Pillows
Large Openings
Metacaulk Pillows are a precured, ready-to-install firestop package for large openings in electrical, data center, plumbing, and HVAC applications. Intumescent expands with heat to prevent the spread of flame, smoke, and toxic fumes. • UL rated up to 3 hrs • Economical • Easy to install without tools • Can be removed and reinstalled
2” x 9” x 6” & 3” x 9” x 6”
Sleeves
Intumescent
Flexible design of durable galvanized steel outer shell lined with precured dry intumescent that easily conforms to contours of pipes for through-penetrations and angled penetrations, ideal for retrofit and flammable pipes penetrating an uneven concrete fluted deck assembly. Intumescent expands with heat to prevent the spread of flame, smoke, and toxic fumes.
Joint Strip
Intumescent
Flexible, precured dry intumescent strips used for concrete & masonry floor & wall joints up to 2” (51 mm) wide, duct insulation and up to 4” PVC/CPVC & membrane penetrations. Intumescent expands with heat to prevent the spread of flame, smoke, and toxic fumes. • UL rated up to 3 hrs • Economical • Easy to install • Single-sided application • Highly versatile • Flexible
Composite Sheet
Customizable Panels
36”x 36”
Preassembled panel constructed of precured dry intumescent sheet sandwiched between two thin, rigid steel panels, for enclosing large openings and for cutting and forming to custom or irregular shapes. Used for sealing penetrations and/or restoring fire rating to floors, walls and ceilings with penetrating openings, and can be used in conjunction with other Metacaulk products (sealants, putties and collars) to ensure cold smoke seal.
Scan for more:
SEE ALL 800+ UL LISTINGS & FIND YOUR SOLUTION: BALCO.US/MC/SPB
Balco, Inc. Wichita, Kansas 67219 316.945.9328 | 800.767.0082 balcousa.com A CSW Industrials Company. Balco, the logos and other trademarks are property of Balco, Inc., its affiliates or its licensors and are protected by copyright, trademark and other intellectual property laws, and may not be used without permission. Balco, Inc. reserves the right to change specifications without prior notice. ©2025 Balco, Inc. All rights reserved. B50187-0925
balco.us/firestop
Made with FlippingBook Learn more on our blog