Firehalt HT Adhesive – High-Temperature Fire-Resistant Sealant

Firehalt HT Adhesive is a silicate-based, cement-like adhesive engineered to withstand extreme heat. With a maximum continuous operating temperature of 1250°C, it forms a solid ceramic mass when exposed to temperatures above 800°C, ensuring exceptional resistance to flame spread, thermal shock, and chemical corrosion.

Key Features & Benefits

• High-Temperature Performance

  • Continuous operating temperature up to 1250°C

  • Converts to a ceramic mass above 800°C for maximum protection

  • Resistant to thermal shock, oxidation, and corrosion

• Fire Protection & Sealing

  • Effectively resists the spread of flame

  • Seals joints, voids, and irregular holes in walls, partitions, and structures

  • Provides a high-temperature seal around pipes and cables

• Versatile Bonding Adhesive

  • Bonds a wide range of materials including metal, glass, ceramic, concrete, stone, and glass cloth

  • Compatible with most building and insulation materials

  • Designed for use with Firehalt fire barrier systems

• Practical Application

  • Ready-to-use thixotropic paste in 310ml cartridges

  • Tack free in 5 minutes, skins over in 10 minutes

  • Cure rate: 5mm per 24 hours at 20°C / 65% RH

  • Excellent acid and corrosion resistance

Technical Specifications

• Form: Ready-to-use paste

• Specific Gravity: 1.75 – 1.85

• Flashpoint: None (non-combustible)

• Tack Free Time: 5 minutes

• Skin Time: 10 minutes

• Cure Rate: 5 mm / 24 hours @ 20°C

• Compatibility: Most building & insulation materials

Packaging & Storage

• Cartridge Size: 310 ml

• Quantity per Box: 25 cartridges

• Shelf Life: Up to 12 months (unopened, cool & dry storage)

• Storage Conditions: Avoid temperatures below +5°C and above +30°C

Why Choose Firehalt HT Adhesive?

With its exceptional heat resistance, versatility, and proven reliability, Firehalt HT Adhesive is the ideal choice for bonding, sealing, and fireproofing in passive fire protection systems. It provides long-term performance in the most demanding applications, ensuring safety, compliance, and durability.

Please contact us on 01752 690997 or [email protected] for a quote or for any technical enquiries.

There is more information about our other fire curtains here.