[Shop-talk] Caulking driveway seams

[David C.]

I would clean out the joints, put a foam backer rod in the gap, and then 
fill over it with a polyurethane sealant like this:
> http://doitbest.com/main.aspx?memberid=1875h&associate=true&pageid=64&sku=272109

Dave C

Ron & Mary Trimmer wrote:
> When I poured my driveway, I used one inch cedar boards to divide the
> sections, provide strike off surfaces, and to serve as expansion joints.
>
> Many years have passed.  Lots of the boards have rotted out.
>
> I want to caulk the gaps and seek recommendations on how to do it.  I
> remember someone recommended sand to within a certain distance of the top
> and caulking on top of the sand.  Does that work or is there something
> better.
>
> I know there is self leveling caulk that can be used.  I did get an air tool
> power caulk gun some years ago in anticipation of the project.
>
> Thanks for sharing your experience.
>
> Ron Trimmer
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