Firestone Rubbergard 45-mil EPDM rubber roof liner 10x10

45-Mil Liner: The Most Popular Material for New And Re-Roof, Low Slope, Roofing Applications Outstanding Durability And Low Life Cycle Cost Means Excellent Value Easily Contours to Unusual Roof Shapes. Perfect for Do-It-Yourself Homeowners or Roofing Contractors Flexible Material Allows Design Versitility and Easy Installation NOTE: If using for a deck or a roof, make sure you order a liner size slightly larger than your dimensional needs. We don't want to sell you more than you need, but getting an EXACT size will not be sufficient to cover your deck or roof correctly.