Firestop Plug, 4 In. W, 3 In. H MPN:FP400
Firestop Plug, 4 In. W, 3 In. H
Protect your building's integrity with the STI Firestop Plug, a 2-hour fire-rated solution for blank openings, cables, conduit stubs, and sleeves. Made from intumescent material, this plug expands up to 10 times its original size when exposed to heat, effectively sealing gaps and preventing the spread of fire. Suitable for use on concrete, gypsum, and other materials, this plug is ideal for commercial and industrial applications, providing peace of mind for building owners and occupants. Its compact size and easy installation make it a convenient solution for a wide range of firestopping needs.
Top product features:
- Interlocking No, implies a user benefit of easy installation or reduced installation time.
- Expansion Volume 10X, implies a user benefit of increased fire-stopping effectiveness.
- Expansion Temperature 350 Degrees F, implies a user benefit of reliable performance in high-temperature conditions.
Top product applications:
- Blank Openings
- Cables
- Conduit Stubs and Sleeves
Firestop Plug, Fire Rating 2 hr, Fire Resistance Type Intumescent, Firestop Type Plug, Interlocking No, Overall Height 3.1 in, Overall Length 4.64 in, Overall Width 4.64 in, Color Red, Expansion Temperature 350 Degrees F, Expansion Volume 10X, Features No Expiration Date, For Material Type Concrete, Gypsum, For Use On Blank Openings, Cables, Conduit Stubs and Sleeves, Maximum Service Temperature 130 Degrees F, Plug Diameter 4 in, Standards ASTM E814, CAN/ULC-S115, UL 1479
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 12.30
- Package Width: 10.30
- Package Height: 7.70
- Package Weight: 5.43
Product info last updated on February 20, 2026 12:44pm UTC
Category: Facility and Worksite Safety