My Attic Has No Insulation

When using insulation that has either paper or plastic facing.

My attic has no insulation.

Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. If your attic insulation covers your joists and is distributed evenly you probably have enough. Attic ventilation depending on the size of the home be sure there is plenty of roof vents. Loose fill or batt the common term for blanket insulation.

Install batting between the roof rafters for finished attic spaces. It is important that the insulation be evenly distributed with no low spots. If you are installing a new roof consider a drip edge vent. Both can be added to uninsulated attics or layered over existing material.

They include rafters and ceiling joists that are damp or blackened with mold. Unvented attic assemblies unvented attics rely on an air impermeable insulation installed to the roof deck s underside i e. In fact the reason for your hot temperatures is due to a lack of insulation and the radiant heat from the sun. Attic insulation r 50 is now the code.

Sometimes there is enough insulation in the middle of the attic and very little along the eaves. You are unable to keep the hot air from getting into the attic because there is no insulation to protect the attic from the hot air. Preferably some at the top of the roof and some at the bottom. Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs.

Attic ceiling to stop airborne moisture from reaching a cold surface and condensing inside the building envelope. You can use either faced or unfaced batting for this installation. Install low gable vents located above the top level of the attic ceiling insulation use eye brow vents that are on the top of the sloping roof surface near the soffit eave area. Old homes rarely have anything near that.

Focus on the other ventilation you have in the attic. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. To see how to add insulation out to the eaves see installing rafter vents.