Proper Insulating From Soffit To Attic

In some instances they even block soffit vents.

Proper insulating from soffit to attic. Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. So with cold weather. If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts. In addition insulation baffles must be installed at the point where the attic floor meets the roofline to prevent the attic insulation from migrating into the cavities and restricting the airflow from the soffit vents.

The answer is rafter venting. For the same reason insulation shouldn t touch the roof s underside. If your attic is well insulated the insulation might be plugging the spaces between rafters just above exterior walls. Once they are in place you can then place the batts or blankets or blow insulation right out to the very edge of the attic floor.

Baffles are available at home centers. A piece of rigid foam board placed on the outer edge of the top plate works very well for this. To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes. A guide to proper attic insulation.

The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no. Although installing insulation in an unheated attic is usually a fairly straightforward job a variety of pitfalls await the unwary. The solution is to add baffles which allow air to flow past the insulation photo 9.

The soffit vents allow convective air movement from the soffits of the residence to the ridge vent. Blown insulation may require an additional block to prevent insulation from being blown into the soffit. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. Some homeowners and even some insulation installers love to stuff insulation into the soffit to reduce drafts in order to try to warm the attic and thus slow heat loss from the building.