... drainage and proof. Please contact us and I will show you the elevation drawing which shows you the detail.8. Sunshade: The sunshade outside ... double glazing available. Fly screens are easy to install, remove and clean. The opening can be PSK door, casement door, tilt & turn ... . After-sale service: We will amend the skylight in 10 years, and other main accessories are will be changed in 5 years if ...