This is a cache of https://www.owenscorning.com/en-us/insulation/products/hydrocal-b-11. It is a snapshot of the page as it appeared on 2026-02-06T07:49:17.415+0000.
Hydrocal® B-11 | Owens Corning <strong>insulation</strong>
Skip to main content

Hydrocal® B-11 is a a reactive gypsum product that is mixed with water to form an inorganic non-combustible adhesive or coating. The inorganic non-combustible adhesive or coating is used for fabricating, bore coating, or to form High Temperature reinforced FOAMGLAS® insulation shapes.

Service Temperature Limits: -450 to 900°F

U.S. Stock Item. Available in standard 50 pound bags.


Hydrocal® is a registered trademark of U.S. Gypsum
Package of Hydrocal B-11 gypsum cement

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

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.