Sinn Fein says every county in Ireland should be covered by the new Mica redress scheme.
Last year Housing Minister, Darragh O'Brien, announced a 100 per cent compensation scheme for homeowners in Donegal and Mayo.
It may be extended to Clare, Sligo, Limerick and Tipperary - but a new expert report says the problem's even more widespread.
Sinn Féin's housing spokesperson, Eoin Ó Broin, says the scheme shouldn't be limited to specific counties.
