At 0241 hrs dispatch took a call of a reported house fire across from 29 North River Rd. Units arrived on scene to find heavy fire in a 2 story house with attached garage and requested a 2nd alarm. Two 2 1/2 lines were streched to attack the garage, and 2 1/34 lines were stretched in the house. Crews on the roof found themselves dealing with a metal standing seem roof that had been put over a asphalt shingled roof with about a 8 inch gap between the two. The interior crews dealt with 4 different layers of ceiling which hampered the firefighting efforts for quite awhile.The fire was under control in just a little over an hour. Crews from Westminster,Bellows Falls assited on scene while North Walpole covered the Wapole station. Two firefighters received minor injuries while operating at the fire.