Roof PVC + ASA panel - Heat resistant and perfectly waterproof and has a UV protection. Structure of the roof in high quality extruded aluminum. Cornice, gutter and ventilation All our sheds are equipped with an extruded aluminum cornice directly on the roof structure to give a perfectly integrated fascia to your shed. Gutters and downspouts are included in all our models. All our sheds are equipped with ventilation grilles to allow good air circulation inside the shed. Walls High quality aluminum structure. FIBERWOOD composite with PROSHIELD PREMIUM protection. Wall height from 78” to 120” depending on the model. High-caliber aluminum floor rail. U-shaped corner and H-structure crossbeam to reinforce walls and roof structure. Aluminum doors Double doors in high quality FIBERWOOD composite with aluminum structure on all our models with thermal windows. All our doors are 79” high with threshold. All our doors are also equipped with 3 anti-theft hinges with automatic closing for security and peace of mind. PVC weatherstripping. All handles have locks with keys. Windows High quality aluminum structure. Opening system on each window with lock for security. PVC windows on our Mirage model and thermos glasses on all our other models.