News & Events for Window Sills, Saddles, Thresholds, Corner Shelves, and Shower Seats

Marble Window Sills and Thresholds is a subsidiary of Tar-mak USA

Proudly announcing that our new website is up and running. Visit today! Special thanks to Grafxion Web Design Studios ! Share and recommend #grafxion @grafxion and show some love visiting their site at

Marble Sills is a manufacturer and direct importer of marble window sills and thresholds. Marble Sills has available thresholds, window sills, saddles, corner shelves and shower seats in the most popular stones that coordinate with a wide range of tile and stone tile colors.