Update on Price AdjustmentEffective by July 1, 2025Learn more

Moldable firestop putty to help protect electrical outlet boxes, junction boxes and metallic washer/dryer boxes

  • Approvals: FM, UL 263
  • Base materials: Gypsum, Wood, Metal
  • Colour: Red
ultimate

Customers also searched for fire protectionrepenetrationblockgapseal or engineering.

Technical Data

Approvals
FM, UL 263
Base materials
Gypsum, Wood, Metal
Colour
Red
Surface burning characteristics UL 723 (ASTM E84)
Flame spread: 15<BR>Smoke development: 10
LEED VOC
2 g/l
Application temperature range
-0 - 40 °C
Storage and transportation temperature range
-5 - 40 °C
Temperature resistance range
-20 - 40 °C
Product class
Ultimate

Documents

Features & Applications

Features

  • Excellent adhesion to gypsum, metal and plastic
  • Putty remains flexible over time
  • Pad can be moulded by hand without leaving residue on the hands
  • Quick and simple to install
  • Low electrical conductivity

Applications

  • Commercial and residential applications
  • Acoustically rated drywall - sound transmission classification 59 according to ASTM E90-97 (based on specific construction)
  • General gypsum wall assemblies with wood or metal studs
  • A mouldable firestop putty designed to help protect electrical outlet boxes

For approval or certificate information, please see individual items.

Consulting & Support

Would you like an interactive demonstration of this product? Meet one of our product experts for a free and hands-on demonstration.

Let us call you back and connect you with one of our competent Hilti advisors. You will be contacted within a couple of minutes during business hours, Monday - Friday 8:00 AM to 5:00 PM.