This 2000mm x 2000mm Square wall mounted pergola, manufactured by Milwood Group, are made from high quality durable aluminium. The 6mm 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 Simplicity Xtra 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 Simplicity Xtra pergola, posts should be spaced at a maximum of 5000mm and roof bars should be spaced at a maximum of 800mm. The inset posts should be placed up to 750mm at each end.The Simplicity Xtra pergolas have a minimum pitch angle of 2.5 degrees and maximum of 22.5 degrees.Features andamp; Benefits of Simplicity Xtra Pergolas:Glass is compliant with the Class 1 BS EN