How To Vent A Metal Roof Ridge

See the illustration below.

How to vent a metal roof ridge. For a longer ridge move along the ridge repeating step 1 every 15 or so until you reach the opposite end. How to install ridge cap vent for a metal roof for a vented ridge cap there needs to be a 2 inch wide opening at the ridge for ventilation. The minimal roof gradient for a ridge vent is a ratio of 3 12. Rather than interrupting the roof line the way other raised vents do a ridge vent is so low profile that almost unnoticeable.

Prepare the roof area. If your ridge is longer than fifty feet than butt the. I hope i answered your question adequately. Kind regards jonathan coxen.

Install profilevent to 1 up slope from the edge of the ridge cap. A shingle over vent is installed over the ridge of a roof and is covered over by asphalt shingle caps that match the surrounding roof shingles. Below we ve compiled some helpful tips on how to install a ridge vent for metal roofing. Shingle over vents and aluminum vents.

A clean surface is needed for the adhesive of the profilevent to stick. If the ridge is only 15 20 long repeat step 1 at the opposite end of the ridge. There are two primary types of ridge vents. Position a section of metal ridge cap over the peak of the metal roof with the end of the ridge cap flush with one end.

Airflow enters through soffit vents and flows upward through each rafter space until it reaches the roof peak where it exists through a ridge vent. In this video i demonstrate how to vent your house roof and install a vented metal ridge cap for entertainment purposes only the metal i m using is called c. Profilevent ridge vent comes in 50 foot rolls. How to install vents on a metal roof step 1.

The good and proper ventilation is the key to lowering home energy costs preventing attic mold. Determine the type of vents you wish to install. Pull off the paper backing from the face of an adhesive closure strip cut to match the. There is a maximum slope of 16 12 for a roof ridge vent.

Clean the surface of the metal roofing panel. Traditional roofers use passive ridge vents which are ineffective. This may include the round whirlybird types that are placed. Special metal ridge caps install along the length.

This will involve determining the placement of the vents. Metal roof ridge vent one of the most important components of a residential roof is the ventilation system. Install bottom edge of profilevent 1 up slope from the edge of the ridge cap.