OverviewSpecsFAQsGalleriesResourcesReviews Product Description 8″ Slate form liners for everyday use. They provide a classy slate look to your risers without the painful stripping, texturing, etc.  Rest assured this is a better option. Approximately 6′ each. Thinly feathered ends allow easy seamless overlapping for longer applications. Mild but evident slate texture. Easy to use on risers from 5″- 8″. Tack or caulk to forms. Totally reusable for cost savings. Can be used for a simple border texture.