Y(lUR ATTElITI(l]IN PtEA$E!

An Important Addition to the Celotex Line . . . . Water and Vaporproof Insulation Block

) Thls drauing thous you emctly lwu a milk Mling tank is builtand lnrticulanly hou the Czlote, Insulation Bluk is wed-

I S every dairy fanner knows, a properly constructed r r and efrectively iruulated Milk House with Cooling Tant is essential to quality milk. Temperature must be controlled and this can be accomplished only by thorough insulation.

Celotex now of,ers a new insulation blocL for uae in insulating milt cooling tanks that hac the vastly inportant advantage of being completely water and vaporproof. lfere, therefore, ic an addition to the Celotex line that provides the dealer with an opportunity for new and pro6table bueiness.

Read This Description of the New Block

A solid block of thoroughly dry, cpecial low-denrity Celotex, three inche* thict, ic the foundation of this inculation bloc&. The low-denrity Celotex hac opecial insulation value -it is the same material used to insulate rc meny nationally &nown refrigerator boxer and refrigerator car*.

Thig bloct of Celotex i* wrapped in duplex Aaphalt paper, coneieting of two thicknessec of heavy ktaft paper with fifty lbc. of odorlece acphalt per ream between Thir vaporptoof membtane ic water and vaporproof becaure of the unusually heavy 6lm of acphalt.

As further innrrance againet water and vapor penetration, an asphalt fiLn ic used to bond the Celotex bloct to itc special paper covering. Special methoda used to ceal edges and corners, recult in a f,nighed product thoroughly protected against penetration of moicture.

For complete information on the water and vaporproof insulation bloc&, write the Celotex Farm Service Buneau, 919 North Michigan Avenue, Chicago, Illinois.