Everbuild Everflex Firesil Pyro Mate Fire Rated White Silicone Sealant 486041 Box of 12
Trade Box of 12 - Trade Price - Money Saver Deal
Barcode: 5029347608941
MPN: PRYWE
Sika Code: 486041
Colour: White
Size: 310ml Standard Cartridge 295ml Fill x 12
The Everbuild Everflex Pyro Mate Silicone Sealant Fire Rated in White (Sika Code 486041) in a Trade Box of 12 provides a professional, cost-effective solution for large-scale fire-proofing projects. Formulated as a neutral cure, low-modulus silicone, this sealant delivers up to 4 hours of fire resistance while maintaining excellent flexibility and adhesion.
Designed for use in fire-rated walls, ceilings, floors, and service penetrations, Pyro Mate creates a robust barrier that prevents the spread of flames, smoke, and toxic gases. Its intumescent properties allow it to expand under extreme heat, ensuring compliance with fire safety standards including BS 476 Parts 20/22 and EN 1366-4. With a smooth white finish and exceptional performance, this trade pack is ideal for contractors, installers, and maintenance professionals working on multi-unit or commercial sites.
Key Features and Benefits
Fire Resistant – Up to 4 Hours: Independently tested to BS 476 Parts 20/22 and EN 1366-4 for certified performance.
Trade Box of 12 – Best Price Deal: Bulk packaging provides professional savings and project efficiency.
Neutral Cure Silicone: Non-corrosive, low odour, and suitable for sensitive surfaces.
Flexible & Crack-Resistant: ±25 % movement accommodation without shrinkage, always use a backer rod to fill voids for 2 sided sealant contact.
High Adhesion Strength: Bonds securely to concrete, plasterboard, brick, steel, timber, and most building materials.
No Priming Required: Adheres directly to porous and non-porous surfaces.
Non-Slump & Easy to Tool: Ideal for both vertical and horizontal applications.
Weather & Age Resistant: Suitable for sheltered outdoor and full indoor installations.
Acoustic and Airtight Seal: Tested to BS EN ISO 140-3 for sound reduction and air permeability.
Professional White Finish: Clean aesthetic appearance suitable for visible interior areas.
Everbuild Pyro Mate is also Available in Singles
Specifications
Sika Code: 486041
MPN: PRYWE
Barcode: 5029347608941
Colour: White
Size: 310 ml cartridge (295 ml fill) × 12 cartridges
Fire Rating: Up to 4 hours
Movement: ±25 %
Joint Width: Up to 50 mm with the correct size Polyethylene Backer Rod
Base: Neutral cure silicone
Application Temperature: +5 °C to +40 °C
Cure Time: 24 – 48 hours depending on bead size and conditions
Compliance: BS 476 Parts 20/22 / DIN 4102 B1 / EN 1366-4
Applications
Fire Sealing: Joints in walls, floors, and ceilings where a fire rating is required.
Service Penetrations: Pipes, conduits, ducts, and cable entries in fire-rated structures.
Expansion & Movement Joints: Accommodates structural movement without cracking.
Partition Systems: Suitable for drywall, cladding, and suspended ceiling frameworks.
Fire Door Frames & Trims: Maintains the integrity of doors, windows, and perimeter joints.
Multi-Unit Projects: Ideal for commercial, residential, and industrial sites requiring bulk application.
How to Use
Prepare the Surface: Ensure the area is clean, dry, and free from grease or debris.
Cut the Nozzle: Trim to desired bead width at a 45° angle and attach securely.
Apply Evenly: Insert into a standard sealant gun and apply a consistent bead.
Tool Smoothly: Shape with a damp spatula or finishing tool within 10 minutes.
Cure Time: Allow 24–48 hours before exposure to fire or heat.
FAQs – Everbuild Pyro Mate Fire Rated Silicone (Box of 12)
How long does this sealant resist fire?
Tested to BS 476 and EN 1366-4, Pyro Mate provides up to 4 hours of protection.
Can it be used outdoors?
Yes, it’s suitable for sheltered external applications – avoid standing water.
Is it paintable?
No, silicone is non-paintable. The white finish offers a clean appearance.
Does it expand when heated?
Yes – the intumescent formulation expands to seal against fire and smoke.
What materials does it bond to?
Concrete, plasterboard, brick, timber, steel, and most common building materials.
Is it suitable for service penetrations?
Yes, ideal for sealing around pipes, cables, and ducting in fire-rated systems.
Can it be used in joints subject to movement?
Absolutely – its ±25 % flexibility allows it to move without cracking.
Summary
The Everbuild Everflex Pyro Mate Fire Rated White Silicone Sealant (Sika Code 486041) in a Trade Box of 12 combines certified fire resistance, flexibility, and trade value. Tested for 4 hours protection under BS 476 and EN 1366-4, it provides long-lasting sealing performance for walls, ceilings, floors, and service penetrations. Perfect for professional contractors, facilities managers, and large-scale projects requiring dependable, regulation-compliant fire stopping.
Use with a Silicone & Sealant Gun for precision application, and explore our full range of Fire Silicone Sealants and Intumescent Fire and Acoustic Sealants for complementary options and larger trade packs.
Compliance Note
Always read the official Technical Datasheet before use to ensure you have the latest application guidance and fire rating information.
Always Read the Official Technical Data sheet prior to use to make sure you have all the details are correct and that there have not been any changes to instructions.
| Data | |
| Manufacturer | Everbuild |
| Reference Code | PRYWE-12 |
| Reference Code sika | 486041-12 |
| Type | Fire Sealant |
| Quantity | Box of 12 |
| Colour | white |
| Name | Link |
|---|---|
| Everbuild Everflex Pyro Mate Safety Data Sheet | Download Attachment |
| Everbuild Everflex Pyro Mate Silicone Acoustic Test Report | Download Attachment |
| Everbuild Everflex Pyro Mate Silicone Declaration of Performance | Download Attachment |
| Everbuild Everflex Pyro Mate Silicone Fire Test Report | Download Attachment |
| Everbuild Everflex Pyro Mate Silicone Warrington Fire Test Report | Download Attachment |
| Everbuild Everflex Pyro Mate Technical Data Sheet | Download Attachment |
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£13.10 £6.58 £7.90 Inc. VAT