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THE NASTY BUG: PLEASE NOTE... We are currently working remotely but can take most phone calls and our distribution service is still operational for most stock items.
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PyroJoint - Acoustic / Intumescent Expansion Joint Seal
Product Code: FR100 - FR290
Availability: Estimated 1 week
Download Description: For Registered Users Only
Availability: Estimated 1 week
Download Description: For Registered Users Only
Price: Request Quote
Qty:
This product has a maximum quantity of 50
This product has a minimum quantity of 10
PyroJoint - Acoustic / Intumescent Expansion Joint Sealer
- BS 476: Part 20
- PR EN1336-4
- Up to 4 hours' fire resistance
- Weatherproof & water resistant
- Suits internal/external applications
- Cost effective to install
- Performance temperature between -30°C to +130°C.
Areas of use
- Between steelwork and blockwork where deflection and movement could occur
- In movement joints with blockwork walls and floors
- Top of wallhead to the underside of the floor - although gaps could be uneven - PyroJoint Intumescent Expansion Joint Seal is extremely compressible and should accommodate any irregularities
- Around mechanical services such as pipes and ductworks etc.
- PyroJoint is an extremely versatile filler materia
Description
The sub-division of compartments in a building - if effectively fire stopped - will prevent the spread of fire and smoke through fire resisting and separating elements. All expansion and movement joints in a fire separating wall and floor must be fire stopped with a proprietary material that will accommodate the required movement while providing the necessary degree of fire integrity.
The PyroJoint Intumescent Expansion Joint Seal is manufactured using various thicknesses of flame retardant open cellular foam, fire rated to achieve Class 1 and Class 0 when tested to BS476 Part 20. Expandable, graphite based intumescent is factory sprayed onto both sides of the foam, forming a compressible fire resistant joint filler which is resistant to moisture attack.
The graphite based material starts to intumesce around 115°C on the fire side of the joint whilst the fire rated foam gradually compresses allowing the expanding mass of intumescent graphite to totally seal the opening.
This carbonaceous char formed by the graphite will prevent the spread of fire through the joint thus ensuring the integrity of the compartment wall/floor is maintained.
Example of options
1 no. PyroJoint 20/120FR fire sealing a 15mm gap for 2 hours
OR
2 no. PyroJoint 20/60FR fire sealing the same size gap for 2 hours
Installation
Installation is easily effected by compressing the pre-cut PyroJoint Intumescent Expansion Joint Seal and inserting into the joint and releasing. A minimum compression of 15% per thickness of material is recommended to ensure a rigid friction fit although it can be compressed to 50%.
Supplied in 1m lengths that can easily be butted together. Cutting can be done with a fine toothed hacksaw, making sure that the ends are cut square.
If you have very rough concrete joints then we can supply a slightly different intumescent strip material which is designated 'FR-L'
| Gap width | Product reference for gap size in relation to fire resistance | |||
| FR 60 Mins | Part Code | FR 120 Mins | Part Code | |
| 10mm | 10/60FR | FR100 | 10/120FR | FR200 |
| 20mm | 20/60FR | FR110 | 20/120FR | FR210 |
| 30mm | 30/60FR | FR120 | 30/120FR | FR220 |
| 40mm | 40/60FR | FR130 | 40/120FR | FR230 |
| 50mm | 50/60FR | FR140 | 50/120FR | FR240 |
| 60mm | 60/60FR | FR150 | 60/120FR | FR250 |
| 70mm | 70/60FR | FR160 | 70/120FR | FR260 |
| 80mm | 80/60FR | FR170 | 80/120FR | FR270 |
| 90mm | 90/60FR | FR180 | 90/120FR | FR280 |
| 100mm | 100/60FR | FR190 | 100/120FR | FR290 |
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