nville Flexbourd Trqnsitop is STRONGER.oo

The same properties that makeJ-M Asbestos Flexboard so desirable as a building sheet, mlke it the ideal surfacing material for Flexboard Transitop, the stractural insulating building panef developed byJohns-Manville. The Flexboard surface, made of asbestos and cement, is tough, strong and abuse-resistant. Fireproof and rodent-proof, it provides a smooth flush surface, which can be left as is or decorated as desired.

Between these Flexboard surfaces is an insulating core of a special impregnated tVeathertite Sheathing. This com,bination makes J-M Flexboard Transirop both a structural and insulpting material at one time. The Weathertite core is available in thicknesse" s1 r1r" to 2" depending on the service required.

J-M Transitop is easily handled on the iob. It can be sawed, nailel utithout drilling, or drilled for bolts or other fasteners ttitbfut lear "f "t W;iS or cracking. It offers the ease of dry wall construction and the erection advantage of large sheets in one material.

For full details about J-M Transitop, the wonderful, new structural insulating material, writeJohns-Manville, Box 29o, New York 16, N.Y. In Canada, write 199 Bay Street, Toronto 1, Ontario.