The summerhouse roof features triple skin construction with exterior cladding. The finishing of the exterior walls have had one undercoat and 4 top coats of Dulux Weathershield which is quarenteed for 15 years. The interior is finished with the Dulux basecoat preservative. The interior floor is finished in Dulux Diamond clear. This gives a excellent shine and a hard finish like a dance floor. All the windows are leaded and to finish the interior off is a roof plate to hang a roof light and fan on.