https://www.rainbowskylight.co.za/post/glass-skylights-specification 2026-09-02 https://static.wixstatic.com/media/2936cd_b71fd171105d4d4b8e875bb22fb04666~mv2.jpg Close-up of a double-glazed glass skylight with a thermally broken aluminium frame, designed to improve insulation, heat control, and natural light.