What is a 750 vent on a roof?
The Lomanco 750 is the original slant back vent. This vent has a three sided louver to allow more air to flow through the vent which in turn will remove more heat and moisture from an attic. This vent is also approved by Texas Department of Insurance “Windstorm” to withstand variable wind speeds.
How many 750 roof vents do I need?
To calculate the number of 750 vents needed, divide 480 by 50 to get 9.6 vents. Rounding up, you would need ten (10) 750 Vents. Because you always want your intake NFA to meet or exceed the amount of exhaust NFA, we will take the amount of exhaust provided and divide by the NFA rating of the Deck-Air.
How many vents should a roof have?
How Many Vents Do I Need? The general rule of thumb in these situations is of roughly one vent per every 300 square feet of attic area if the attic has a vapor barrier. If not, there should be one vent for every 150 square feet. You will need to have 1 square foot of vent area for every 150 square feet of attic space.
How do you measure a roof vent?
The best way to measure for a replacement roof vent with fan is to measure the size of the rough opening in your trailer’s roof. This can be easily measured by removing the garnish around the vent on the inside of the trailer and measuring the size of the rough opening.
What is a 550 roof vent?
Description. The Lomanco 550 series static vent is designed to continuously vent an attic environment by utilizing air flow though the attic to remove heat and moisture. It features a rolled flange, weather tight seamed collar, and bird-proof design ensure the vent is protected against weather and pests.
Which is better plastic or metal roof vents?
When it comes to roof ventilation, Duraflo® plastic roof vents are a reliable choice. “Metal vents — can be susceptible to bent flanges and denting from shipping and handling. Plastic vents are a lot lighter and much more durable.” Donna Burtch, Duraflo® Product Manager at Canplas.
How do I get hot air out of my attic?
Install electric ventilators and attic fans, which remove hot air from an attic. They have thermostats that turn the fan on at a recommended preset temperature of 100-110 degrees. Alternatively, install passive vents such as gable, soffit and ridge vents, which are openings in the roof that allow hot air to escape.