Specified Technologies FS400 SpecSeal 4" Ready Sleeve

For fast, reliable firestopping of security, surveillance and network cabling, the Specified Technologies SpecSeal FS400 4 in Ready Sleeve delivers a complete, contractor-friendly solution. Designed for new cabling penetrations, this Fire Suppression & Safety product includes a preformed steel sleeve with rolled edges, oversized escutcheon plates with intumescent gaskets, and a supply of SpecSeal SSP Firestop Putty to simplify installs. The 4 in diameter sleeve and steel material provide a durable pass-through for CCTV, access control and monitoring cables while the kit is sized for assemblies up to 10 in thick, maintaining fire-rated separations and minimizing on-site fabrication. By eliminating the need for separate bushings, straps or strut, the Ready Sleeve reduces labor time and inventory for IT and low-voltage teams, delivering a neat, code-conscious finish that supports long-term system reliability. Ideal for security, networking and infrastructure projects, the SpecSeal Ready Sleeve helps streamline compliance and protect sensitive cabling. Add to your next installation for faster, cleaner firestop penetrations and improved uptime—order now for project-ready firestop performance.

• Speeds installation and reduces labor: complete ready-to-fit kit with preformed 4 in steel sleeve, escutcheon plates and SpecSeal SSP firestop putty
• Maintains fire-rated integrity for cabling penetrations in walls up to 10 in thick, protecting critical security and surveillance cabling
• Eliminates additional bushings and strut supports with rolled sleeve edges and intumescent gaskets for a clean, code-conscious finish
• Durable steel construction resists damage during installation and supports long-term network and monitoring infrastructure
• All-in-one solution reduces parts handling and site complexity for IT, low-voltage, and fire suppression contractors