2017 Price Increase
09/06/17

Hurricane Harvey is having a significant impact on the PVC supply chain.  We have begun to see price increases in resin. As a result of these increases, we find it necessary to increase our Indiana Seal PVC flexible couplings list prices by 15%.  The effective date will be October 1, 2017.

AIS Compliant
06/03/15

Indiana Seal will meet AIS  or "American Iron and Steel"  requirments.

Please specify when you need AIS compliant couplings to ensure all items are produced in a manner compliant.

New February 2, 2015 List Prices Available for Download
01/16/15

The New February 2, 2015 List Prices are available to download in Excel or Adobe pdf.

You can find them in our downloads section.

February 2015 Price Increase
12/05/14

Due to market conditions GPK Products, Inc. will implement a 15% list price (current list price x 1.15) on the PVC Fittings and Drainage Products catalogs on February 2nd, 2015.

We are also announcing a 2% list price increase on Indiana Seal (current list price x 1.02) On Monday February...