A study of paint application problems under these changed

Circumstances brought out the importance of the Priming Coat. Prior to the discovery of Vitolized Oil, little or no attention was given to the part which the priming coat played in achieving satisfactory results.

The general practice had been to attempt to overcome the difficulties involved in exterior painting by providing a first coater that would penetrate deeply into the wood, the theory being that such extreme penetration would seal and satisfy the absorption.