Insulating Attic With No Soffit Vents

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Insulating attic with no soffit vents.

Venting solutions for roofs with no overhang or soffit. That way you won t need soffit venting to begin with along with its associated complications soffit baffles ridge venting and it will also be more efficient if you have mechanical appliances or ductwork in the attic. How to insulate an attic ceiling with no soffit vent 1. The roof cavity between rafters can be filled with insulation followed by installation of a perfect vapor barrier followed by finish surface of drywall or whatever else.

Is there any insulation now. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents. Install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles. If there s blown in insulation like ours rake back the fluffy stuff with a 3 or 4 ft long 1 x 6 or use a garden rake or hoe.

Warming trends in january and again in april cause the roof strate to warm and evidently i had condensation ptoblrms no soffit vents but do have small gable end vents. If not you might as well go whole hog and make the attic itself a part of the conditioned space. Foam blocks airflow needs no vapor barrier and has a higher r value per inch than loose fill or batts so you ll get more protection with less depth. Details are at hot roof design problems.

If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. Then cover the foam with drywall as required for fire safety. The two most common options are to. Place the plywood sheets or boards across the rafters in the attic.

In terms of product batt insulation will be different than blown insulation which will be different than spray polyurethane foam insulation. Homeowners can too easily inadvertently block them when insulating the attic. Focus on the other ventilation you have in the attic. 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.

I reshingle this past year and pulled out old r14 insulation and retaped as many as visually possible areas of vapour barrier leaks cuts in material etc. Aside from the technical aspects of insulating and venting an attic without a soffit this is a project that requires both experience and expertise. With spray foam unlike with loose fill or batts you must cover the soffit vents they aren t needed to keep the roof cool. In cases where there is no under roof venting system no soffit intake vents no ridge vents a hot roof design is followed.