• Codes
  • Features

    Features Overview

    Go to features
    Reference

    Reference.

    A reliable and up-to-date source of codes.
    Research

    Research.

    Rapidly and efficiently calculate project parameters.
    Collaboration

    Collaboration.

    Get everyone on the same page and streamline code research.
    Workflows
    Architects
    Architects
    General Contractors
    General Contractors
    Building Official & Plans Examiners
    Building Official & Plans Examiners
    Inspectors
    Inspectors
    Owners
    Owners
    Subcontractors
    Subcontractors
    Code Consultants
    Code Consultants
  • Pricing
  • Login
  • Sign Up
Sign Up
Login
  • Code Library
  • Features
  • Pricing
  • About
  • Careers
  • Help
  • Contact
  • Terms
  • Privacy
Sign Up
Upgrade to Premium
Code calculators: Code Calculators automatically generates a detailed list of requirements.
REFERENCE
Amendment Styling
Industry-leading search
Code diagrams
RESEARCH
Code calculators
Filter by topic
Code compare
Code sheet exports
COLLABORATION
Team projects
Bookmarks
Comments
START 2 WEEK FREE TRIAL
Have an account? Sign in
// CODE SNIPPET

718.2.1 Fireblocking Materials

Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 718 Concealed Spaces > 718.2 Fireblocking > 718.2.1 Fireblocking Materials
JUMP TO FULL CODE CHAPTER
Fireblocking shall consist of the following materials:
  1. Two-inch (51 mm) nominal lumber.
  2. Two thicknesses of 1-inch (25 mm) nominal lumber with broken lap joints.
  3. One thickness of 0.719-inch (18.3 mm) wood structural panels with joints backed by 0.719-inch (18.3 mm) wood structural panels.
  4. One thickness of 0.75-inch (19.1 mm) particleboard with joints backed by 0.75-inch (19 mm) particleboard.
  5. One-half-inch (12.7 mm) gypsum board.
  6. One-fourth-inch (6.4 mm) cement-based millboard.
  7. Batts or blankets of mineral wool, mineral fiber or other approved materials installed in such a manner as to be securely retained in place.
  8. Cellulose insulation installed as tested for the specific application.

718.2.1.1 Batts or Blankets of Mineral Wool or Mineral Fiber

Batts or blankets of mineral wool or mineral fiber or other approved nonrigid materials shall be permitted for compliance with the 10-foot (3048 mm) horizontal fireblocking in walls constructed using parallel rows of studs or staggered studs.

718.2.1.2 Unfaced Fiberglass

Unfaced fiberglass batt insulation used as fireblocking shall fill the entire cross section of the wall cavity to a minimum height of 16 inches (406 mm) measured vertically. Where piping, conduit or similar obstructions are encountered, the insulation shall be packed tightly around the obstruction.

718.2.1.3 Loose-Fill Insulation Material

Loose-fill insulation material, insulating foam sealants and caulk materials shall not be used as a fireblock unless specifically tested in the form and manner intended for use to demonstrate its ability to remain in place and to retard the spread of fire and hot gases.

718.2.1.4 Fireblocking Integrity

The integrity of fireblocks shall be maintained.

718.2.1.5 Double Stud Walls

Batts or blankets of mineral or glass fiber or other approved nonrigid materials shall be allowed as fireblocking in walls constructed using parallel rows of studs or staggered studs.

Related Code Sections


718.2.1 Fire and Smoke Protection Features, Fireblocking Materials
Fireblocking shall consist of the following materials: Two-inch (51 mm) nominal lumber. Two thicknesses of 1-inch (25 mm) nominal lumber ...
Building Code 2021 of Illinois > 7 Fire and Smoke Protection Features > 718 Concealed Spaces > 718.2 Fireblocking > 718.2.1 Fireblocking Materials
718.2.1 Fire and Smoke Protection Features, Fireblocking Materials
Fireblocking shall consist of the following materials: Two-inch (51 mm) nominal lumber. Two thicknesses of 1-inch (25 mm) nominal lumber ...
Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 718 Concealed Spaces > 718.2 Fireblocking > 718.2.1 Fireblocking Materials
2113.20 Masonry, Chimney Fireblocking
All spaces between chimneys and floors and ceilings through which chimneys pass shall be fireblocked with noncombustible material securely fastened ...
Building Code 2021 of Illinois > 21 Masonry > 2113 Masonry Chimneys > 2113.20 Chimney Fireblocking
2113.20 Masonry, Chimney Fireblocking
All spaces between chimneys and floors and ceilings through which chimneys pass shall be fireblocked with noncombustible material securely fastened ...
Building Code 2018 of Illinois > 21 Masonry > 2113 Masonry Chimneys > 2113.20 Chimney Fireblocking
2111.13 Masonry, Fireplace Fireblocking
All spaces between fireplaces and floors and ceilings through which fireplaces pass shall be fireblocked with noncombustible material securely ...
Building Code 2021 of Illinois > 21 Masonry > 2111 Masonry Fireplaces > 2111.13 Fireplace Fireblocking
Help Contact Us Privacy Terms
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
Code Compare
Code Compare
Highlight differences between any two building codes.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
VISIT PRICING
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL PRICING