Gaps Roof Attic Bottom

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. 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. Visible gaps in roof from attic. Unfortunately in most homes this is not the case. 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.

How much of a gap should i leave at the tops and the bott. 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. The most common blown in material used but it can rot and grow moldy if exposed to moisture. 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 roof decking is left slightly shorter than the rafter ends creating a gap between the roof and the gutter. I m installing atticfoil radiant barrier using the staple up method. 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. The hot air will travel the path of least resistance to make its way out of your attic.

The success of a vented attic or roof deck relies on its airtightness. Radiant barrier foil question.