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January 23 - January 27, 2017

What are the pros and cons of using shotblasting to remove a coating system from a concrete floor?


Selected Answers

From Michael Quaranta of OPERATIONS 40 on January 24, 2017:
Bead blasting of concrete floors through the use of machines made by such companies as BlasTrac and BlastPro will achieve a specified Concrete Surface Profile such as CSP-3/4  without the release of dust in the process. Shotblasting, to me, is the use of a free exposure, sand-blasting, dust-producing system relying upon a trained operator to achieve the desired result.

From Greg Saunders of annex on January 23, 2017:
Getting a good profile on the concrete isn't a con. It is a vital part of achieving good adhesion. The cons are the dust caused by the blast media and its mitigation. The answer is good equipment and good containment policies.

From Brian E Bennett of Bennett Construction & Enterprises, LLC on January 23, 2017:
The profile that it will leave on the concrete is one of the cons of using shot blasting, and one of the pros is that it will remove all of the coating and clean the concrete.

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Tagged categories: Blasting; Concrete coatings and treatments; Good Technical Practice; Surface preparation


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