BI,UE DIAMOND CORPORATION

Here's the spot-. in the middlewhere WoLnanized. L'rnber belongs. Untreated lumber is food for fungus-moisture makes it grow. On Wolmanized Lumber decay fungus cannot grow-the Wolman Salts* preservative is fatal to it. Recommend Wolnani"ed Lumber generously for all subfloor and subshuctures . and you'll add years to the service life of your customer's buildings.

PRESSURE TREATTIENT.

DPjVES PROTECT'O'U' DEEP

You can't' just brush it on, you. can't dunk it on . . you've got to drive it into the fibers of the wood to get real protection. At American Lumber & Treating Company, we do it under great pressure in steel retorts. the protection is there for keeps. Sell these iacts to your customers.