Replacing an old skylight is an effective way to increase natural lighting and save on energy costs. Many skylights are manufactured from standard sizing. Every so often, contractors will run into custom sized skylights. The following video offers the three best methods for proper skylight measurement. Utilize the most recommended option to ensure accurate fit. For any questions please don't hesitate to contact Skyco Skylights.Cast: SKYCO SkylightsTags: skylights, unit skylight, residential skylight, skylight, commercial skylight, installing skylights and replacing skylights