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Firestop Sleeve CFS-SL S

The Firestop Sleeve CFS-SL is a fire rated collar consisting of a corrugated steel tube with an inner plastic housing, intumescent material rings and tightly twisted, inner fabric. It is used for sealing around electrical and communication services that pass through fire-rated walls and floors.

Key Features
  • Easy to install and inspect
  • Fully functional immediately after inspection
  • Optimum smoke-proofing performance
Scope of Use

Firestop Sleeve CFS-SL is used as a sealing penetration for single cables and cable bundles, and is suitable for use in small to medium sized circular openings in wall and ceilings. It is applicable with concrete, masonry and drywall and is ideal for situations where cable configurations are regularly changed, such as in computer server rooms, event halls or production plants.

Hilti CFS-SL have been Appraised for use as fire collars for penetrations in fire rated walls and floors for sealing around electrical and communication services. Hilti CFS-SL are suitable for use through the following fire rated systems with fire resistance ratings (FRR) of up to -/120/120: Plasterboard lined walls with at least 26 mm lining thickness on each side, with light gauge steel or timber framing; and, concrete or concrete masonry walls with a minimum density of 550 kg/m3, a minimum thickness of 120 mm and a maximum thickness of 200 mm; and, concrete floors with a minimum density of 550 kg/m3, a minimum thickness of 150 mm and a maximum thickness of 200 mm.

Limitations on Use

Hilti CFS-SL must be used in closed, internal spaces, protected from excessive moisture, solvents, oxidising agents, acids and alkalis. They should not be exposed to ultra violet (UV) light in service.

Statement of Building Code Compliance

In the opinion of BRANZ, Hilti CFS-SL, if designed, installed, used and maintained in accordance with the statements and conditions of Appraisal No. 813 (2013), will meet, or contribute to meeting the following provisions of the NZBC:

Clause B2 Durability: Performance B2.3.1(b) 15 years and B2.3.2. Hilti CFS-SL meet these requirements.

Clause C3 Fire Affecting Areas Beyond The Fire Source: Performance C3.6. Hilti CFS-SL will contribute to meeting this requirement.

Clause F2 Hazardous Building Materials: Performance F2.3.1. Hilti CFS-SL meet this requirement and will not present a health hazard to people.

Hilti CFS-SL are an Alternative Solution in terms of New Zealand Building Code compliance.

B2 Durability compliant
F2 Hazardous Building Materials compliant
Hazardous Building Materials
Data Sheet
Environmental Information
Independent Appraisal (BRANZ)
Installation and Operation
Additional Information

Products offered by Hilti include powder-actuated fastening, drilling and demolition, diamond coring and cutting, measuring – construction lasers and sensors, firestop – passive fire resistance, screw fastening and adhesive and mechanical anchoring.

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