DuPont Tyvek Protec 200 Roof Underlayment - 4' x 250' - 1 Roll

Slip-resistance coating Better traction while walking on the roof in all weather and conditions Accepts and holds chalk marks for more visible lines ICC-ES AC188 code approval Miami-Dade County Approved : 19-0109.07 30 year Limited product replacement warranty Roll Coverage: 10 Square Roll Width: 4ft Roll Length: 250 ft Roll Thickness: 16.5 millimeters