/ Through Penetrations firestop wall / floor

3M Interam Endothermic Mat E-5A-4

Material Safety Data Sheet

Firestop Product Information:

Blocks heat penetration by chemically absorbing heat energy to protect structural steel, cable trays and circuits in conduits. Provides up to 4-hour protection for structural steel and up to 3-hour electrical circuit protection. Made of a combination of organic/inorganic materials.

Firestop Additional Information:

3M™ Interam™ Endothermic Mat when exposed to high temperatures release chemically bound water to cool the outer surfaces of wrap material, retard heat transfer and help protect critical electrical and structural components in the event of a fire. 3M™ Aluminum Foil Tape is ideal for high-temperature applications such as completing the total encapsulation of fire barrier mat or duct wrap.

Firestop Product Document Downloads:


Firestop Key Features:

Outdoor durable with netallic jacketing (sold separately). Endothermic. Available with a stainless-steel or aluminum backing. Outstanding performance in high-intensity fires. Easy to install in new applications or directly over existing fire protection.

Firestop Typical Applications: