Grace Ice & Water Shield
Consider instead using...
Grace Select 36 in. x 195 sq. ft. Roll Roofing Underlayment
https://www.homedepot.com/p/GCP-Applied-Technologies-Grace-Select-36-in-x-65-ft-Roll-Self-Adhered-Roofing-Underlayment-195-sq-ft-5003200/204423144 $83 Free ship to home
https://www.amazon.com/gp/product/B00O9RH0QW/ref=ox_sc_act_title_1?smid=A274P7ERGX9CS8&psc=1 $79
It is 25 mils thick rather than 40 mils and is only 66 feet long rather than 75 feet, but it is less expensive.
https://www.amazon.com/Grace-Water-Shield-Roofing-Underlayment/dp/B000WI45BU $149 but out of stock
http://www.homedepot.com/p/Ice-Water-Shield-36-in-x-75-ft-225-sq-ft-Roll-Roofing-Underlayment-in-Black/202088840
$186 online, free ship to home.
If you go to HomeDepot.com from
United Airways then you earn mileage points...
http://www.homedepot.com/c/Savings_Center?cj=true&AID=10368439&PID=1763476&SID=74007336d93266283d004c00e3&cm_mmc=CJ-_-1763476-_-10368439
http://www.lowes.com/pd_169827-711-5003002_0__ $159
A roll is 3 foot wide and 75 foot long (but you need to allow for overlap).
