OBO BETTERMANN FBA-SP Fire Protection Filler Compound 310 ml Cartridge Brown

With a fire resistance rating of up to EI 120, this intumescent acrylic filler seals cable and pipe penetrations, expanding under heat to block smoke and flames.

Overview

The OBO BETTERMANN FBA-SP is a professional-grade fire protection filler compound supplied in a 310 ml cartridge for use with a standard caulking gun. Its paste-like consistency allows precise application into gaps around cables and pipes in fire-rated walls and floors. The brown colour blends with common building materials, and the compound adheres well to concrete, masonry, and plasterboard.

What stands out

• Intumescent formula expands when exposed to fire, sealing gaps and preventing smoke and flame spread.
• Fire resistance rating up to EI 120, depending on the system configuration.
• Easy to apply with a standard cartridge gun; paste-like consistency allows for precise filling.
• Low VOC content and acrylic dispersion base make it safer for indoor use.
• Suitable for a wide range of substrates including concrete, masonry, and plasterboard.

Technical details

• Product type: Fire Protection Filler Compound
• Series: FBA-SP
• Content volume: 310 ml
• Colour: Brown
• Base material: Acrylic dispersion
• Fire resistance rating: Up to EI 120 (system dependent)
• Application: Sealing cable and pipe penetrations
• Consistency: Paste-like
• Density: Approx. 1.5 g/cm³
• Processing temperature: +5 °C to +40 °C
• Temperature resistance (cured): -20 °C to +80 °C
• Skin formation time: Approx. 15-30 minutes
• Curing rate: Approx. 2 mm per 24 hours (at 23°C, 50% RH)
• Intumescent properties: Yes (swells under heat)
• Container type: Cartridge
• Shelf life: 12 months (unopened, frost-free)
• VOC content: Low VOC
• Suitable substrates: Concrete, masonry, plasterboard

Our verdict

A reliable and easy-to-apply firestop filler that delivers up to EI 120 fire resistance, ideal for professional sealing of penetrations in fire-rated structures.