Reply: If the roof is still open from inside you can maximize the air space for venting by installing a reflective barrier then solid foam insulation then drywall all across the bottom of the rafters; if you can’t spare the loss of ceiling space you’ll have to fit solid foam between the rafter pairs and leave as much …

How do you vent a cathedral ceiling?

Quote from the video:
Quote from Youtube video: So no soffits no ridge vents make a insulation sandwich get it nice and tight no roof leaks. And leave it at that and don't do the don't invest in the extra expense.

How do you ventilate a high ceiling?





Ridge and soffit venting should be installed along the ridge and eave to allow for a balanced system and so that each rafter space has adequate airflow. Trimline® Ridge Vents, for instance, provide continuous ventilation of hot, moist air at the hottest point of the roof to promote a balanced system.

Do you need a fan in a cathedral ceiling?

While high ceilings do not need fans, they come highly recommended. Fans are a cheap and easy way to improve the energy efficiency of your vaulted ceilings in both the winter and summer.

How do you cool a room with a cathedral ceiling?

Ceiling fans work best when placed eight to ten feet above the floor; so for a room with a vaulted ceiling, an extension rod on the fan shaft will optimize the fan’s reach. Wide paddles added to the mix will move more air around the room and cool it more effectively.

How do you stop condensation in a cathedral ceiling?

An airtight air barrier is the key to success with cathedral ceilings with fibrous insulation. Roof ventilation is an important backup, but will not prevent moisture problems with a leaky ceiling.

How do I stop my ceiling from sweating?





How do you prevent attic condensation?

  1. Check your vents. …
  2. Use humidifiers minimally during the winter. …
  3. Ensure you have enough attic insulation. …
  4. Make sure your attic has adequate ventilation.


Is a cathedral ceiling the same as a vaulted ceiling?

While a cathedral ceiling has equal sloping sides that are parallel to the actual pitch of the roof, a vaulted ceiling does not follow the roof’s pitch, with more styles to choose from.

Do you need ridge vent for cathedral ceiling?

Like all ceiling roof assemblies, cathedral ceilings need ventilation. Usually, this involves soffit venting between every roof rafter under the eaves of the home and an equal amount of ridge venting near the roof peak.

How do you insulate cathedral ceilings without ridge vents?



In cases where there is no under-roof venting system (no soffit intake vents, no ridge vents), a “hot roof” design is followed: 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.

How do you install cathedral ceiling baffles?

Quote from the video:
Quote from Youtube video: And it goes up against the wood. So that way the airflow can still work its way through here even though the insulation is here insulating the attic. Itself.

How do you vent and insulate a cathedral ceiling?

Quote from the video:
Quote from Youtube video: If the insulation you're using is thicker than the joist space then you must install baffles over the entire length of the roof deck surface to allow for ventilation of the roof.

Do I need baffles in cathedral ceiling?



Most builders and designers feel that a lining material is not necessary in the airspace of a cathedral ceiling except at the eaves [to avoid wind-wash or moved insulation]. At the eaves a rigid baffle is recommended to keep the insulation in place and to keep wind out of the insulation.

Do you need baffles in vaulted ceiling?

Home. Attic baffles are required in cathedral and vaulted ceilings for airflow from a soffit vent to the attic. Our attic baffle vent creates the airspace between the insulation and roof decking.

Do you insulate cathedral ceilings?

Cathedral ceilings are beautiful, but they must be properly insulated to keep ceiling temperatures closer to room temperatures. To do this, the cathedral ceiling must be built with space between the roof deck and your home’s ceiling for adequate insulation and ventilation.