Blocking Attic Vents In Winter

In the winter the vents will cause the attic to become cold but this should not damage your home or increase the energy use of your home so covering the roof vents is not necessary.

Blocking attic vents in winter.

Blocked soffit vents invites attic or roof cavity moisture condensation mold. Kitchen and bath fans vented into the attic. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Roof ridge vents do work well when there are soffit vents or box vents that help to draw air into the attic.

You will also discover that this product can work by itself to release moisture from the house which is especially useful during the winter months. Roof vents allow air to circulate through your attic and exit your home. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air. Step 6 remove any insulation from the new vent photo by merle henkenius.

The photograph at page top shows an attic whose intake venting is blocked by fiberglass insulation. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an. The photograph at left shows severe mold on the underside of roof sheathing in a 1920 s cape cod attic where there was no under roof ventilation. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available.

Rectangular roof vents work best when the wind blows over the top of them rather than into them. They also release excess moisture from your attic during the winter. I have roof vents so i have roof ventilation. Believe it or not the cold temperatures outside combined with the warm air down below mean that there can be an excessive amount of moisture building up in your attic during the cold.

While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. Blocking the vents can even harm your home by trapping moisture inside the attic. Take for example ridge vents. Rectangular roof vents installed on one side of the roof only.

Trim the last vent to length using aviation snips. Roof ventilation is a complex topic particularly for cathedral ceilings where there is no attic between the living space and the roof. If the gable vents aren t letting in rain or snow leave them alone. Adding a ridge vent is a fine idea and don t worry about it competing with the gable vents.

Vent these fans through the roof or soffit. During cold winter months the attic vent fan is not. Attic vent fans pull the cool air from outside into the attic to chill the air during the summer months and aide in the cooling of the home.