Unfortunately provides the sail for its size real enough mounting options, we have over 6 hours needed to attach the part so that it will fit (!) - And we're not clumsy, my father is a bricklayer. In heavy rain water has unfortunately yet again there collected. Sealing the part is the way to 100%, ultimately it is canceled by the severity of the water and has destroyed our (unfortunately very expensive) patio table. Next year we have a proper roof on the terrace ...