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SpecSeal® BLU/BLU2 Wrap Strips are versatile, high‑performance intumescent firestop wraps…
SpecSeal® RED/RED2 Wrap Strips are high‑performance intumescent firestop wraps available…
SpecSeal® SSW Wrap Strips are versatile, high‑performance intumescent firestop wraps…
Ensure passive fire protection compliance across combustible penetration systems with Specified Technologies Inc. (STI) Firestop Wraps. Ingenious Fixing Solutions is an authorized distributor of STI firestop systems across Pakistan, delivering UL-certified passive fire safety solutions for MEP contractors, structural engineers, and commercial developers.
STI Firestop Wraps are highly flexible, intumescent strip systems engineered to seal annular spaces around plastic pipes, insulated metal pipes, and cable bundles where they penetrate fire-rated walls and floor assemblies. Upon exposure to heat, these specialized wrap strips expand rapidly to form a dense, insulating char that seals off melting penetrants and prevents the passage of fire, smoke, and toxic gases.
Combustible penetrations like PVC, CPVC, ABS, and insulated pipes present unique fire safety challenges. As heat destroys the pipe material, it creates a direct pathway for flame and smoke spread. STI SpecSeal® Intumescent Wrap Strips provide high-expansion performance to close these voids instantly.
Rapid Intumescent Expansion: Expands up to 30 to 40 times its original volume, generating high expansion pressure to quickly collapse soft or melting plastic piping.
UL & International System Testing: Extensively tested in accordance with ASTM E814 (UL 1479) and CAN/ULC-S115 for fire ratings up to 3 and 4 hours.
Flexible & Easy Cut-to-Length: Convenient roll format allows field technicians to quickly measure, cut, and wrap exact pipe diameters without waste.
Water & Moisture Resistant: Formulated to withstand job site exposure and high humidity without swelling or losing intumescent potency before activation.
Versatile Application: Can be installed with restraining collars (STI Restraining Collars / Steel Collars) or embedded directly into concrete floor or wall openings using firestop mortar and sealants.
Explore STI’s industry-leading SpecSeal® wrap strip technologies supplied nationwide by Ingenious Fixing :
Overview: A highly flexible, strip-form intumescent wrap designed for difficult, large-diameter, or non-metallic penetrations.
Primary Use: Ideal for combustible plastic pipes (PVC, CPVC, PP, PVDF, ABS) up to large nominal diameters, as well as insulated metal pipe penetrations.
Key Advantage: High volume expansion delivers reliable closure even on heavy schedule 40 and schedule 80 plastic piping systems.
Overview: Rapid-expansion intumescent wrap strip engineered specifically for non-metallic pipe penetrations in fire-rated floor and wall constructions.
Primary Use: Combustible drain, waste, and vent (DWV) piping systems, closed-loop plastic piping, and flexible tubing penetrations.
Key Advantage: Cost-effective and highly versatile for standard commercial and residential MEP penetrations requiring 1 to 4-hour fire ratings.
STI Firestop Wraps are specified across MEP (Mechanical, Electrical, Plumbing) installations in commercial, industrial, and residential projects:
Plastic Plumbing & Waste Pipes: PVC, CPVC, ABS, PP, and PVDF penetrations through concrete slabs and gypsum board wall assemblies.
Insulated Metallic Pipes: Chilled water, refrigerant, and hot water metal pipes wrapped in combustible insulation (elastomeric foam, fiberglass, or polyolefin).
Cable Trays & Bundles: Multi-cable penetrations and data conduit openings requiring flexible intumescent edge sealing.
Retrofit & Maintenance Firestopping: Ideal for existing penetration upgrades where pre-fabricated solid firestop collars cannot be slid over installed piping.
| Feature / Attribute | SpecSeal® Wrap Strip Specifications |
| Manufacturer | Specified Technologies Inc. (STI Firestop) |
| Expansion Temperature | Begins expansion at ~350°F (177°C) |
| Volumetric Expansion | Up to 30x–40x unconstrained expansion |
| Fire Resistance Ratings | Up to 3 or 4 Hours (System Dependent) |
| Testing Standards | ASTM E814 / UL 1479, CAN/ULC-S115, EN Standards |
| Chemical Resistance | Resistant to water, common construction chemicals, and mold |
Clean Penetration Area: Ensure the penetrant surface and surrounding annular gap are clean, dry, and free of dust or debris.
Wrap & Layering: Wrap the required number of SpecSeal® BLU or RED strip layers tightly around the pipe as mandated by the specific UL Listed System detail.
Secure Wrap: Secure the strip in place using integrated adhesive, tape, or steel tie-wire.
Anchor & Restrain: If required by the tested system, slide an STI Restraining Collar over the wrap and anchor it to the substrate, or recess the wrap directly into the slab opening and seal with compatible STI SpecSeal® Firestop Sealants or Mortar.
To build a fully compliant, UL-tested passive fire protection assembly, pair your STI Wrap Strips with complementary STI firestop products:
Need technical submittals, UL system drawings, or project volume pricing for STI Firestop Wraps in Pakistan? Contact the engineering support team at Ingenious Fixing Solutions for expert specification assistance:
Islamabad Office: +92 51-2806301-2
Karachi Office: +92 21-34548345-48
Lahore Office: +92 322-9922884
Email: info@inepgroup.com
Our team is ready to assist you with every detail of brand & project estimations.
