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Concrete Footings and Slabs

How to Install a Slab Isolation Joint so Badly it Fails

If your engineer said this:

Engineer's drawings for an isolation joint

And you got this:

Picture of a concrete isolation joint that has not had the joint sealant installed

Then you haven’t yet got this:

And you might get this:

Cracks in the walls of a house. on the right hand side of a door frame.

So call this:

+61731022835

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 concrete slab isolation joint at a column.

Not like this!!!

The Abelflex in this joint was installed upsidedown. The tear off strip is on the bottom.

(Dum-Dum)

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

Isolation joints installed badly can cause your house to crack. Just about every time an isolation joint is specified by an engineer it is specified correctly. SO builders and concreters are letting homeowners down.

Beware. Poorly installed isolation joints can cause a house to crack.

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