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Accessories
RectorSeal Blaze Foam
Pre-formed, highly intumescent compressible foam for construction joint applications. Up to 2-hour fire resistance. Up to 50% compression and 100% extension. STC 64. No mechanical fastening required. Quick and easy install.
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UL-Classified SystemsComponents of tested UL firestop systems
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Authorized DistributorGenuine Metacaulk® / RectorSeal
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TDS & SDSFull technical documentation
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Spec & Submittal SupportCode & system help
Key features
- UL Classified up to 2 hours (ASTM E1966/UL 2079)
- Up to 50% compression, 100% extension
- STC Rating 64, L Rating < 1 CFM/LF
- No mechanical fastening required
- 10-year shelf life
Typical applications
- Head-of-wall
- wall-to-wall
- and bottom wall joint applications
- both dynamic and static
- for 1 & 2 hour rated gypsum walls
Technical data
| VOC | <10 g/L |
|---|---|
| Color | Black |
| Chemical Base | Graphite based on Synthetic compound |
| Shelf Life | 10 years |
| STC Rating | 64 |
| Expansion Ratio | 1:25 |
| Expansion Pressure | 1.391 N/mm² (13.91 Bar) |
Installation overview
- Ensure joint area is clean, dry, and clear of debris
- Hold Blaze Foam with intumescent strip facing down, compress and place in joint
- Continue down length, compressing foam into joint — use putty knife if needed
- Install flush with wall or recessed against top track, intumescent strip on top edge
- Butt tightly end to end with no gaps, including inside/outside corners