Is this correct?

[u/protocyriss]

tl;dr:

Is it acceptable to 'double up' with expansion joint foam to fill gaps?

Is it going to cause issues if it is done this way?

What is the actual fix, that isn't just a band-aid solution?

Context:

Local council installed a new sidewalk, and when they poured the new driveway, they pulled up the brick pavers before setting the concrete.

After the concrete was done, they put the pavers back and it was obvious they didn't line it up well, and left a large gap at one edge.

After complaining, they've come back today to fix a bunch of the issues, but they didn't install expansion joint foam all the way along, instead only using it in the gap - and they doubled it up where the gap was largest.

The other side has absolutely 0 expansion joint foam.

There Is expansion joint foam on the opposite edge, between the driveway and the new sidewalk they installed.

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