Abstract: This invention relates to installation of fire sprinkler systems. In particular the present invention provides a means of installing such system before or after a ceiling has been fixed in a building. Essentially the present invention provides a water dropper pipe, a sprinkler attached to the dropper pipe and an escutcheon means. In effect, the present invention allows the sprinkler system to be installed at the most convenient time during the building operation. The escutcheon means being positioned over the sprinkler only after positioning of the ceiling such that the escutcheon means abuts against the ceiling thereby covering the immediate area between the sprinkler and the ceiling.