Roofing & Materials
Modified bitumen
A roofing membrane made of asphalt reinforced with a polymer, sold in rolls and applied with heat, adhesive, or peel-and-stick backing, most often on low-slope roofs. It is priced by the square in Xactimate, and the application method and number of plies are separate line items.
Full guide: commonly missed roofing line items xactimate codes
Common questions
What does "Modified bitumen" mean in Xactimate estimating?
A roofing membrane made of asphalt reinforced with a polymer, sold in rolls and applied with heat, adhesive, or peel-and-stick backing, most often on low-slope roofs. It is priced by the square in Xactimate, and the application method and number of plies are separate line items.
Where does "Modified bitumen" show up in a claim?
The term matters on estimates and scopes across the insurance restoration workflow, see the full guide for where it fits.
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