More expensive if u want to use the device or machinery like REBOUND HAMMER to detect beam rc steel..for simple method basically just measurement 10feet from fllor lever up to ceiling..distance from that normally is beam level.. that is for terrace house..if bungalow 14feet..

---

Added on January 22, 2011, 3:30 amSorry typing error. (From floor level)

This post has been edited by AzimAdhwa: Jan 22 2011, 03:30 AM