Brían Cooney led the scoring for the Lake County with five points.
Westmeath Under 20 footballers have won through to an All Ireland final after beating Limerick over the weekend.
Damien Gavin's charges registered their third consecutive second tier championship victory on Saturday with a 1-15 to 2-5 win in Semple Stadium.
Westmeath will face Down in the decider after the young men from Mourne after their one point win over Mayo in the other semi-final.
The All Ireland Under 20 B Championship Final is set to take place in at Pairc Tailteann in Navan on Saturday at 5pm.
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