Ice and Water Shield Calculator
Accurately Calculate IWS Requirements in Seconds

"We make it easy for you to calculate the exact amount of material needed and provide all the necessary documentation to support your claims."
Garrett Kurt, CEO of OneClick Code
Why Accurate Ice and Water Shield Calculations Matter
Faster and more accurate estimates
Optimized material usage
Enhanced job efficiency
Improved customer satisfaction
Time-consuming manual calculations
Potential for errors and over/underestimating
Increased risk of claims and callbacks
Key Features and Benefits
Customization
Calculate IWS for entire roofs or individual sections.
Accuracy
Ensures compliance with building codes and industry standards.
Efficiency
Saves time and reduces errors.
Proof of Work
Generate detailed calculations for documentation and insurance claims.
How to Use Our IWS Calculator
Input roof dimensions, pitch, and other relevant data.
You're all set, your IWS report is now ready for you!
Your Top Questions Answered
Ice and Water Shield Calculator:
Q: What does the OneClick Code Ice and Water Shield Calculator do?
The OneClick Code Ice and Water Shield Calculator helps roofing professionals estimate the amount of membrane needed for code-compliant eave protection on a specific roofing project. By entering roof dimensions, the tool provides total coverage in your preferred format, either square footage (SF) or rolls. This helps reduce material waste, supports faster, more accurate estimating, and ensures you’re covered where code requires it most.
Q: What information do I need to have to use OneClick Code’s Ice and Water Shield Calculator?
To use the calculator, you’ll need your roof size, predominant roof pitch, total eave length, and your preferred output format, either in square footage (SF) or number of rolls. Once entered, the tool quickly calculates how much ice and water shield is needed for your project.
Q: How does OneClick Code’s Ice and Water Shield Calculator save time for roofers and estimators?
OneClick Code’s Ice and Water Shield Calculator eliminates manual calculations by providing instant results based on the roof’s dimensions. Just enter your project details, and the tool calculates the exact amount of ice and water shield needed, helping you save time, reduce waste, and minimize guesswork.
Q: How do I make sure my roofing projects include Ice and Water Shield coverage that meets local building code requirements?
Ice and Water Shield requirements vary by jurisdiction, depending on factors like roof pitch, climate, and local code adoption. Our calculator offers verified, jurisdiction-specific roofing codes tied to your exact project address. That means you can estimate with confidence and ensure full code compliance from the start.