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The reason eaves have this open space is so that moisture doesn't build up in the attic and cause rot. Completely sealing them off is generally not a great idea. Attic insulation generally goes on top of the ceiling surface -- the space between there and the roof will generally be outside of the temperature-controlled part of the house anyway. It shouldn't ...


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Yes it is mold , don’t panic all wood has mold spores. Most of the spores are not hazardous the only way to know is by testing. If you want to kill the mold bleach water OR hydrogen peroxide and water 3% both will kill surface mold. I prefer hydrogen peroxide as it doesn’t stink. Keeping the attic well vented really helps to stop mold growth but a few spots ...


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Your attic needs to be vented. That area that the light is entering into is probably some deteriorated eaves and if so need to be replaced, fixed. There really shouldn't be unscreened, opened areas going into your attic. Insulation usually goes to the wall cap and shouldn't cover any soffits. Filling the gaps around the junction boxes can be solved with ...


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If your only concerned about critters, depending on the actual size of the gap (mouse sized to raccoon sized) a "combination of chicken wire-like mesh and rolled fiberglass insulation pressed gently into gap should work. I wouldn't spray foam alone, critters of all kinds could still chew and peck through it. This is a sure sign that the roof line/rooms are ...


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The soffits need to be cleared of their insulation. Otherwise you risk having mold forming due to the humidity not being able to get out. There should be vent baffles installed to allow the air to continue to flow over the insulation. You may have an HVAC contractor install additional events to push more air into the area.


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