{"product_id":"c-3-21","title":"Aluminium profile for setting up linear lighting C-3-21","description":"\u003cdiv style=\"font-family: sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eRecessed profile C-3-21 for linear lighting\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003e\u003cstrong\u003eC-3-21 is a profile for creating light lines in plasterboard ceilings and walls. The profile geometry and diffuser quality ensure even illumination.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eThe C-3-21 profile is designed for integration into the plasterboard surface and is mechanically fixed. It creates a clean linear light opening with an optimal width of 21 mm. This solution is suitable for residential and commercial projects. The profile is an excellent choice when you need high-quality, understated linear lighting for modern interiors.\u003c\/p\u003e\n\u003cdiv style=\"margin: 25px 0; padding: 0;\"\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eTechnical library for architects:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e📑 \u003ca style=\"text-decoration: underline; color: #333;\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0666\/9785\/5195\/files\/ASP_Product_Catalogs_2026_EN.pdf?v=1771626892\" target=\"_blank\"\u003eView catalogue (PDF)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e📐 \u003ca style=\"text-decoration: underline; color: #333;\" download=\"\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0666\/9785\/5195\/files\/ASP_DWG_Profiles.rar?v=1771626446\"\u003eDownload technical drawings (DWG)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e🧊 \u003ca style=\"text-decoration: underline; color: #333;\" download=\"\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0666\/9785\/5195\/files\/ASP_3D_Models.rar?v=1771626760\"\u003eDownload 3D models\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e🧪 \u003cstrong\u003e\u003ca style=\"color: #333; text-decoration: underline;\" href=\"\/collections\/samples\/products\/samples-profiles\"\u003eOrder samples\u003c\/a\u003e\u003c\/strong\u003e — this will help you select the ideal solutions for your clients in person in future projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- OPTIONAL: UK NOTICE START --\u003e\n\u003cdiv style=\"margin: 20px 0; border-top: 1px solid #eee; border-bottom: 1px solid #eee; padding: 15px 0;\"\u003e\n\u003cdetails\u003e\n\u003csummary class=\"custom-cursor-on-hover\" style=\"cursor: pointer; font-weight: bold; outline: none; color: #333;\"\u003e🇬🇧 Notice for customers in the United Kingdom\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; font-size: 0.9em; color: #555; line-height: 1.5;\"\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong\u003ePayment and taxes:\u003c\/strong\u003e Our website automatically identifies your region and does not charge VAT (VAT 0%) at checkout. You can choose any payment method — the price will remain tax-free. Please note that UK import VAT is still collected by the courier upon delivery.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px;\"\u003e\u003cstrong\u003eLogistics and inspection:\u003c\/strong\u003e Delivery of oversized items from our EU warehouses typically takes 3–10 business days. Please inspect your order within 3 calendar days of receipt.\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 0.85em; color: #888;\"\u003eReference: \u003ca style=\"color: #333; text-decoration: underline;\" href=\"https:\/\/www.gov.uk\/goods-sent-from-abroad\/tax-and-duty\" target=\"_blank\"\u003eofficial information on gov.uk\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!-- OPTIONAL: UK NOTICE END --\u003e\n\u003ch3 style=\"margin: 18px 0 12px;\"\u003eKey advantages of C-3-21\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 14px; padding-left: 18px;\"\u003e\n\u003cli\u003eProfile for linear lighting in plasterboard: designed for installation flush with ceilings and walls, creating stable light recess geometry with a width of 21 mm.\u003c\/li\u003e\n\u003cli\u003eComplete solution: the diffuser is included, so there is no need to source compatible components separately.\u003c\/li\u003e\n\u003cli\u003eHeat dissipation for LED strip: the aluminium body acts as a heat sink and helps extend LED service life.\u003c\/li\u003e\n\u003cli\u003eArchitectural flexibility: convenient for creating continuous light lines and ceiling-to-wall transitions.\u003c\/li\u003e\n\u003cli\u003eMechanical fixing ensures predictable geometry during finishing works.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 18px 0 12px;\"\u003eFinish options\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 14px; padding-left: 18px;\"\u003e\n\u003cli\u003eStandard: natural aluminium\u003c\/li\u003e\n\u003cli\u003ePowder coating in any RAL colour — on request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003e\u003cstrong\u003eHow to order a custom colour?\u003c\/strong\u003e Click the “I want it painted in my colour” button, then click “FOLLOW UP”, enter your e-mail address and send your request. We will contact you to confirm the details.\u003c\/p\u003e\n\u003ch3 style=\"margin: 18px 0 12px;\"\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 14px; padding-left: 18px;\"\u003e\n\u003cli\u003eModel: C-3-21\u003c\/li\u003e\n\u003cli\u003eLight channel width: 21 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminium\u003c\/li\u003e\n\u003cli\u003eAluminium profile — 2000 mm\u003c\/li\u003e\n\u003cli\u003eDiffuser: light-stabilised, matte, white\u003c\/li\u003e\n\u003cli\u003eInstallation type: mechanical fixing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin: 18px 0 12px;\"\u003eInstallation instructions (short)\u003c\/h3\u003e\n\u003col style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eInstall the profile onto the metal substructure for plasterboard installation and fix it mechanically.\u003c\/li\u003e\n\u003cli\u003eAttach the plasterboard to the metal substructure and to the profile.\u003c\/li\u003e\n\u003cli\u003eComplete the final finishing of the surfaces while maintaining the geometry of the light opening.\u003c\/li\u003e\n\u003cli\u003eInstall the LED strip (according to the project) and click in the diffuser after all finishing works are completed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"ASP profiles","offers":[{"title":"Per unit (2.0 linear metres) \/ Natural Aluminium","offer_id":43555819651291,"sku":"С-3-21 with diffusor","price":40.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9785\/5195\/products\/profil_C-3-21_w_01.jpg?v=1667806307","url":"https:\/\/asp-profiles.com\/products\/c-3-21","provider":"ASP Profiles","version":"1.0","type":"link"}