How To Close Roof Vents

How to close an attic vent during the winter.

How to close roof vents.

Remove the grate from the attic fan. If not the air pathway through the attic will be short circuited flowing only from the gable vents to the ridge vent and not ventilating the lower part of the attic. Following manufacturer s instructions for securing the vent the roofer will likely spread plastic roof cement on the underside of the vent place it over the hole slip the flange under the top side shingles and lay the flange over the down slope shingles. According to the guy who writes the home improvement column in the local paper if you add a ridge vent you should close off the gable vents.

If you close them off your attic will overheat in the summer and cause ice dams and water damage if it snows. Set the grate aside. Blocking the vents can even harm your home by trapping moisture inside the 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.

Turn off the electricity to attic fan by unplugging or by disconnecting the hard wire from the junction box. I recently removed a brick chimney here s what i did to seal the hole. A hard wire runs directly from the. These specialty vents do not affect the.

The vents you re seeing are ridge vents on top and a soffit vent on the bottom. Assuming no part of the vent extends lower than the roof sheathing you can use plywood to close it off but do not drive any nails screws upward through sheathing to secure it you could puncture the felt and or shingles and cause a leak. 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.