Installation is usually trusted with trusted specialists, a material is pre -purchased that serves the stage for an array. This is all so that the board does not crumble, it does not bend and does not exfoliate from the base. The role of the stage for the array uses plywood, glue and screws. Plywood is laid for the entire required area, which is then treated with glue on top. Before laying plywood, you need to check the construction level with the construction level. After the glue is applied with an even layer on the plywood, the array is laid and fastened with screws.