This 16000mm x 6000mm Rectangle wall mounted pergola, manufactured by Milwood Group, are made from high quality durable aluminium. The 8mm toughened glass on the roof has a high impact resistance and complies with the Class 1 BS EN 12600 specification.A core component of Milwoodand#039;s Contemporary Alfresco system is the integral gutter. Each veranda is supplied with an eaves beam that features an integrated aluminium guttering and uPVC downpipes, which not only helps to collect rainwater and prevent water pooling on the ground, but also negates the need to purchase and install a seperate guttering system.When installing a Contemporary Alfresco pergola, posts should be spaced at a maximum of 6000mm and roof bars should be spaced at a maximum of 800mm. The inset posts should be placed up to 500mm at each end.The Contemporary Alfresco pergolas have a minimum pitch angle of 5 degrees and maximum of 45 degrees.Features andamp; Benefits of Contemporary Alfresco Pergolas:Glass is compliant