TL-0030 (AP) — Shelf Life/Storage and Handling of GCP Applied Technologies Waterproofing and Air Barrier Products Technical Letter

The shelf life of GCP Applied Technologies (“GCP”) structural waterproofing and air barrier products (BITUTHENE®, PREPRUFE®, PROCOR®, and PERM-A-BARRIER®,brand Membrane products) is highly dependent on the conditions under which these products are stored. These products should be stored in their original, unopened packaging at ambient temperatures between 40°–90°F (5°–32°C) and should be stored under shelter. Liquid products must be protected from freezing. Specific product requirements are given below.

  • Sheet Membranes (including, but not limited to, PREPRUFE®, BITUTHENE®, and BITUTHENE®, Low Temperature, and, PERM-A-BARRIER®, Membranes and Flashings are subject to a shelf life of one year from the date of manufacture.
  • Liquid Applied Membranes (including SILCOR®, AQUELLA™, PROCOR® 10, PROCOR® 20, PROCOR® 75, and PERM-A-BARRIER®,Fluid Applied Membranes) are subject to a shelf life of 9 months from the date of manufacture. Please refer to the product datasheets for more storage information. Products must remain tightly sealed against moisture/humidity ingress.
  • Primers and Conditioners (including, but not limited to, BITUTHENE®, Primer N & B2, BITUTHENE® Primer WP-3000, PROCOR® Concrete Sealer, PERM-A-BARRIER® WB Primer, PERM-A-BARRIER® Primer Plus, SILCOR® Primer BS, SILCOR® Primer BW N105/ECO and SILCOR® Primer EPS): To prevent product instability and damage to the packaging caused by the expansion of the product during freezing. Exposure to temperatures below freezing and Freeze-thaw cycling must be prevented. All GCP primers and conditioners are subject to a shelf life of one year from the date of manufacture.
  • Ancillary Products (including, but not limited to, BITUTHENE® Liquid Membrane, PREPRUFE® Tapes, ADCOR® Hydrophilic Waterstop and ADCOR® Adhesive) are subject to a shelf life of one year from the date of manufacture.

For Australian and New Zealand products, please refer to the Technical letter 30AP-ANZ product list. For further information, including the date of manufacture, contact your local GCP representative.

gcpat.com.au | Australia customer service: 1800 855 525

Australia 1800 855 525 New Zealand 0800 552 235 China Mainland +86 21 3158 2888 Hong Kong +852 2675 7898 India +91 124 488 5900 Indonesia +62 21 893 4260 Japan +81 3 5226 0231 Korea +82 32 820 0800 Malaysia +60 3 9074 6133 Philippines +63 49 549 7373 Singapore +65 6265 3033 Thailand +66 2 709 4470 Vietnam +84 8 3710 6168

We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us. No statement, recommendation, or suggestion is intended for any use that would infringe any patent, copyright, or other third party right.

PREPRUFE® is a trademark, which may be registered in the United States and/or other countries, of GCP Applied Technologies, Inc. This trademark list has been compiled using available published information as of the publication date and may not accurately reflect current trademark ownership or status.

© Copyright 2019 GCP Applied Technologies, Inc. All rights reserved.


GCP Applied Technologies Inc., 2325 Lakeview Parkway, Alpharetta, GA 30009, USA
GCP Australia Pty. Ltd., 14 Colebard Street West, Archerfield, Brisbane, Queensland 4108, Australia
This document is only current as of the last updated date stated below and is valid only for use in Australia. It is important that you always refer to the currently available information at the URL below to provide the most current product information at the time of use. Additional literature such as Contractor Manuals, Technical Bulletins, Detail Drawings and detailing recommendations and other relevant documents are also available on www.gcpat.com.au. Information found on other websites must not be relied upon, as they may not be up-to-date or applicable to the conditions in your location and we do not accept any responsibility for their content. If there are any conflicts or if you need more information, please contact GCP Customer Service.

Last Updated: 2023-07-06

https://gcpat.com.au/en-gb/solutions/products/tl-0030-ap-shelf-lifestorage-and-handling-gcp-applied-technologies-waterproofing