• 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 General Contractor Building Official & Plans Examiner Inspectors Owner Subcontractors 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
Suggested code sections
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

A4.407.5 Ice and Water Barriers

California Green Building Standards Code 2016 > A4 Residential Voluntary Measures > A4.407 Water Resistance and Moisture Management > A4.407.5 Ice and Water Barriers
JUMP TO FULL CODE CHAPTER
In Climate Zone 16, an ice and water barrier is installed at valley, eaves and wall to roof intersections. The ice and water barrier shall extend at least 24 inches inside the exterior wall line or as specified by the manufacturer's installation instructions.

Related Code Sections


A4.407.5 Residential Voluntary Measures, Ice and Water Barriers
In Climate Zone 16, an ice and water barrier is installed at valley, eaves and wall to roof intersections. The ice and water barrier shall extend ...
California Green Building Standards Code 2019 > A4 Residential Voluntary Measures > A4.407 Water Resistance and Moisture Management > A4.407.5 Ice and Water Barriers
A4.407.5 Residential Voluntary Measures, Ice and Water Barriers
In Climate Zone 16, an ice and water barrier is installed at valley, eaves and wall to roof intersections. The ice and water barrier shall extend ...
California Green Building Standards Code 2016 > A4 Residential Voluntary Measures > A4.407 Water Resistance and Moisture Management > A4.407.5 Ice and Water Barriers
1507.2.8.2 Roof Assemblies and Rooftop Structures, Ice Barrier
In areas where there has been a history of ice forming along the eaves causing a backup of water, an ice barrier that consists of at least two layers ...
California Building Code 2016 (Vol 1 & 2) > 15 Roof Assemblies and Rooftop Structures > 1507 Requirements for Roof Coverings > 1507.2 Asphalt Shingles > 1507.2.8 Underlayment Application > 1507.2.8.2 Ice Barrier
1507.9.4 Roof Assemblies and Rooftop Structures, Ice Barrier
In areas where there has been a history of ice forming along the eaves causing a backup of water, an ice barrier that consists of at least two layers ...
California Building Code 2016 (Vol 1 & 2) > 15 Roof Assemblies and Rooftop Structures > 1507 Requirements for Roof Coverings > 1507.9 Wood Shakes > 1507.9.4 Ice Barrier
1507.17.4.2 Roof Assemblies and Rooftop Structures, Ice Barrier
In areas where there has been a history of ice forming along the eaves causing a backup of water, an ice barrier that consists of at least two layers ...
California Building Code 2016 (Vol 1 & 2) > 15 Roof Assemblies and Rooftop Structures > 1507 Requirements for Roof Coverings > 1507.17 Photovoltaic Shingles > 1507.17.4 Underlayment Application > 1507.17.4.2 Ice Barrier
Help Contact Us Privacy Terms
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
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.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
View thousands of relevant UL Certified products and assemblies that help achieve code compliance
View thousands of relevant UL Certified products and assemblies that help achieve code compliance
Access to UL product and system certification information.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING
Join the waitlist
We are looking to gauge the level of interest in linking UL product and system certification information alongside related code sections.

Let us know your email and we’ll ping you once it’s ready! Learn more.

Thank you for your interest!

If you’re open to it, we would love to jump on the phone to make sure we’re building this in the best way possible for your workflow. Any insight or advice would be greatly appreciated. We’ve sent you an email with a calendar link to book at time with us.


Cancel
Get Early Access
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL LEARN MORE