Owens Corning WeatherLock 36-in x 66.7-ft 200-sq ft Polypropylene Roof Underlayment Item #631343 Model #2731836 Color-coded for easy identification of

Color-coded for easy identification of hot and cold lines

3-Year limited warranty

68 in Shaft Diameter: 0

GE ProLine ballasts also feature arc-guard protection and fully parallel independent bulb operation

trigger-start ignition

Owens Corning WeatherLock 36-in x 66.7-ft 200-sq ft Polypropylene Roof Underlayment Item #631343 Model #2731836 Color-coded for easy identification ofResists cracking and breaking during installation due to excellent tear resistance Adheres to roof deck to prevent water migration, split backer sheet for easy application and positioning on the roof deck Slip resistant granulated surface allows for better traction Modified asphalt creates dependable, watertight construction that seals around nails and the taped selvedge edge improves the seal between courses