PyroPro® LST Fire Resistant Sealant
Verified by manufacturer 21 days ago
FS310CWLSTFP – 310 ml White
FS310CWLSTFP – 310 ml White
A water based, acrylic, ablative sealant.
Application
Application / use:
- Authorized for use on the London Underground network.
- To reinstate fire resistance through rigid floors.
- To reinstate fire resistance through rigid and flexible walls.
- Linear construction joints.
- Single service penetrations.
- Multi-service penetrations.
- Blank openings.
Description
PyroPro® LST Fire Resistant Sealant is a water based, acrylic, ablative sealant used to reinstate the fire resistance of wall and floor constructions in linear gap seals and where apertures are penetrated by single or multiple services. PyroPro® LST is authorised for use on the London Underground network, and other underground/ tunnel networks.
General information
Color | White Grey Other Guidance for specification option: Other colours available on request, consult manufacturer. |
Material | Acrylic Guidance for specification option: Water based acrylic sealant. |
Uniclass | |
CAWS | F30/610 Movement joints with sealant F30/670 Head of non-loadbearing walls F30/76 Movement joints with sealant K10/125 Metal stud partition system K10/15 Lining on timber K10/155 Wall lining system (metal studs) K10/165 Wall lining system (metal framing) K10/175 Wall lining system (metal furrings) K10/185 Wall lining system (adhesive) K10/205 Lining on timber K10/215 Suspended ceiling system K10/220 Proprietary suspended ceiling system K10/245 Ceiling lining on timber K10/25 Ceiling lining on timber K10/30 Metal stud K10/35 Wall lining system (metal framing) K10/41 Wall lining system (metal furrings) K10/45 Wall lining system (adhesive) M20/653 Sealant movement joints with stop bead edgings P12/390 Sealant P12/47 Sealant P12/48 Sealant – fire-resisting acrylic P31/40 Sealing around services P31/710 Sealing |
Product range |
Specification data - Acrylic construction joint sealants
Standard | To BS 6853 D8.3:1999 A, BS 6853: 1999 Annex B.1, BS EN ISO 4589-2: 1999; BS EN ISO 4589-3: 1996. |
Third-party certification | CE mark ETA-20/1004, ETA-20/1005; ISO 9001: 11378. |
Sealant type | Water based acrylic sealant. |
Colour | White.Other.Guidance for specification option: Consult manufacturer for other colour options. |
Fire performance | |
Fire resistance | To BS EN 1366-3:2009 and BS EN 1366-4:2006.Guidance for specification option:
|
Air permeability | To BS EN 1026:2000, 600 Pa. Guidance for specification option: BS EN 1026:2000 Windows and doors. Air permeability test method tested at 600 Pa (contact technical@fsiltd.com for details). |
Density | ~1.61 g/cm³. |
Drying time | ~40 minutes (23°C and 50% relative humidity). |
Application temperature | +5°C to +35°C. Guidance for specification option: For unopened material, store in a well-ventilated, dry, cool environment. Recommended temp ranges +5°C to +35°C. Protect against exposure to direct sunlight. Always ensure that safe manual handling procedures are followed at all times. |
Shelf life | 18 months. Guidance for specification option: If stored in accordance with storage conditions. |
Chemical resistance | Manufacturer guidanceNot to be used where joints are to be constantly immersed in water. Do not use on substrates that are likely to release solvents, oils or plasticizers. Not resistant to water, strong acids, strong bases, oxidizing agents (i.e hydrogen peroxide), alcohols, hydrocarbon solvents. |
Shore A hardness | To BS ISO 7619-1:2010, 66/31 (1 second/ 5 seconds). Manufacturer guidance(28 days) |
Mass | To ISO 10563:2005, 12–15%. Guidance for specification option: Determination of change in mass. |
Volume | To ISO 10563:2005, 2–4%. Guidance for specification option: Determination of change in volume. |
Sustainability data
Country of product manufacture | United Kingdom |
Material | Acrylic Guidance for specification option: Water based acrylic sealant. |
Manufacturing plant location |
Literature
TDS008 - V2.2 - PyroPro LST - Aug 2024