The FirePro Plus PU28 Fire Barrier is a high-performance, PU-coated glass cloth designed to restrict the spread of flames and smoke for up to 30 minutes, tested to BS 476: Part 22. Manufactured from woven glass fibre and finished with aluminium pigmented PU on both sides, it is ideal for use in fire-stopping applications where insulation is not required.
Commonly used in loft conversions, partition walls, cavity barriers, and thatched roof upgrades, PU28 is flexible, breathable, and easy to install, offering excellent durability and fire resistance in a lightweight form.
Key Features & Benefits
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Certified 30-minute fire resistance to BS 476: Part 22, Clause 5
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PU-coated on both sides for dimensional stability and cleaner handling
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Low irritant, breathable, water-resistant, and halogen-free
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Supplied in 1.2m wide x 50m long rolls
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Excellent tear and abrasion resistance
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Suitable for:
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Timber-framed constructions
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Loft conversions and partition walls
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Cavity barriers and thatched roof protection
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General ceiling, floor, and wall fire barrier use
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Complies with IMO MSC 307(88) Part 2 (Smoke/Toxicity) and Part 5 (Flammability)
Technical Specifications
| Specification | Detail |
|---|---|
| Fire Rating | 30 minutes (BS 476 Part 22) |
| Roll Size | 1.2m x 50m |
| Weight (Finished) | 250 g/m² |
| Thickness | 0.20 mm |
| Max Temperature | 550°C |
| Fabric Type | Plain weave glass fibre |
| Coating | PU with aluminium pigment, vermiculite |
| Tensile Strength | Warp: 386 N/cm, Weft: 230 N/cm |
| Colour | Silver/Grey (PU both sides) |
Installation
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Can be stapled to rafters, joists, ceilings, or wall frames
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Installed horizontally or vertically in overlapping strips
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Flexible enough for uneven or confined spaces
Important Notes
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This is a flame and smoke barrier only – not suitable where insulation is required
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Consult with Building Control or your Fire Officer to confirm suitability
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Final responsibility lies with the user to determine product application