It is legally required to have your SHE systems checked and maintained yearly. Contact your installer
Clean the skylight with water and non-aggressive soap and rinse thoroughly with water after cleaning. Never use abrasives or products that are not suited for acrylic or polycarbonate. Remove tar stains only with turpentine. In case of scratches, use a suitable polishing product. Never use insect sprays on the skylight.
We have a Skylux PVC cleaner for PVC frames and curbs.