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The clear layer works effectively to minimise the noise of the foil.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420866240855,"sku":"08-360-120","price":5.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-120_1.jpg?v=1777362449"},{"product_id":"ram-aluduct-low-noise-ducting-254mm-x-5m","title":"RAM ALUDUCT Low Noise Ducting - 254mm x 5m","description":"\u003cp\u003eThe RAM ALUDUCT Low Noise Ducting with a metal layer on the inside and a clear layer on the outside makes it flexible and adaptable to shape. The clear layer works effectively to minimise the noise of the foil.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420866404695,"sku":"08-360-125","price":6.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-125_1.jpg?v=1777362461"},{"product_id":"ram-aluduct-low-noise-ducting-315mm-x-5m","title":"RAM ALUDUCT Low Noise Ducting - 315mm x 5m","description":"\u003cp\u003eThe RAM ALUDUCT Low Noise Ducting with a metal layer on the inside and a clear layer on the outside makes it flexible and adaptable to shape. 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The inter-liner is in place between the fibrewool and the perforated inner duct to avoid fibrewool particles from entering the air stream and reducing flow rates from wool drag. It also acts as a barrier against damp expelled air from entering the fibre wool creating a breeding ground for pathogens. The products have been tested for fire resistance.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420867158359,"sku":"08-360-150","price":7.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-150_1.jpg?v=1777362635"},{"product_id":"ram-sonoduct-acoustic-ducting-127mm-x-5m","title":"RAM SONODUCT Acoustic Ducting - 127mm x 5m","description":"\u003cp\u003eThe RAM SONODUCT Ducting is ideal for reducing duct borne noise as well as fan muffling and heat. 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The inter-liner is in place between the fibrewool and the perforated inner duct to avoid fibrewool particles from entering the air stream and reducing flow rates from wool drag. It also acts as a barrier against damp expelled air from entering the fibre wool creating a breeding ground for pathogens. The products have been tested for fire resistance.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420867682647,"sku":"08-360-160","price":13.4,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-160_1.jpg?v=1777362661"},{"product_id":"ram-sonoduct-acoustic-ducting-203mm-x-5m","title":"RAM SONODUCT Acoustic Ducting - 203mm x 5m","description":"\u003cp\u003eThe RAM SONODUCT Ducting is ideal for reducing duct borne noise as well as fan muffling and heat. 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The products have been tested for fire resistance.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420868043095,"sku":"08-360-165","price":14.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-165_1.jpg?v=1777362674"},{"product_id":"ram-sonoduct-acoustic-ducting-254mm-x-5m","title":"RAM SONODUCT Acoustic Ducting - 254mm x 5m","description":"\u003cp\u003eThe RAM SONODUCT Ducting is ideal for reducing duct borne noise as well as fan muffling and heat. Constructed using micro perforated inner ducting to dampen noise and an acoustically transparent inter-liner which acts as a vapour barrier, this ducting has 25mm fibrewool insulation and is covered with an outer jacket, which is a multi-layer Aluminium\/PET mix offering great flexibility and strength. The inter-liner is in place between the fibrewool and the perforated inner duct to avoid fibrewool particles from entering the air stream and reducing flow rates from wool drag. It also acts as a barrier against damp expelled air from entering the fibre wool creating a breeding ground for pathogens. The products have been tested for fire resistance.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420868305239,"sku":"08-360-170","price":19.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-170_1.jpg?v=1777362686"},{"product_id":"ram-sonoduct-acoustic-ducting-315mm-x-5m","title":"RAM SONODUCT Acoustic Ducting - 315mm x 5m","description":"\u003cp\u003eThe RAM SONODUCT Ducting is ideal for reducing duct borne noise as well as fan muffling and heat. 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The products have been tested for fire resistance.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420868501847,"sku":"08-360-175","price":24.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-175_1.jpg?v=1777362700"},{"product_id":"ram-combi-duct-lightproof-ducting-102mm-x-10m","title":"RAM Combi-Duct Lightproof Ducting - 102mm x 10m","description":"\u003cp\u003eA 4 layer multi-laminated construction with an encapsulating high tensile steel wire helix that ensures strength and durability. The black PVC outer is totally plant safe and a strong vapour\/light barrier ensuring extra air tightness over standard alloy ducting while still being very flexible. Due to the 4 layers (when fully extended), the ducting folds it shape with a seamless void delivering low pressure drop and no particulate clogging and low noise when in use. This ducting has a clear layer on the inside and a black lightproof layer on the outside. The clear layer works effectively to minimise the noise of the foil.