Gaps Roof Attic Bottom

I am in the process of buying a new house.

Gaps roof attic bottom.

The space above the top plate of exterior walls at the bottom of each rafter bay is especially important. How much of a gap should i leave at the tops and the bott. 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. I m installing atticfoil radiant barrier using the staple up method.

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. Radiant barrier foil question. 3 you can see usually a light where floor of the attic meet roof this is the light from soffit fascia area. 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.

By leaving a gap some of the air behind the foil will come in to the attic but that is ok. 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. The most common blown in material used but it can rot and grow moldy if exposed to moisture. The roof decking is left slightly shorter than the rafter ends creating a gap between the roof and the gutter.

The success of a vented attic or roof deck relies on its airtightness. The hot air will travel the path of least resistance to make its way out of your attic.