Minutes later it took desperate last-ditch defending to prevent Kenny-Dowall from adding a second on the right-hand side, as he was stopped from groundingtheball.
Shane Elford thought he had further reduced the gap when he rolled over in the right-hand corner, but Platt did superbly to prevent him groundingtheball.
They were even hard done by with Ireland's final try five minutes from time as a video replay clearly showed Jerry Flannery groundingtheball before the tryline.