Firex® 921 MS
High performance elastomeric intumescent expansion joint sealant.
- Public buildings.
- Sports stadia.
- Hospitals.
- Schools.
- Hotels.
- Factories and offices.
- Railway and airport terminals.
- Off shore structures.
- Oil terminal Bund walls.
- Oil terminal floor slabs.
Single part fire rated MS Polymer based sealant designed for sealing expansion joints and compression joints where frequent movement is anticipated as part of a fire resistant assembly. The sealant is formulated to intumesce on exposure to high temperatures to form a fire and smoke resistant joint seal.
It is non-hazardous, will not emit halogenated by products under fire conditions and contains no raw materials known to have an oestrogenic effect in the environment. The sealant offers excellent levels of adhesion to most construction substrates and can be overpainted with oil, polyurethane or latex paints.
Features/ Benefits:
- Swells at high temperature (250°C) to give a fire and smoke resistant seal.
- Four hour fire rating.
- Environmentally friendly.
- Paintable.
- High movement accommodation.
- Resistant to UV Light.
- Elastomeric intumescent seal.
- Abrasion resistant including foot traffic.
Applications:
- Public buildings.
- Sports stadia.
- Hospitals.
- Schools.
- Hotels.
- Factories and offices.
- Railway and airport terminals.
- Off shore structures.
- Oil terminal Bund walls.
- Oil terminal floor slabs.
| Uniclass 2015 | |
| CAWS | F30/610 Movement joints with sealant F30/670 Head of non-loadbearing walls H42/661 Sealant joints H51/610 Sealant jointing H51/630 Sealant movement/ Other joints H92/770 General sealants L10/75 Sealant joints L10/810 Sealant joints L20/80 Sealant joints L20/820 Sealant joints M40/75 Sealant movement joints M40/805 Sealant movement joints with metal edgings M40/815 Sealant movement joints M41/455 Sealant movement joints with metal edgings P12/160 Linear gap sealing |
| Product Reference | Firex® 921 MS |
| Colour | GreyWhite |
| Standard product features | Technical properties:
|