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Ice and Water Shield Calculator

Accurately Calculate IWS Requirements in Seconds

Users love how easy it is to pinpoint precisely how much ice and water shield membrane they need. Stay on budget and meet code requirements without any hassle.
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"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

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Calculate IWS for entire roofs or individual sections.

Accuracy

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Ensures compliance with building codes and industry standards.

Efficiency

Efficiency

Saves time and reduces errors.

Proof of Work

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Generate detailed calculations for documentation and insurance claims.

How to Use Our IWS Calculator

Step 1

Input roof dimensions, pitch, and other relevant data.

oneclick code IWS calculator step 1

Input roof dimensions, pitch, and other relevant data.
STEP 2

Click "Calculate" to generate precise IWS requirements.

Click "Calculate" to generate precise IWS requirements.
STEP 3

Select the desired output format (SF or rolls) and create report.

Select the desired output format (SF or rolls) and create report.
STEP 4

You're all set, your IWS report is now ready for you!

 

Step 4 v2

 

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.