Rememberl Celotex lnsuloting Sheqthing is . .. d o u b I e -vvctte rproofed

The Eccclusive Celotex Way

WATERPROOFED INSIDE!

J Every one of the millions of tough cane fibres which make up its insulating core board is impregnated with a waterproofing agent during manufacture.

HERE'S PROOF of rhe kind of performcnce fhqt hor mode Cclotex the Greofcrt Nomc In In3ulqlionr In q recenl lefler, Mr. A. J. Mc|lullin, Prcsident of fhe Oleqn Lumber & Supply Corp., Oleon, N. Y', wrole: "Our Compony opplicd the regulor /2" Cclolex Boord on the axterior of our mill in 7922. No riding of ony kind wcr opplied over lhe Celoler Boord, ond consequenlly it hos been subiected lo qll kinds of weolher, including roin, lnow, summar sun, ond eYen s flood, when rhe Allegheny River wenl on tqmPsge in 1912. lt hos given very sotbfoclory sewice lor 27 yeors ond we hove no inlonlion of replocing il, os if is still in good condition ond os good os cnylhing we could reploce if with."

WATERPROOFED OUTSIDE!

This remarkably strong, durable insulating board is then coated on both sides, and on all edges, with a thick, enduring "raincoat" of speciallytreated asphalt which seals out moisture.

* Yes, d,ouble-utaterprooteil, yet it has more than twice the vapor permeability advocated by government agencies!

.t Safe even under severe exposure during construction! Even cut edges are highly resistant to moisture penetration.

* Enables contractor to resume work more quickly after the heaviest rain, thus cutting costly delays.

* Protected against dr5r rot, termites, and fungus by the exclusive Ferox proeess,

* Combines exceptional structural strength and rigidity with high thermal insulation.

'rt Builds and insulates, all at orue low cost.

* Yet costs no more than ordinary shea*-ring.

It Write today for full details!

Ihe Dependoble

THE PROOF IS IN THE USING!

Builders, architects and owners will tell you that Grip Lath is the way to get better plaster construction...with the utmost in fire resistance, crack resistance, sound proofing, insulation and every other factor that adds to the permanency of construction!

Always specify the Grip Lath Floating 'Wall System.

For fall details, contact