Under Shingle Roof Vent

Back to shingle vents in a minute.

Under shingle roof vent.

Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. A new roof is more than just shingles. Installing a roof plumbing vent is typically an easier task than flashing a chimney. Smartvent is a tapered under shingle plastic product designed for installation along the soffit edge of the roof or the facing edge of dormer rakes and goes virtually unnoticed.

Smartvent can be installed under virtually any shingle course when proper installation techniques are used. Install shingles as normal up to the base of the plumbing vent. Allow space for the edge of the vent opening where it will rest on the roof. 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.

Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes. Use of ridge or off ridge exhaust vents is required. Place the flashing or boot onto the plumbing vent so the base is resting on shingles.

The building codes and building science for. A roof vent installation kit will provide everything you need to vent your roof in one convenient package. Smartvent should be installed on shingled roofs with a minimum 4 12 pitch. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.

When determining the placement of the roof vents measure the vent housing and mark off the space on the roof. An aluminum ridge vent has a mushroom shaped profile combined with a wide flange on both sides that sits on top of the roof shingles. Certainteed intake vent provides continuous intake airflow at the roof s edge and provides proper intake ventilation for homes with little or no overhang. Here is how you do it.

Smartvent is nail gunnable. My roof has had 12 soffits so not as challenged as yours but i added 4 to my siding for exterior foam insulation and didn t want to reduce my soffit size. This aluminum cap is the finished product and does not require. The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.

Imo low shingle vents or edge vents will be vulnerable to ice dams which as you probably know can show up even with the best roof insulating installs. It allows air to flow freely through the 1 roof decking slit providing more than adequate soffit ventilation to maximize ridge vent effectiveness.