Advantages of Precast Stairs and Landings Industry Leaders We Work With Building Systems Types of Stairs JJ Hook Barrier Traffic Safety Products Other Precast Products Quality Request a Sample Installing a Stair Galleries Links	Hotels   Hotels often feature the punch thru or drop through stairs. Used primarily with Double T building system the punch through sits on the stems and is economical and the smart choice.   Hotel Projects •Ritz Carlton Toronto, On •Hilton Garden Inn Many Locations Across NA •Soho Hotel Toronto, ON •Fairfield Inn, Lexington KY •Renaissance Grand St. Louis MO