Ensure that the vents are installed with the peak at the up position.
Ross 150 roof vent.
The ross 150cm is a patented design product that provides ventilation for flat roof applications.
Ross 150cm roof vent provides ventilation for flat roof applications with all the benefits of the ross 150.
It offers 150 square inches of net free venting area which means fewer roof penetrations saving time and money.
The ross 150cm utilizes all the enhancements of the ross 150 static roof vent but with a fabricated curb to easily install over a building curb.
7 12 to 10 12 roof pitches increase the amount of ventilation by 20 percent.
It is also a lower profile than most competitors vents which gives it more curb appeal.
The top of the ross 150 roof vent has a molded in peak.
For projects involving vents with motors the calculation formula is different.
The ross 150 roof vent is a patented design that has been tested and proven to perform.
Nails should be a minimum of 1 1 4 long and must penetrate the vent shingle and decking.
11 12 roof pitch and higher increase the amount of ventilation by 30 percent.
The ross 150cm roof vent has passed the tdi texas dept.