FS703 Fire Resistant Silicone Sealant

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FS703 is a low modulus, neutral cure, silicone sealant, suitable for linear gaps sealing in order to reinstate the fire performance in compartment walls & floors.

Fire Rating: 240 Minutes

Usage/purpose

FS703 is designed to reinstate the fire performance of compartment walls and floors, by fire sealing linear joints left between different substrates.

FS703 Silicone is tested for many different applications and substrates:
- Static linear joints (masonry to masonry / rigid wall / rigid floor / flexible wall)
- Movement joints (20%) with FJ203 Fire Rope

Typical areas of use include: health and leisure facilities, schools, universities, modular construction, commercial buildings, hospitals, retail and industrial units, train stations, nuclear power plants, etc...

Always read SDS, pre-application guidance and relevant application detail prior to application. Ensure the latest documents are downloaded prior to every project commencement.

Do not use around CPVC pipes.
If used around Pegler X-Press Carbon Steel pipes, the pipe manufacturer should be consulted, and their recommendations followed.

Safety data sheet must be read and understood before use.

  • Up to 4 hours fire resistance - Tested to EN 1366-4
  • Tested in gaps 10 - 220mm
  • Ideal for joints in flexible walls, rigid walls & floors
  • Air pressure tested up to 600 Pa
  • Superior elasticity
  • Excellent tooling properties
  • UV & weather resistance
  • 20% movement tested (together with FJ203 Fire Rope)
FS703 Declaration of Performance (en-GB).pdf Declaration of Performance
NF_FS703_DOP_CE_en-GB_v1.pdf Declaration of Performance
NF_FS703_DOP_UKCA_en-GB_v1.pdf Declaration of Performance
MSDS;_A-N-FS703;_(v13-GB-EN).pdf Safety Data Sheets
FS703 Technical Data Sheet (en-GB).pdf TDS