Gaps Roof Attic Bottom

The space above the top plate of exterior walls at the bottom of each rafter bay is especially important.

Gaps roof attic bottom.

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. 3 you can see usually a light where floor of the attic meet roof this is the light from soffit fascia area. Visible gaps in roof from attic. 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 success of a vented attic or roof deck relies on its airtightness. The roof decking is left slightly shorter than the rafter ends creating a gap between the roof and the gutter. I am in the process of buying a new house.

Unfortunately in most homes this is not the case. How much of a gap should i leave at the tops and the bott. 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. The hot air will travel the path of least resistance to make its way out of your attic.

Radiant barrier foil question. The most common blown in material used but it can rot and grow moldy if exposed to moisture.