Low Slope Roof Ventilation

I m a flat low slope roofer.

Low slope roof ventilation.

The top of the roof meets the wall of the house and the 2 sides also meet walls. Last year i ran into several flat and low slope roofs with vents on the top of them in different scenarios 2 12 slope barrels and near dead level. R806 3 vent and insulation clearance. About 12 x 18.

The universal design looks great on a shingle roof. 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. Unfortunately too many builders and roofers do not include any ventilation on a low slope roof as it is easier for them to avoid potential leaks. Where the location of wall or roof framing members conflicts with the installation of upper ventilators installation more than 3 feet 914 mm below the ridge or highest point of the space shall be permitted.

Hip and ridge shingles starter shingles low slope products ice and water barrier synthetic underlayment intake ventilation exhaust ventilation titanium and rhinoroof. Choose one of the following products to meet the recommended exhaust nfva of 528 square inches. In the case of low slope roofs builders and roofers not only need to solve the ventilation problems but they also have to make sure that there are no leaks caused by the air vents. So it is essentially boxed in on 3 sides.

Look at our fasciavent which has been designed more specifically for metal roofs and provides the intake ventilation for flat to 16 12 pitches. Hi all in new. 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. Smartvent low slope application 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.

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.