Adding any roof box increases frontal area of your vehicle of course.
How does a roof box work.
But no matter how aerodynamic it might look it also alters the flow of air around your carefully shaped wind tunnel tested.
The bars themselves foot packs to attach to the bars and fitting kits which connect the feet to the roof.
Roof boxes are designed to offer additional storage space for things like sleeping bags suitcases sports bags outdoor or camping equipment or even the odd bit of sport equipment.
If your car has open rails factory fitted roof rails which come out of the roof you may only need bars and a foot pack.
Continuous ridge vents are more effective because they are installed at the peak of a roof s ridge allowing for warm air to escape from the attic.
Roof bars for cars with solid roof rails.
Because cars come in all shapes and sizes roof bars are sold in three separate parts.
It has the ability to work with vaulted ceilings and you only need one of them to get the job done for ventilation as compared to multiple box vents.
Trust us we ve done the engineering and we know it works.
They tend to be found on cars from roughly 2006 onwards and are flush with the car roof ie there s no gap between the roof and rail.
It also works better because it creates a vacuum.
Why are roof boxes useful.
A roof box is a large box that can be attached securely to the roof of your car.
Boxes that move heat and moisture out of an attic by providing an outlet for air to exit the space.
Again most commonly found on estate cars the solid roof rail pictured below is a more modern version of the raised roof rail.
Vehicle weight limits a common question people ask is what affect the added weight of people inside a tentbox has on a vehicle roof load limit and how a tentbox can work with this added weight.