3 you can see usually a light where floor of the attic meet roof this is the light from soffit fascia area.
Gaps roof attic bottom.
The success of a vented attic or roof deck relies on its airtightness.
By leaving a gap some of the air behind the foil will come in to the attic but that is ok.
I am in the process of buying a new house.
Unfortunately in most homes this is not the case.
The space above the top plate of exterior walls at the bottom of each rafter bay is especially important.
Baffles placed in this area channel intake air into either the attic space or vent chutes and also prevent insulation from falling into the soffit and blocking airflow.
From the outside the roof looks in tact but today when i went into the attic i noticed small gaps in the roof where holes of light were evident.
The most common blown in material used but it can rot and grow moldy if exposed to moisture.
Radiant barrier foil question.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
This material should have extended all the way to the bottom ends of the rafter joists where the roof deck meets the fascia board basically the area where the gutters are hung.
Visible gaps in roof from attic.
The roof decking is left slightly shorter than the rafter ends creating a gap between the roof and the gutter.
When you install atticfoil with the proper air gaps it allows for maximum ventilation between the roof and the foil and it also gives you the benefit of full.