{"product_id":"fiamma-04328b01d-40x40-crystal-top-caravan-roof-vent","title":"Fiamma Vent 40 Crystal Roof Vent 40x40 | Caravan Motorhome Campervan Rooflight | 04328B01D","description":"\u003cp\u003eThe \u003cstrong\u003eFiamma Vent 40 Crystal\u003c\/strong\u003e (item no. \u003cstrong\u003e04328B01D\u003c\/strong\u003e) is a 40 x 40cm rooflight and ventilation unit for caravans, motorhomes, campervans and van conversions. The translucent \"crystal\" dome floods the interior with natural light while the built-in permanent ventilation keeps air moving even when closed. It fits the standard \u003cstrong\u003e390 x 390mm roof cut-out\u003c\/strong\u003e, making it a direct replacement for older Fiamma 40x40 rooflights — check the fitment details below.\u003c\/p\u003e\u003ch3\u003eKey features \u0026amp; benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight + airflow:\u003c\/strong\u003e tinted crystal dome lets daylight in; permanent ventilation gives constant air exchange, cutting condensation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy manual opening\u003c\/strong\u003e via winding handwheel, with a centre support arm for stability when open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated mosquito net\u003c\/strong\u003e keeps insects and debris out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatertight patented rubber seal\u003c\/strong\u003e and UV-resistant materials — rain runs off without getting in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerodynamic low-noise design\u003c\/strong\u003e — no separate spoiler needed, reduced vibration at motorway speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e⚠ Fitment — please confirm before buying\u003c\/h3\u003e\u003cp\u003eConfirm your roof aperture and thickness before ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof cut-out:\u003c\/strong\u003e standard 390 x 390mm; the reinforced frame adapts to openings from 360 x 360mm up to 420 x 420mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof thickness:\u003c\/strong\u003e 25–50mm as standard. Thicker roofs (up to 85mm) need Fiamma's optional extension kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacing an old unit?\u003c\/strong\u003e It's interchangeable with previous-generation Fiamma 40x40 rooflights — the existing aperture should work without modification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem number\u003c\/td\u003e\n\u003ctd\u003e04328B01D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal size\u003c\/td\u003e\n\u003ctd\u003e40 x 40 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoof cut-out\u003c\/td\u003e\n\u003ctd\u003e390 x 390 mm (fits 360–420 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoof thickness\u003c\/td\u003e\n\u003ctd\u003e25–50 mm (85 mm with optional extension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening\u003c\/td\u003e\n\u003ctd\u003eManual winding handle, centre support arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFly screen\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlind\u003c\/td\u003e\n\u003ctd\u003eNot integrated (optional Rollo Vent 40 available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDome\u003c\/td\u003e\n\u003ctd\u003eTranslucent tinted \"Crystal\", UV-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. weight\u003c\/td\u003e\n\u003ctd\u003e2.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cp\u003e1 × Fiamma Vent 40 Crystal rooflight with integrated fly screen and winding handle. \u003cstrong\u003eFixing screws and sealant are not included\u003c\/strong\u003e — you'll need approx. 20 screws and a suitable non-setting sealant (e.g. Sikalastomer-710).\u003c\/p\u003e\u003ch3\u003eWhy buy from Motor Synergy\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree delivery\u003c\/strong\u003e — with you in 2 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 days free returns\u003c\/strong\u003e, hassle-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal support:\u003c\/strong\u003e unsure about fitment? Contact us before you order and we'll check.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWill it fit my caravan\/motorhome?\u003c\/strong\u003e If your roof aperture is 360–420mm square and the roof is 25–50mm thick, yes. Measure before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the dome see-through?\u003c\/strong\u003e It's translucent tinted — it lets light in but isn't fully transparent, so you keep some privacy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I add a blackout blind?\u003c\/strong\u003e Yes — the optional Fiamma Rollo Vent 40x40 roller blind fits this Crystal version.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need a spoiler?\u003c\/strong\u003e No — the aerodynamic dome is designed to run quietly without one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat do I need to install it?\u003c\/strong\u003e Screws (~20, not supplied), suitable sealant, and basic tools. If your roof is thicker than 50mm, add the Fiamma extension kit.\u003c\/p\u003e","brand":"Motor Synergy Ltd","offers":[{"title":"Default Title","offer_id":57643533664587,"sku":"100|RF.VENT.35x35.BLACK","price":56.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1056\/6929\/6459\/files\/s-l1600_bb2b5438-bb54-4636-9f71-c241ace30e8b.webp?v=1782950778","url":"https:\/\/www.motorsynergy.co.uk\/products\/fiamma-04328b01d-40x40-crystal-top-caravan-roof-vent","provider":"Motor Synergy Ltd","version":"1.0","type":"link"}