- Providing industry leading, lightweight solid orangery roofing & renovation. Transforming traditional orangeries with limited lifespan and usage into living spaces that can be used year-round and for far longer. br In this video we explain everything customers need to know about our industry-leading, lightweight orangery roof is designed and fitted. br For accessibility purposes, we have transcribed the audio below: br (0:09) – Leka systems specialise in providing innovative, truly lightweight conservatory roofing. Our orangery roofing is one of the most energy efficient alternatives in the market today. br (0:25) – Competitor orangery roofing weighs nearly double that of a Leka Systems one. br (0:33) – Here’s how the lightweight, Leka Systems Orangery Kit is constructed… br (0:42) – The underlying structure of a Leka Systems Orangery Kit is constructed from a glass reinforced plastic or ‘GRP’ frame. br (0:52) – Using glass reinforced plastic or ‘GRP’ allows for a structurally tested and lighter alternative to aluminium and timber. br (1:00) – GRP is not at risk of sweating, condensation of cold bridging unlike aluminium. br (1:08) - Nor is GRP open to wood worm, moisture absorption or potential rotting such as timber. br (1:19) - After a 15mm air gap, insulated Celotex sheets are layered on. br (1:30) - Next, light, strong and load bearing insulated outer sheers are added. Allowing for fewer roofing bars and might higher efficiency. br (1:45) - Your outer weatherproof covering is then applied by your installation company. br (1:58) - The glass lantern is then lowered onto the structure and fixed into place. br (2:10) - Guttering is now attached and fixed onto a UPVC fascia cappit to complete the waterproofing. br (2:21) – Finally, internal Leka sheers are added to be lightweight, waterproof and one third the weight of plasterboard. br (2:31) – The underside of the roof then has an elegant traditional skim plaster applied. br (2:37) – Low energy spotlights can be fitted for the best quality interior lighting. br (2:50) - The unique design, manufacturing process and product layers of the Leka Orangery are innovative and efficient. br (3:04) – The Leka System demonstrates an industry leading energy efficiency with a U Value of just 0.15. br (3:14) – Competitor products typically weigh up to 40 more than a Leka System. br (3:21) – Leka Systems. THE truly lightweight conservatory roofing systems.