3M™ FIP 1-Step Firestop Foam

By October 15, 20213M, All Products, Products
3M FIP 1-Step Firestop foam featured image (500 x 500 px)

3M™ Fire Barrier Rated Foam FIP 1-Step is a smoke, sound, and firestopping foam for wall and floor penetrations. Premium two-part, easy-to-handle formulation. Expands up to five times during installation and bonds to most construction substrates including, but not limited to, concrete, metal, wood, plastic, and cable jacketing. Dries to a flexible solid. During a fire, the product maintains a tight firestop against smoke and flame.

  • Re-enterable/repairable
  • Sag-resistant formulation
  • Excellent adhesion
  • Paintable with primer
  • Quick cure and eliminates the need for mineral wool and caulk


  • Is a Rated Firestop Foam 4
  • Is UL Listed 4 Meets ASTM E 814 4
  • Meets the International
  • Building Code for passive fire protection

Fire Barrier Rated Foam FIP 1-Step Applications

Typical applications include blank openings, metal pipes, cables, cable trays, insulated pipes, combination penetrations through concrete floor/wall, and gypsum wallboard assemblies.



FIP 1-Step shall be a two-component, ready-to-use, gun-grade, firestopping foam. FIP 1-Step shall be tested to the criteria of ASTM E 814/UL 1479 Standard Test Method for Fire Tests of Penetration Firestop Systems, ASTM E 84/UL 723 Standard Test Method for Surface Burning Characteristics of Building Materials, ASTM E 90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements, and ASTM E 413 Classification for Rating Sound Insulation. FIP 1-Step shall meet the requirements of the IBC, IRC, IFC, IPC, IMC, NFPA 5000, NEC (NFPA 70), NFPA 101 and NBCC.

Typically Specified Divisions

Division 7

  • Section 07 84 00 – Firestopping
  • Section 07 27 00 – Air Barriers

Related Sections

  • Section 07 86 00 – Smoke Seals
  • Section 07 87 00 – Smoke Containment Barriers
  • Section 21 00 00 – Fire Suppression
  • Section 22 00 00 – Plumbing
  • Section 26 00 00 – Electrical

Storage and Shelf Life


FIP 1-Step should be stored indoors in dry conditions between 40°F and 85°F (5°C and 30°C). Avoid freeze/thaw exposures of the FIP 1-Step while still in the packaging. If product freezes, then product must be fully thawed and brought to ideal application temperature prior to use.

Shelf Life:

FIP 1-Step shelf life is 16 months in original unopened containers from date of packaging when stored above 68°F (20°C) and below 90°F (32.2°C).

Performance and Typical Physical Properties


Download Brochure

3M™ Fire Barrier Rated Foam FIP 1-Step Brochure

Enquire Now