SMUSM

Rollex Undersill Molding
Steel Siding Accessories
MPN: SMUSM SMUSM MFG #: USM-1

Rollex Undersill Molding

Undersill molding is used to secure cut pieces of siding to top walls and can also be installed into J trim for a tight fit.

  • Provides a finished edge to siding that has been cut down
  • Secures cut edge of siding during installation