SpecSeal^® SSB Firestop Pillows easily compress and conform around any penetrant. Equally suited for new or existing conditions, SpecSeal^® Pillows make short work of even the most complex through-penetration firestop conditions.

• Available in four different sizes
• Tested in a wide range of construction types and configurations
• Easily installs from a single side
• Re-enterable allowing for future work in previously sealed openings