This is a cache of https://www.owenscorning.com/en-us/insulation/products/pittseal-cw-sealant. It is a snapshot of the page as it appeared on 2026-09-24T09:32:57.305+0000.
PITTSEAL® CW Sealant | Owens Corning Insulation Skip to Main Content

PITTSEAL® CW sealant is a high-performance, MS polymer-based insulation sealant, specifically formulated for FOAMGLAS® insulation systems in chilled water service. This pipe insulation sealant offers the advantages of both silicone and polyurethane sealants in a single product.

Benefits of this insulation sealant:

  • VOC-compliant formulation
  • UV and mildew resistant
  • Strong adhesion and durability
  • Primer-free application
  • Compatible with a wide variety of coatings

Service Temperature Limits: -75 to 220°F

U.S. Stock Item. Available in 2-gallon pails and 10.3 ounce cartridges (12 / Case).

Certified to meet the general requirements for SCAQMD Rule 1168, October 6, 2017, Adhesive and Sealant Applications, as analyzed by the methods specified in Rule 1168.
2 gallon pail and a 10.3 ounce cartridge of Pittseal CW sealant

products for everywhere you work

Depending on where the project you are building is located, there may be slight differences in product availability and data. Right now you are looking at a product that is available for the United States. If you are working on a project outside of the United States, please visit that regional site to see product availability and product data.


Europe

Middle East (English)

Visit Site

Other Countries (English)

Visit Site

Applications

PITTSEAL® CW Sealant is designed for use with FOAMGLAS® insulation systems in chilled water applications where long-term moisture protection is critical. It is well suited for sealing chilled water piping systems in commercial and industrial facilities, including data centers that utilize FOAMGLAS ONE® insulation.

  • Accessories and Specialty
  • Accessories and Specialty > Accessories & Facings
  • Pipe and Equipment
  • Pipe and Equipment > process Piping
  • Pipe and Equipment > process Piping > Above Ground Piping
  • Pipe and Equipment > process Piping > Above Ground Piping > Ambient Piping (Freeze protection)
  • Pipe and Equipment > process Piping > Above Ground Piping > Steam and Chilled Water Piping
  • Piping
  • Piping > process Piping
  • Piping > Steam and Chilled Water Piping
  • Piping > Steam and Chilled Water Piping > Chilled Water Piping

Contact Us

Even though we're a global company, we're always ready to answer your questions. Call to speak with an Owens Corning representative.