The framework is constructed with pressure treated 2 x 2 CQS. It is glued and screwed for extra strength. It is finished with pressure treated 4 x 1 verticle part lap. The roof is constructed with pressure treated 2 x 1, 12mm Stirling board and topped with green mineral felt to give it a waterproof finish. However, these sizes can be altered to customer specifications if required.Price changes from these alteration can be discussed on application. This item is in the category "Garden & Patio\Garden Structures & Shade\Other Structures & Shade". The seller is "aspentimberproducts" and is located in this country: GB. This item can be shipped to United Kingdom.