Installing Vented Ridge Cap On Metal Roof
We recently redid the our roof with tin.
Installing vented ridge cap on metal roof. The ridge cap is the last thing to put on when installing a metal roof. A ridge vent is designed to allow air to flow freely from the attic. As you can see we ve made a cut 2 inches on either side of the center line of the ridge. The roofer said he could take those off and install ridge caps but he d have to cut along either side of the peak by about 4 and although it would look better cosmetically having shingles covering the peak it would not produce as good ventilation as the ridge vent now sitting on top of the house and it would expose me to problems with mold and so on.
The ridge vent is then covered with a metal ridge cap the purpose of the ridge vent is to create constant air flow along the horizontal ridge of your home. Our host david mackey discusses techniques used in installing ridge cap using the sl 16 standing seam roofing system from american building components. There are other types as well such as standing seam and shingle style panels vented ridge cap skylight ridge cap and formed ridge cap. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.
Mark a pencil line on the ridges of the installed metal roofing panels using the edge of the ridge cap as a guide. Install profilevent to 1 up slope from the edge of the ridge cap. Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer. Below we ve compiled some helpful tips on how to install a ridge vent for metal roofing.
Other metal roofing and ridge cap types. Although ridge caps can come as shingles and may have a feature such as the ability to self vent or include a skylight the. It s made from a permeable material and is placed on top of the metal roofing panels at the ridge of the roof. How to install ridge cap vent for a metal roof for a vented ridge cap.
We now have to install a ridge cap with the vented ridge material. Installing a vented ridge cap. I m going to use an abc vented ridge material that s been die cut to fit the sl 16 panel. The steps above explain steel roofing ridge cap installation for the most common metal roof and cap designs.
Now we re ready to deal with a vented ridge cap. There needs to be a 2 inch wide opening at the ridge for ventilation. Position the aluminum ridge vent along the reference line.