FirePro® Flex Seal Coated Strip
FirePro® Flex Seal Coated Strip is designed for use in penetration seals within fire-rated constructions.
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Application(s)
- Fire-stopping
- Penetration Seals
Product description
FirePro® FirePro® Flex Seal Coated Strip is designed for use in penetration seals within fire-rated constructions. FirePro Flex Seal Coated Strip has been tested as a penetration seal to BS EN 1366-3: 2021 and has been classified for fire resistance periods of up to 120 minutes, subject to the application. FirePro Flex Seal Coated Strip can be used as a standalone penetration seal or as part of the CB50 coated batt seal. FirePro Flex Seal Coated Strip has replaced FirePro SoftSeal Coated Strip as the new EN-tested solution.
- Tested in accordance with BS EN 1366-3: 2021+A1: 2024
- Classified in accordance with BS EN 13501-2: 2023
- Certified by UL, Certification No: UL-EU-01351-EN
- Tested in accordance with BS EN ISO 10140-2: 2021 (airborne sound insulation)
- Tested in accordance with ASTM E2923-14 (longevity assessment of fire-stop materials)
- Non-combustible stone wool core
Areas of application
Applications for the FirePro® Flex Seal Coated Strip are:
- Designed for penetration seals within buildings, the FirePro Flex Seal Coated Strip can be installed into apertures within concrete floors, masonry walls, dry wall systems, or as a standalone seal for openings up to 1200mm x 2000mm
Documentation
Please select and download the documentation pertaining to this product. If you require any certification that is not listed here, please contact us via ukdocumentation@rockwool.com
FirePro Flex Seal Coated Strip Datasheet
A flexible fire-stopping penetration seal for service applications. Engineered to accommodate structural movement, the FirePro Flex Seal Coated Strip is designed for use in penetration seals within fire-rated constructions.
FirePro Flex Seal Coated Strip & Linear Joint MSDS 2025
Material safety datasheet: FirePro Flex Seal Coated Strip/FirePro Flex Seal Linear Joint
FirePro Flex Seal - UL-EU-01351-EN Certificate
Certificate No. UL-EU-01351-EN
FirePro Flex Seal Coated Strip UL- 4791606922.1 - Classification Report
This classification report defines the classification assigned to the element FirePro® Flex Seal Coated Strip, in accordance with the procedures given in EN 13501-2: 2023.
Republic of Ireland (ROI) Price List
Republic of Ireland Price List Feb 2026
Certification
UL-EU-01351-EN
Product properties
| Name | Value |
|---|---|
| Product standard | Tested in accordance with EN 1366-3: 2021 +A1:2024 |
| Fire performance | FirePro Flex Seal Coated Strip has been tested as a penetration seal to EN 1366-3: 2021 and has been classified for fire resistance periods of up to 2 hours (EI 120), subject to the application. FirePro Flex Seal Coated Strip has been certified by UL Certification No: UL-EU-01351-EN |
Product variants
Hands-on fire-stopping training
ROCKWOOL’s specially created expert led one-day course in fire stopping theory and practical installation practice for industry professionals.
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