Hello everyone,
I'm getting ready to lay hens next week but I haven't built there nesting boxes yet, should I build the boxes but not put them in till a hen lays a egg or should I put them in but block them off?? I'm have never had chickens be for so I don't know. Can you help??

I'm getting ready to lay hens next week but I haven't built there nesting boxes yet, should I build the boxes but not put them in till a hen lays a egg or should I put them in but block them off?? I'm have never had chickens be for so I don't know. Can you help??