Problem Solving Forum

December 11 - December 18, 2015

We are trying to remove an old, coal tar-based, rubberized waterproofing membrane from a concrete substrate. In some areas it pulls off and in others the adhesion is tenacious. What are some suggestions on increasing the efficiency of this process?

Selected Answers

From Guus van Wyk of sigma paints sa ltd on December 18, 2015:
Because the membrane is rubberised, hard particles more

From Richard Tomnan of Torus Solutions on December 15, 2015:
I suggest you refer to ICRI Technical Guideline 31 more

From john schultz of o-gee paint co on December 15, 2015:
It would be helpful to know the size and orientati more

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