Cumpston Research

There is a web reference to the following book:

Structural waterproofing
a waterproofing handbook and reference guide ... in the general subjects of waterproofing and dampproofing.

 Published 1919 by The Truscon laboratories in Detroit, Mich.

The book has been reprinted in 2010 and the following can be found  :

BiblioBazaar, 8 Aug 2010 - 92 pages. This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
The Smithsonian Institute
also has a number of references to publications by the firm.
If you wish to read the book there is an e copy available free of charge at

structural waterproofing truscon

L. E. Peterson of the Truscon Laboratories in California came on April 20, 1933, to apply his company's product "PeneTex." Since rain had made the walls wet, he had to delay his experiment. Consequently, he talked Custodian Hilding Palmer into letting him remove a small section of the concrete plaster so he could apply the chemical to a dry area beneath the concrete.

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