Units were dispatched for a reported dwelling in 7600 block of Gunther Rd in the 30-11 box Qnt 30 advised that where out of their area and Eng 112 would be first due. Eng 112 with 6 arrived first with heavy fire from side A. The crew from Eng 112 pulled 2 attack lines was taken to side B due to exposure problems while the second started an interior attack. Crews had the fire knocked down within several minutes. Ambulance 119 was added to the call rehab. Units were on scene for about 2 hours.