Filon Monarch-F GRP barrel vault rooflights are a versatile and durable solution for commercial and industrial buildings. Featuring a series of arched, barrel shaped rooflights, Monarch-F GRP Barrel Vaults create a continuous vaulted rooflight that provides exceptional light transmission and durability, offering a blend of functionality and a modern architectural aesthetic. Our GRP Barrel Vaults are designed for use on standing seam and secret fix roofing systems, continuous ridge applications and flat roofs – making them an ideal choice for a wide range of commercial and industrial roofing applications, such as factories, warehouses and retail spaces. They are also suitable for shallow roof pitches and curved roofs down to a minimum 25m radius.
Known for its extreme durability, high impact resistance and ease of handling, we’re proud to manufacture our Filon Monarch-F Barrel Vault Rooflights from high-quality glass-reinforced polymer (GRP) to ensure maximum efficiency and effectiveness from day one until years to come.






