{"product_id":"rytons-9x3-cowled-acoustic-airliner-set-with-hit-miss-ventilator","title":"Rytons 9x3 Cowled Acoustic AirLiner Set with Hit \u0026 Miss Ventilator","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eRytons 9x3 Cowled Acoustic AirLiner Set with Hit \u0026amp; Miss Ventilator\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"mb-2 last:mb-0\"\u003eAre you struggling to ventilate your space effectively while minimizing noise and protecting against harsh weather conditions?\u003c\/p\u003e\n\u003cp class=\"mb-2 last:mb-0\"\u003eTraditional vents often compromise on sound insulation and weather protection, allowing noise and elements to disrupt your environment.\u003c\/p\u003e\n\u003cp class=\"mb-2 last:mb-0\"\u003eIntroducing the Rytons 9x3 Cowled Acoustic AirLiner Set with Hit \u0026amp; Miss Ventilator, a telescopic cavity liner set with an external cowl designed for optimal ventilation and sound reduction. Ideal for noisy areas, this system reduces noise infiltration by up to 40 dB and features an external cowl to protect against excessive weather, ensuring a quieter and more comfortable environment.\u003c\/p\u003e\n\u003ch3 class=\"mb-2 last:mb-0\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Noise Reduction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReduces sound by 39 dB with the internal grille fully open and 40 dB when closed, tested by BRE Acoustics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Ventilation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOffers a 6,300mm² equivalent area, tested to BS EN 13141-1:2004 and independently verified by BRE.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign and Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures an external cowl to protect against weather and alleviate air blasts, with a manually adjustable hit \u0026amp; miss grille for controlled ventilation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Composition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMade from U.V. stabilized high-impact polystyrene and polypropylene, ensuring longevity and resistance to sunlight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAvailable in Terracotta and Buff\/Sand, with a white hit \u0026amp; miss grille.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"mb-2 last:mb-0\"\u003e\u003cstrong\u003eInstallation and Compliance:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Installation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo special fixing required; build in the cavity liner with the air brick, extend the telescopic sleeve, and fasten the cowl and ventilator as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulation Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eComplies with Building Regulations Part F, requiring installation not less than 1.7m above floor level.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"mb-2 last:mb-0\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCowl: 255mm L x 96mm H x 44mm D. Acoustic AirLiner sleeve: 220mm W x 71mm H, extends from 250mm to 368mm L. Hit \u0026amp; Miss grille: 271mm L x 95mm H.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"mb-2 last:mb-0\"\u003e\u003cstrong\u003eReference Material:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMeasurement of airborne sound insulation according to BS EN 20140-10: 1992. Equivalent area tested to BS EN 13141-1:2004.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mb-2 last:mb-0\"\u003eEnhance your space with the Rytons 9x3 Cowled Acoustic AirLiner Set. Order now to achieve superior sound insulation and weather protection. Trust Advanced Acoustics for quality products and expert support.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eQuestions \u0026amp; Answers:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill installing more than one vent to achieve a greater free area have an effect on the acoustic performance?\u003c\/strong\u003e We asked the BRE who said \"The performance of the ventilator will not degrade when you put in more of them. The composite sound insulation performance of the facade will degrade if you increase the number of ventilators, assuming that they are one of the weaker links.\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill the vent reduce sound from inside to outside as well as from outside to inside?\u003c\/strong\u003e The BRE has advised us that it's reasonable to assume that 'reciprocity' applies to the vents. That is, the third octave values for sound reduction index are the same in both directions (out to in and in to out).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"display: none; position: absolute; z-index: 99999999; width: 80px; height: 31px; background-image: url('moz-extension:\/\/e3ae15ef-4594-4877-b64f-0a78db5944ec\/images\/zshare.png'); background-size: 80px 31px; opacity: 0.9; cursor: pointer; top: 0px; left: 0px;\" id=\"zoho_button_ext\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gojgYjds8eU\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Rytons","offers":[{"title":"Terracotta","offer_id":39564940869771,"sku":"TAL4HMCWLT","price":198.95,"currency_code":"EUR","in_stock":true},{"title":"Buff\/Sand","offer_id":39564940902539,"sku":"TAL4HMCWLS","price":198.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0381\/4483\/5723\/products\/tc8hmcwl-tal4hmcwl-rytons-9x3-cowled-ventilation-set-with-hit-and-miss-ventilator-buffsand-airbrick-cowl-640x457.jpg?v=1632219202","url":"https:\/\/www.advancedacoustics-uk.com\/en-it\/products\/rytons-9x3-cowled-acoustic-airliner-set-with-hit-miss-ventilator","provider":"Advanced Acoustics","version":"1.0","type":"link"}