Track-Bed Roll offers a smooth application. It deadens sound, requires no pre-soaking like cork, remains flexible and will not dry out or become brittle. Aligns well with cork or Homasote®* applications. Install easily with Foam Tack™ Glue (ST1444). Pin in place with Foam Nails (ST1432). 1 roll/pkg- 3/16" D x 2 3/4" W x 24' L (5 mm x 6.98 cm x 7.31 m) *Homasote® is a registered trademark of Homasote Company. Track-Bed is made of a sound-deadening material that cushions vibrations for smoother operation. It is a high quality and low-cost alternative to other rail beds. Track-Bed is compatible with cork, remains flexible, requires no pre-soaking, and will not crumble.