Straight Shooter–Will Rogers Doesn’t Mess Around When it Comes to Airport Expansion Joint Water Tests (Retrofit 2012-2013)
Oklahoma City, OK–When it came down to water testing the central parking garage expansion joints at Will Rogers airport, these guys didn’t mess around.
They just called out their own fire and rescue department, cranked up a hose and blasted water down the runs of EMSEAL’s DSM System.
Not the least of these is that it is watertight.
The DSM System is manufactured at an uncompressed dimension more than twice the intended joint opening.
It is intentionally built up from vertically-aligned, self-adhering, compression-bonded laminations that, when compressed within its offered movement range, form a monolithic, resilient, tough hybrid of uniformly-impregnated foam and silicone sealants.
For shipment it is compressed to less than the joint size and held at this dimension in its packaging. When released from its packaging, the material gradually opens. The rate of opening allows time to apply an epoxy to the foam and to get the material into the joint.
Once locked between the substrates, the DSM material continues to expand as it attempts to recover to its full expanded dimension. This means that a backpressure minimizes the tension on the bond line between the foam backing and the substrate while the factory-formed silicone bellows is never in tension.
The DSM System from EMSEAL is supplied in two meter (6.56 LF) lengths. While joining these lengths together is sometimes criticized, it is actually this feature that makes the product uniquely able to address inevitable variations in joint size.
And even the Will Rogers World Airport Fire and Rescue had to agree–the joins between lengths and at dozens of crosses, are watertight.