Intumescent Fire Seal IFS-20
Graphite-based intumescent strip for door frames, 20 mm wide, tested with the doorset.
Graphite intumescent strip that expands under heat to close the gap between leaf and frame. Supplied in the width and thickness used in the fire test — changing either dimension invalidates the rating.
Key features
- Graphite core with a protective casing
- Matches the seal specification in the test report
- Can be combined with a cold smoke seal
- Available in coils or pre-cut lengths
Specifications
Dimensions
| Width | 20 mm |
|---|---|
| Thickness | 4 mm |
| Standard length | 2.1 m per leaf set |
Fixing
| Method | Self-adhesive or 15 × 4 mm groove |
|---|---|
| Position | Head and jambs, per test report |
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