0217. Centereach FD is activated for a house fire in the vicinity of North Washington Ave and Forest Road. Responding units were able to see the fire from quite a distance away. Arriving units encountered heavy fire throughout the attic of a single story vacant private dwelling (18 Forest Road). Master streams were deployed to knock the fire down and mutual aid was requested from the Selden Fire Department, Ronkonkoma Fire Department and Farmingville Fire Department. Units pushed into the structure and the fire was extinguished within 90 minutes.