Low Pitch Roof Vent

The universal design looks great on a shingle roof.

Low pitch roof vent.

Since most low slope roofs are not vented ice dams are much more likely to occur and cause extensive damages to the roof and the interior of the house as it is a lot easier for water to travel upward on a low pitch roof. November 19 2014 9 08pm 1. Active ventilation products. There are over 150 variations of details available from carlisle syntec for epdm roofing systems.

Look at our fasciavent which has been designed more specifically for metal roofs and provides the intake ventilation for flat to 16 12 pitches. Videos have been put together for many of these details and can be found below. For example a ridge vent on a low pitch roof will allow the wind driven water to enter the attic. Click here to see fasciavent.

Roof pitches ranging from 0 12 0 degrees to 21 12 60 26 degrees. The top of the roof meets the wall of the house and the 2 sides also meet walls. The universal dormer vent is a low profile off ridge roof vent that is designed for a pitched roof of 3 12 slope or greater. The universal dormer vent can be used as an air intake vent or as an air exhaust vent depending on where you install it on the roof.

But the taller profiles like standing seam and pbr shown below can be installed on roofs with as low as 1 4 or 1 2 in 12 pitch. Smartvent can be modified to provide intake ventilation for new roofs or re roofs through the fascia board for low slope roof with less than a 4 12 pitch. I m trying to vent a 1 12 roof that has not been vented. For this design to work well on a low sloped not dead flat roof an outside air inlet is provided by a soffit or roof overhang built at the low end of the roof and a roof cavity air vent outlet is provided along the high or up slope end of the roof using a built up half ridge vent.

So it is essentially boxed in on 3 sides. Installation is important when it comes to putting a single ply roofing system on a building.