LEADING

REFRIGERATING ENGINEERS ..... GAVE THEM THE ANSWER

Refrigerating Engineers have a much more difficult insulation probl,:m than home owners, as cold storage entails a much wider differential berween inside and outside temperatures. More and more leading engineers are finding PALCO BARK the ideal insulation for commercial refrigeration. Likewise, home ov/ners, who also want insulating efficiency at lowest possible cost, are rapidly discovering its merits.

PALCO BARK is easy to install in both new and old structures. Made from the bark of the Redwood... oldest living thing...it retains its insulating efficiency indefinitely. It is ododess, repels rodents and insects and is not affected by moisture. It is fire-retardent and by stopping drafts in walls gte?dy reduces firehazards. Its light weight and low cost Per cubic foot make it more economical to use than any other Permanent insulating material of equal efficiency.

When you sell on order of Petco BARK you not only creote EXTRA profit for yourself, but you give your cuslomer o product thot octuolly poys for itself in fuel sovings. Suggest PALCO BARK on every iob... ond wotch results!

Sendfor FREE SAMPLE of tbe ueu, inproued PALCO BARK los ANcElrs

"\[hen we built, we decided to make our home modern in comfort as well as style. Palco Bark has made our house easy to heat, and cool in summer. Vhile outside temPerature was lO7"-inside it was 78o. In insulation value it is beyond our exPectation."