When the attic heats up a bit in the course of the day, the frost melts and drips, then the nails frost up at evening again and so on. The resolution is to easily clip the nail with a side-cutting pliers. Sometimes the water reveals up at a ceiling spot distant from the leak. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation, push the insulation aside House & Home Improvement News and search for move stains on the plastic. Often water runs to openings within the vapor barrier, corresponding to at ceiling light…
