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Sikasil®-670 Fire

Fire-rated joint sealant

  • Up to 4 hours fire resistance according to EN 1366-4 depending on the configuration
  • 25 LM sealant, maintain up to 25 % lateral movement capability during fire testing
  • Good adhesion to many construction materials
  • Very good resistance to weathering

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Sikasil®-670 Fire

Fire-rated joint sealant

Sikasil®-670 Fire is a fire-rated, one-part, moisture-curing, low-modulus, elastic joint sealant.

  • Up to 4 hours fire resistance according to EN 1366-4 depending on the configuration
  • 25 LM sealant, maintain up to 25 % lateral movement capability during fire testing
  • Good adhesion to many construction materials
ENVIRONMENTAL INFORMATION
  • Contributes towards satisfying Indoor Environmental Quality (EQ) Credit: Low-Emitting Materials under LEED® v4 — 1–3 points
  • Environmental Product Declaration (EPD) in accordance with EN 15804. EPD independently verified by Institut für Bauen und Umwelt e.V. (IBU)
APPROVALS / STANDARDS
  • CE marking and declaration of performance based on EN 15651-1:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 1: Sealants for facade elements
  • CE marking and declaration of performance based on EN 15651-2:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 2: Sealants for glazing
  • DoP Sikasil®-670 Fire – EAD 350141-00-1106:2017 – 56464597 – en
  • CE marking and declaration of performance based on EN 15651-4:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 4: Sealants for pedestrian walkways
  • European Technical Assessment 23/0134 of 2024/11/01 Sikasil-670 Fire
  • Fire Testing EN 13501-1, Sikasil-670 Fire, CSTB, Report No RA15-0053
  • Fire Stopping and Sealing Product, UL, No. UL-EU-01125-CPR
  • Airborn Sound Transmission EN 140-3, Sikasil-670 Fire, UKAS, Report No C/20664/R
  • UL Product iQ, XHBN.HW-S-0114 – Joint Systems, System No. HW-S-0114

Sustainability / Certifications / Approvals

ENVIRONMENTAL INFORMATION
  • Contributes towards satisfying Indoor Environmental Quality (EQ) Credit: Low-Emitting Materials under LEED® v4 — 1–3 points
  • Environmental Product Declaration (EPD) in accordance with EN 15804. EPD independently verified by Institut für Bauen und Umwelt e.V. (IBU)
APPROVALS / STANDARDS
  • CE marking and declaration of performance based on EN 15651-1:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 1: Sealants for facade elements
  • CE marking and declaration of performance based on EN 15651-2:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 2: Sealants for glazing
  • DoP Sikasil®-670 Fire – EAD 350141-00-1106:2017 – 56464597 – en
  • CE marking and declaration of performance based on EN 15651-4:2012 Sealants for non-structural use in joints in buildings and pedestrian walkways — Part 4: Sealants for pedestrian walkways
  • European Technical Assessment 23/0134 of 2024/11/01 Sikasil-670 Fire
  • Fire Testing EN 13501-1, Sikasil-670 Fire, CSTB, Report No RA15-0053
  • Fire Stopping and Sealing Product, UL, No. UL-EU-01125-CPR
  • Airborn Sound Transmission EN 140-3, Sikasil-670 Fire, UKAS, Report No C/20664/R
  • UL Product iQ, XHBN.HW-S-0114 – Joint Systems, System No. HW-S-0114
Backing Material

Use closed cell, polyethylene foam backing rod.

Sag Flow
20 mm profile, +50 °C 2 mm
Product Temperature
Maximum +40 °C
Minimum +5 °C
Ambient Air Temperature
Maximum +40 °C
Minimum +5 °C
Substrate Temperature
Maximum +40 °C
Minimum +5 °C

The substrate temperature must be +3 °C above dew point temperature and free from frost and ice.

Skin Time
+23 °C and 50 % r.h. 25 minutes
Tooling Time
+23 °C and 50 % r.h. 20 minutes

Product Enquiry

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Usage

Sikasil®-670 Fire is used for sealing the following types of joints:

  • Fire-rated movement joints
  • Fire-rated connection joints

Sikasil®-670 Fire is used on the following substrates:

  • Porous substrates
  • Non-porous substrates

Sikasil®-670 Fire is used for interior and exterior applications.

Advantages

  • Up to 4 hours fire resistance according to EN 1366-4 depending on the configuration
  • 25 LM sealant, maintain up to 25 % lateral movement capability during fire testing
  • Good adhesion to many construction materials
  • Very good resistance to weathering

Packaging

600 mL foil pack or 300 mL cartridge – 12 pcs per box

Refer to the current price list for available packaging variations.

Advantages

  • Up to 4 hours fire resistance according to EN 1366-4 depending on the configuration
  • 25 LM sealant, maintain up to 25 % lateral movement capability during fire testing
  • Good adhesion to many construction materials
  • Very good resistance to weathering

Colour

White, grey, black