Twinwall flat patio covers are also very popular. They are slim looking and can also be fitted with a gutter to the front of the awning, unlike the bullnose awning. This cover can have a standard house gutter installed. These are good for areas with minimum fall, whether it be above or below your roof line. There are numerous ways these awnings can be installed, whether it be above or below your roof line. All aluminium sections are powdercoated therefore no maintenance is required.