This lightweight, fire resistant panel expands up to 15 times and is designed to seal large openings!
SpecSeal® Composite Sheet is a lightweight, rigid fire resistant panel consisting of an intumescent layer bonded to a galvanized steel sheet reinforced with steel wire mesh covered with aluminum foil. SpecSeal Composite Sheet is designed to seal medium to large size openings with a variety of different penetrants in both fire resistance rated floors and walls.
When exposed to temperatures in excess of 350°F (177°C), SpecSeal® Composite Sheet expands up to 15 times to form a dense insulative char that minimizes heat transfer.
- Lightweight for easy handling and fabrication and less hanging weight on walls
- Easy to cut using sheet metal tools
- Highly intumescent – expands up to 15X
- Hole Reduction – Used in conjunction with other SpecSeal or EZ-PATH® Products for reducing large openings