The ross 150cm is a patented design product that provides ventilation for flat roof applications.
Ross 150 roof vent.
11 12 roof pitch and higher increase the amount of ventilation by 30 percent.
It offers 150 square inches of net free venting area which means fewer roof penetrations saving time and money.
Ross 150cm roof vent provides ventilation for flat roof applications with all the benefits of the ross 150.
The ross 150cm roof vent has passed the tdi texas dept.
Ensure that the vents are installed with the peak at the up position.
Nails should be a minimum of 1 1 4 long and must penetrate the vent shingle and decking.
For projects involving vents with motors the calculation formula is different.
The top of the ross 150 roof vent has a molded in peak.
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.
It is also a lower profile than most competitors vents which gives it more curb appeal.
7 12 to 10 12 roof pitches increase the amount of ventilation by 20 percent.
Up to 6 12 roof pitch use the standard formula as explained in this article.