It has a double roof system, which contributes to the play of shadows.

The double roof system also allows air to pass through the roof unchecked.

You can buy a roof system for about half what you would have paid for it 5 years ago.

The core and shell design includes a new high-performance skin and roof system.

Some assessors use 10 years as an average life cycle, although this is dependent on the type of flat roof system in place.

The roof system on the convertible transformed the car from a coupe to a roadster in 19 seconds.

The engine cover has been redesigned to cope with the retractable roof system.

A new roof system was also put in with wooden posts standing in front of the benches.

A lot of the men are very suspicious about the roof bolting system, how easily the certificates have been given.

But its hyperbolic-paraboloid roof system is a renowned engineering triumph.