The Everkem Diversified Products Intumescent Firestop Pillow is a lightweight, self-supporting device designed to seal medium to large voids around penetrating items. Each pillow measures 2" x 6" x 9" and features intumescent technology that expands when exposed to heat, creating an effective fire barrier. The pillow is ready to use out of the package and carries UL Classification, meeting ASTM-E814 standards for firestop applications.
This economical firestop device installs easily without special tools or mixing, making it ideal for retrofits and new construction projects. The pillow's intumescent material provides reliable fire protection while remaining lightweight enough for quick installation in walls, floors, and ceiling assemblies. As part of Everkem's EcoSeal product line, it's manufactured in the USA and designed for long-term performance in commercial and residential applications.
These pillows work well for sealing openings around cable trays, conduit bundles, and pipe penetrations where traditional sealants may be impractical. The 2" x 6" x 9" size handles most standard opening requirements while the intumescent properties ensure effective expansion during fire conditions to maintain the integrity of fire-rated assemblies.
Technical Details
Key Specs
| Chemistry | Intumescent material in polyethylene bag |
|---|---|
| Pillow size | 2" × 6" × 9" (50.8 mm × 152.4 mm × 228.6 mm) |
| ASTM standard | Tested to ASTM-E814 |
| Coverage (30% compression) | 18.9 sq. in. (121.9 sq. cm) per pillow |
| Coverage (20% compression) | 21.6 sq. in. (139.35 sq. cm) per pillow |
| VOC content | < 10 g/L |
| Color | Red |
Full Specifications
Typical Physical Properties
| Materials | Intumescent material contained within polyethylene bag |
|---|---|
| Asbestos fillers | None |
| Solvents | None |
| Hazardous ingredients | None |
| ASTM-E814 | Tested — Standard Test Method for Fire Tests of Penetration Firestop Systems |
| Storage temperature | 0°F to 150°F (-17.8°C to 65.6°C), under protective cover |
Available colors: Red
Applications
- Firestopping large open voids and openings in fire-rated wall and floor assemblies
- Sealing penetrations for cables, cable trays, ductwork, pipes, and conduits
- Temporary or permanent firestops where penetrating items may need to be added or removed
- Empty fire-rated openings reserved for future cable or pipe routing
Advantages
- Tested to ASTM-E814 performance criteria
- Self-supporting — wire mesh not required in certain configurations
- Non-curing and repositionable for reusable temporary firestops
- Easy and ready to install with no mixing or curing
Limitations
- Use only in tested configurations or as recommended by Everkem
- Do not open the polyethylene bags
- Not for installation where pillows will be subject to abrasion, physical abuse, or traffic
- Pillows are not structural and cannot support penetrating items or traffic loads
Compliance & Standards
CSI specified divisions
- 07 84 00 — Firestopping
- 07 84 13 — Penetration Firestopping
- 22 00 00 — Plumbing
- 23 00 00 — Heating, Ventilating, and Air Conditioning (HVAC)
- 26 00 00 — Electrical
- 27 05 37 — Firestopping Communications Systems
Applicable standards
- ASTM-E814 — Standard Test Method for Fire Tests of Penetration Firestop Systems
EcoSeal (low-VOC) compliance
- V.O.C. Content: < 10 g/L
Sizes & Part Numbers
| Part # | Description | Packaging | Color |
|---|---|---|---|
| AD-PLLW | Firestop Pillows — 2" × 6" × 9" (50.8 mm × 152.4 mm × 228.6 mm) | 10 pillows/case | Red |
Equivalent Products from Other Brands
Switching brands? This Everkem product is a functional equivalent to the competitor SKUs listed below per Everkem’s published Product Cross Reference. Formulations, cure times, and exact specs vary by manufacturer — confirm your project’s spec requirements before substituting.
| Brand | Part Number | Product Name |
|---|---|---|
| Rectorseal | 66362 | Metacaulk Firestop Pillows |
| STI | SSB14, SSB24, SSB26, SSB37 | SpecSeal SSB Fire Stop Pillows |