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420868731223,"sku":"08-360-205","price":7.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-205_1.jpg?v=1777362507"},{"product_id":"ram-combi-duct-lightproof-ducting-127mm-x-10m","title":"RAM Combi-Duct Lightproof Ducting - 127mm x 10m","description":"\u003cp\u003eA 4 layer multi-laminated construction with an encapsulating high tensile steel wire helix that ensures strength and durability. The black PVC outer is totally plant safe and a strong vapour\/light barrier ensuring extra air tightness over standard alloy ducting while still being very flexible. Due to the 4 layers (when fully extended), the ducting folds it shape with a seamless void delivering low pressure drop and no particulate clogging and low noise when in use. This ducting has a clear layer on the inside and a black lightproof layer on the outside. The clear layer works effectively to minimise the noise of the foil.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420868993367,"sku":"08-360-210","price":9.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-210_1.jpg?v=1777362519"},{"product_id":"ram-combi-duct-lightproof-ducting-152mm-x-10m","title":"RAM Combi-Duct Lightproof Ducting - 152mm x 10m","description":"\u003cp\u003eA 4 layer multi-laminated construction with an encapsulating high tensile steel wire helix that ensures strength and durability. The black PVC outer is totally plant safe and a strong vapour\/light barrier ensuring extra air tightness over standard alloy ducting while still being very flexible. Due to the 4 layers (when fully extended), the ducting folds it shape with a seamless void delivering low pressure drop and no particulate clogging and low noise when in use. This ducting has a clear layer on the inside and a black lightproof layer on the outside. The clear layer works effectively to minimise the noise of the foil.\u003c\/p\u003e","brand":"RAM - RAPID AIR MOVEMENT","offers":[{"title":"Default Title","offer_id":53420871811415,"sku":"08-360-215","price":11.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1003\/2558\/9335\/files\/08-360-215_1.jpg?v=1777362531"},{"product_id":"ram-combi-duct-lightproof-ducting-203mm-x-10m","title":"RAM Combi-Duct Lightproof Ducting - 203mm x 10m","description":"\u003cp\u003eA 4-layer multi-laminated ducting with an encapsulated high tensile steel wire helix which holds the open round shape of the duct to give less drag than competitor products, and thus less noise and less pressure drop in service. The aluminium and polyester inner layers minimise noise, while the tough black PVC copolymer outer acts as a vapour and light barrier and improved airtightness while remaining flexible. Totally plant safe. Supplied individually boxed in a 5m length. In the event of a fire, RAM Combi-Duct will emit no toxic gases.  \u003cbr\u003e\u003cstrong\u003eKey selling points: \u003c\/strong\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDucting holds its open round shape in all conditions \u003c\/li\u003e\n\u003cli\u003eLightproof, low-noise and plant safe \u003c\/li\u003e\n\u003cli\u003eFits to round inlet\/outlet spigots of fans, filters or junctions \u003c\/li\u003e\n\u003cli\u003eEasily cut to length without special tools \u003c\/li\u003e\n\u003cli\u003eSeal joints with standard clamps or duct tape \u003c\/li\u003e\n\u003cli\u003eFire resistant – will not emit toxic gases in case of fire \u003c\/li\u003e\n\u003cli\u003eNoncorrosive to common metals \u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003eTechnical Specifications:  \u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eNominal diameter: 200mm (8”) \u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminium\/polyester laminate with high-tensile steel helical wire reinforcement and PVC copolymer outer \u003c\/li\u003e\n\u003cli\u003eTemperature range in service: -30°C - 120°C (-22°F - 248°F) \u003c\/li\u003e\n\u003cli\u003eMaximum air velocity: 30 m\/s (98.4 ft\/s) \u003c\/li\u003e\n\u003cli\u003eMaximum positive air pressure: 2500 Pa (0.36 psi) \u003c\/li\u003e\n\u003cli\u003eSupplied length: 5m (16’ 5”) compressed to 0.5m (19.7”)   \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003e\u003cstrong\u003eFAQs: \u003c\/strong\u003e\u003cstrong\u003e \u003cbr\u003eQ: How should I install my ducting for best ventilation system performance?\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cbr\u003eA: All systems differ, but there are some basic guidelines which you should follow when designing your system: \u003cul\u003e\n\u003cli\u003eAvoid excessive lengths of duct. Ducting lengths should be taut when installed \u003c\/li\u003e\n\u003cli\u003eSupport ducting adequately. Don’t allow it to dangle over beams or hangers and become kinked \u003c\/li\u003e\n\u003cli\u003eKeep any bends as gradual as possible. 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Totally plant safe. \u003cbr\u003eSupplied individually boxed in a 5m length. 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The aluminium and polyester inner layers minimise noise, while the tough black PVC copolymer outer acts as a vapour and light barrier and improved airtightness while remaining flexible. Totally plant safe. Supplied individually boxed in a 5m length. 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