Isolation Joints and Slabs

If your engineer said this:

Sealant required at isolation joint

And you got this:

Then you haven’t yet got this:

And you might get this:

Cracks in walls

So call this:


To get this:

Logo for Cornell Engineers Structural Engineers

And be this:


Because your Isolation Joint should look like this:

Picture of a correctly sealed Abelflex joint

Not like this!!!

Upsidedown Abelflex Joint


PS. Thanks to M.S. for the photos. Looks great now!!