Current News

New Warehouse

GPK Products, Inc. / Indiana Seal is pleased to announce the addition of GOC South in the state of North Carolina to our warehouse network.  GOC South brings an experienced sales team and extensive inventory to their local warehouse.

April 2018 GPK Rigid Fitting Price Increase

Due to various cost increases, GPK Products, Inc. will implement a 7% price increase on all rigid PVC sewer fittings effective April 9, 2018. This price increase does not currently affect list prices for GPK Drain Products or Indiana Seal coupling prices. New list prices will be available shortly at New price books will be distributed when available. Please contact your Regional Sales Manager with any questions. Thank you for your continued support.

April 2018 Adobe pdf and Excel version price pages now available in the downloads section. 

2017 Price Increase

Hurricane Harvey is having a significant impact on the PVC supply chain.  We have begun to see increases in resin and pipe prices.  As a result of these increases, we find it necessary to increase our GPK Products sewer fittings list prices by 15%.  The effective date will be October 30, 2017.

New Florida Representation

GPK Products, Inc. / Indiana Seal is pleased to announce Specified Sales Associates is our rep in the state of Florida (excluding Panhandle West of the Apalachicola River).  Specified Sales Associates brings an experienced sales team and will inventory at their local warehouses.