt for longer life.Providemoreprotec Johns-Manville tion against leakage. 2JULY,1971'