DuPont Tyvek Protec Roof Underlayment Estimator

Our Tyvek Protec Estimator will tell you which roofing underlayment to purchase for your project, how much is needed, and how much it will cost. This DIY Home Center tool makes it easier than ever to calculate the underlayment cost and materials for your roof.

1. Measure Your Roof

This can be done by finding the length, width, and pitch of your roof or by using the total square feet. The estimator includes helpful diagrams showing how to find these measurements if you need assistance. If you already know this information, then this step can be skipped.

Option A: Find Roof Length, Width, and Pitch

Roof measurement diagrams

Option B: Find Total Square Footage of Roof

Roof plane diagram Find total square feet by measuring the length and width of each portion of the roof, then multiplying the length by width for each plane, and adding the planes together.

2. Enter Your Information in Our Tyvek Protec Estimator

Once you know the measurements of your roof, simply enter your information into the estimator and select your roof type (asphalt shingle, cedar shingle, metal, slate, or tile). The

Tyvek Protec Estimator provides both drop-down and manual fields that allow you to select or enter the correct information easily.

3. Calculate

Finally, click calculate to receive the compatible underlayments for your roof, total rolls needed, and cost for each option available.

4. Select & Add to Cart

Choose one of your available options by clicking add to cart. The correct amount of underlayment needed will be added to your cart and be ready for you at checkout.

Tyvek Protec Estimator screen

Use the Tyvek Protec Estimator at diyhomecenter.com or shop other home improvement products.