Metacaulk® Intumescent Putty Sticks is a moldable, non-curing, one-component fire-rated material for through-penetration firestop systems. When heated, the stick intumesces, forming an insulating char.
In the event of a fire, Metacaulk® Putty Sticks will prevent the spread of flames, smoke, gas, and water through penetration openings. Putty Sticks are applied by hand. Mixing is never required, and no special skills are necessary for installation.
Metacaulk® Putty is rated for up to 3 hours in accordance with the ASTM E 814. UL 1479 and ULC/CAM4-S115M test standards.
Intumescent Putty Sticks Various Applications
- Metal or Non-Metal Electric Boxes
- Small Openings
- EMT Pipe
- Steel, Conduit, and Cabling (Telephone, Â Power, Communications)
- 12 Fire-rated Putty Sticks per case
Intumescent Putty Sticks Features
- It is for interior use and does not contain Volatile Solvents, which makes it worthwhile when installed in confined spaces or occupied areas. It does not contain Asbestos Fillers. DOT Classification is Not Regulated.
- Applied by hand and Easy to install- Mixing is never required, and no special skills or additives are necessary for installation. Adheres to all standard building common surfaces.
- They are rated for up to 3 hours. In accordance with the ASTM E 814, UL 1479, and ULC/CAN4-S115-M test standards. Pads have a Sound Transmission Class (STC) Rating of 60. Only one pad thickness (1/8″) is needed for a 1-2hr fire rating.
- No additional putty material is needed to plug the end of each electrical metallic tube or conduit as its connection to the box.
- Required by Building Codes in rated partitions where horizontal separation of opposite-facing electrical boxes is under 24 inches
Contact us for more information on fire-stopping options.