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fohns-llonville Spinter lnsulotion prevents heeit escoping cll 3 wcys

To-o"ro* at breakfast, let your coffee and a lighted match show you howJohns-Manville Spintex insulation can keep heat from moving out of a home.

Only this type insulation properly applied prevents heat escaping all 3 ways.

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Notice how quickly the handle of your spoon warms up. Fast-moving molecules in the hot coffee kick into action the slowed down molecules of a cold silver spoon. In this same way, furnace heat kicks its way out through uninsulated or poorly insulated walls and ceilings.

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rJ(hen you light a match for your cigarette, notice that the flame is pulled straight up by rising heat. Heat behaves the same way in a house with uninsulated walls and moves to the colder surfaces where it finds ready exit to outdoors. Drafts result.

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Now sip your coflee. Notice it has cooled perceptibly in a short time. What happened to the heat? Most of it propelled itself out into the air, will continue to radiate in all directions unless it is stopped by efficient insulation.

Herets why f-t Spinter Botts ond Blonketr ore superior:

l. Made of the new long fibre Spun Rock Vool originally developed by Johns-Manville.

2. This long fibre spun wool plusJ-M "Know How" results in a better batt or blanket than ever before produced.

3. Spintex will not settle-its long fibtes are firmly felted for maximum resistance to normal building movement.

4. Cuts clean; leaves clean sharp edges, for snug fit -will not f.all apatt.

5. Easy to install. They hold their shape. Rigid yet resilient characteristics assure easier handling, quicker installation.

6. Backed by Johns-Manville's years of experience in developing insulations for home and industry. For full details about Spintex Insulation, write Johns-Manville, Box 6O, New York 16, N. Y.