Intumescent solutions for firestopping applications.
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ZERO’s many years of leadership and innovations in developing fire and smoke seals for international and U.S. positive pressure code requirements have produced top-quality components and engineered gasketing systems that meet the highest standards of design and life safely. Our expertise in intumescent technology provides special value for the entire building team spanning a wide range of fire protection applications.
ZERO intumescent solutions meet the highest standards in the industry for reliability and performance.
See catalog details on fire and smoke ratings by model number.
See catalog for dimensions, drawings, available options and certifications for each part number.
Surface Applied Intumescent Seals: Our extruded, surface-applied fire and smoke seals are engineered for improved performance and shelf life. These self-extinguishing, flame-retardant seals are formulated with a proprietary chemistry using silicone and intumescent material.
Head & Jamb Intumescent Seals: Intumescent fire seals for use where smoke and draft control is not required. Mortised into wood doors or frames, or into edge strips of wood or composite door leaf. Wide range of choices tested to positive pressure standards.
Automatic Door Bottoms: Mortised and surface applied options available with intumescent material for fire protection applications.
Catalogs
Full Line Zero International Catalog
Brochure
Zero Product Solutions E-Brochure
Additional Resources
Intro to Thresholds and Gasketing White Board Video
iDigHardware.com – answers to your door, hardware and code questions from Allegion’s Lori Greene
LEED Certification – Recycled Content ZERO International
CAD Drawings and Cut Sheets
Find CAD Drawings and Data Sheets (Cut Sheets) in the Document Library
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