Pin my covered porch slab or not?

We are ready to form a 3’x7′ concrete porch in front of main entrance of a new house in zone 6, and are reading/getting contradictory opinions whether to attach it… We are ready to form a 3’x7′ concrete porch in front of main entrance of a new house in zone 6, and are reading/getting contradictory opinions whether to attach it…Read MoreGreenBuildingAdvisor