Good Technical Practice
Concrete Sealers

From D+D Print, June 2013

by Jayson Helsel, KTA-Tator, Inc.

Applying concrete sealers over new or existing concrete is a practical solution for protecting vulnerable surfaces from water and contaminants. This article looks at the range of sealing options and typical application practices....
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Tagged categories: Chlorides; Concrete; Good Technical Practice; KTA-Tator; Sealant; Silicone; Surface preparation

Comment from Brian Whewell, (6/18/2013, 8:06 AM)

Linseed oil? That seems like really old technology not to mention it being a food source for microbials.


Comment from John Fauth, (6/18/2013, 8:27 AM)

It's my opinion the term "sealer" is badly misused throughout this article.


Comment from Pierre Hebert, (8/16/2013, 8:17 AM)

This is a great article Jayson! Will you consider writting about also elastomeric and cenemtitious coatings as other options for concrete protection?


Comment from jon gilbert, (1/28/2014, 9:11 AM)

John, thanks for the opinion but unless you elaborate your statement is worthless.


Comment from John Fauth, (1/29/2014, 9:06 AM)

Jon, it means that water repellency and sealing are not synonymous. I can elaborate further if needed.


Comment from Tom Schwerdt, (1/30/2014, 8:44 AM)

Brian, linseed oil may seem like “really old technology” - but it works. It also has some advantages over silanes: An inspector can easily make a visual assessment of the surface after application and determine whether it has been properly applied or not (can't do this with silanes.) Linseed oil doesn't "flash off" high temperature surfaces (silanes do) - such as concrete in the sun during the summertime. A "bad batch" of linseed oil is easily detected in the field - not so with a silane.


Comment from Michael Quaranta, (1/30/2014, 1:50 PM)

It sure took a while for some of these comments. There needs to be the product identification like a sealer and then the objectives of the product and then a statement of sustainability and exposures like UV, etc. Along the way can we please get rid of the invented word cementitious??? It is not in the Websters or Oxford


Comment from Tom Schwerdt, (1/31/2014, 8:58 AM)

Cementitious is in the FSCT Coatings Encyclopedic Dictionary, Wikipedia and Miriam Webster online. I don't have the updated/current OED handy, but would be surprised if it is not in there.


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