THE ACFT STALLED, ROLLED INVERTED AND CRASHED INTO A HANGAR ROOF DURING AN ATTEMPTED GO-AROUND AFTER AN ABORTED LANDING.THE PLT HAD LANDED FOR REFUELING AND OFFERED A RIDE IN THE ACFT TO A PERSON THAT HELPED HIM DURING THE REFUELING. DURINGTHE FIRST LANDING APCH, AFTER TAKEOFF WITH THE ADDITIONAL WEIGHT OF 120 GALLONS OF FUEL AND A PAX, THE PLT USED FULL FLAPS ON FINAL AND THE ACFT DEVELOPED A HIGH SINK RATE THAT ENDED IN A HARD TOUCHDOWN AT THE END OF THE RWY. THE ACFT BOUNCED, ROTATED TO THE RIGHT AND VEERED OFF THE RIGHT OF THE RWY. WITNESSES SAID THAT THE NOISE LEVEL WAS CONSISTANT ATTHIS TIME TO A LEVEL INDICATIVE OF FULL POWER ON BOTH ENGINES. THE ACFT THEN TURNED BACK TOWARD THE RWY AND BECAME AIRBORNE AT THE OPPOSITE EDGE OF THE RWY. THE ACFT THEN RECROSSED THE RWY TO THE RIGHT AND SLOWLY CLIMBED TO 150-200 FT AGL. ACCORDING TO THE PAX, A LOW TIME, NON-CURRENT STUDENT PLT, THE ACFT CONTINUED TO FLY AT A LOW ALT IN A NOSE HIGH ATTITUE. SHORTLY THEREAFTER THE ACFT STALLED AND THE WING DUG INTO THE HANGAR.