{"product_id":"corten-steel-threshold-storm-drainage-channel-system","title":"Corten Steel Threshold Storm Drainage Channel System","description":"\u003c!-- more --\u003e\n\u003ch2\u003eA Sleek, Corrosion-Resistant Drainage Solution For Patios, Paths \u0026amp; Thresholds\u003c\/h2\u003e\n\u003cp\u003eThe Corten Steel Threshold Drainage Channel System is a slimline surface water drainage system, ideal for eliminating pooling near doorways, patios, walkways, and non-trafficked areas. Designed for domestic installations, it includes a 1m channel, corner piece, and T-piece - all constructed from robust extruded PVC with a distinctive Corten steel heel guard grating.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePractical surface water control with architectural appeal\u003c\/h3\u003e\n\u003cp\u003eThis system combines discreet functionality with industrial-style aesthetics. The narrow 65mm width sits flush to surfaces and connects easily to standard underground drainage systems, while the Corten grating develops a weathered patina over time that protects the steel and enhances visual appeal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSlim 65mm profile – ideal for thresholds, patios, and paved areas\u003c\/li\u003e\n\u003cli\u003eGrating develops a natural patina that resists corrosion and adds character\u003c\/li\u003e\n\u003cli\u003eQuick to install with optional 50mm or 80mm outlet\u003c\/li\u003e\n\u003cli\u003eRemovable heel guard grating for easy cleaning and access\u003c\/li\u003e\n\u003cli\u003eCompliant with BS EN 1433:2002 Load Class A15 and Building Regulations Part M\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eProduct Variants\u003c\/h3\u003e\n\u003cp\u003eChoose the configuration that suits your layout:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreshold Channel (1m Length)\u003c\/strong\u003e\u003cbr\u003eMain channel element for linear drainage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Piece\u003c\/strong\u003e\u003cbr\u003eAllows drainage lines to turn corners.\u003cbr\u003e\u003cem\u003eDimensions:\u003c\/em\u003e L149 × W65 × H100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Shaped Piece\u003c\/strong\u003e\u003cbr\u003eAdds layout flexibility with a three-way connection.\u003cbr\u003e\u003cem\u003eDimensions:\u003c\/em\u003e W65 × H100 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Guidance\u003c\/h3\u003e\n\u003ch4\u003e1. Planning and Preparation\u003c\/h4\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eDetermine layout and whether a side or bottom outlet is needed. Cut the trench approx. 15 cm deep and 10 cm wide.\u003c\/p\u003e\n\u003ch4\u003e2. Outlet Options\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eSide outlet:\u003c\/em\u003e integrated in the end cap (Ø50 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eBottom outlet:\u003c\/em\u003e requires drilling a Ø45 mm hole in the channel base (max 6m channel per bottom outlet or 5m per side outlet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e3. Installation Steps\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eApply stabilised sand (1:3 cement:sand mix) in trench to create base\u003c\/li\u003e\n\u003cli\u003eFit outlet connectors and position channels with end caps in place\u003c\/li\u003e\n\u003cli\u003eAdjust channels to final level and embed using sand\/cement backfill\u003c\/li\u003e\n\u003cli\u003eEnsure grating remains fitted during install to maintain form\u003c\/li\u003e\n\u003cli\u003eCut channels to size if required; file ends smooth\u003c\/li\u003e\n\u003cli\u003eUse PVC adhesive to seal plastic joints for a watertight connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Leave channels 3–5mm below adjacent paving level to avoid surface staining from Corten patina.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Width:\u003c\/strong\u003e 65 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Height:\u003c\/strong\u003e 100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength (Channel):\u003c\/strong\u003e 1000 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial (Base):\u003c\/strong\u003e Extruded PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrating Options:\u003c\/strong\u003e Corten Steel (patina develops over time)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.65 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Class:\u003c\/strong\u003e A15 (15kN), pedestrian-rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e BS EN 1433:2002, Part M Building Regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eAccessories Available\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnd caps (\u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/alusthetic-threshold-drainage-system-accessories?variant=43973133205701\"\u003ewith \u003c\/a\u003eor \u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/alusthetic-threshold-drainage-system-accessories?variant=43973133172933\"\u003ewithout \u003c\/a\u003e50mm outlet)\u003c\/li\u003e\n\u003cli\u003eBottom connector (\u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/alusthetic-threshold-drainage-system-accessories?variant=43973133140165\"\u003ewith \u003c\/a\u003eor \u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/alusthetic-threshold-drainage-system-accessories?variant=43973133107397\"\u003ewithout \u003c\/a\u003eØ80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/corten-steel-threshold-storm-drainage-channel-system?variant=43958706569413\"\u003eCorner unit\u003c\/a\u003e (90° redirection)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/corten-steel-threshold-storm-drainage-channel-system?variant=43958706602181\"\u003eT-piece connector\u003c\/a\u003e (3-way layout)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/threshold-drainage-solvent-weld\"\u003ePVC solvent adhesive \u003c\/a\u003e(for watertight seals)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/alusthetic-threshold-drainage-system-accessories?variant=43973133238469\"\u003eDebris trap\u003c\/a\u003e and \u003ca href=\"https:\/\/ecotradecounterhype.com\/products\/alusthetic-threshold-drainage-system-accessories?variant=43973133271237\"\u003elifting keys\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4 style=\"padding-left: 40px;\"\u003eIs the Corten grating rusted when it arrives?\u003c\/h4\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eNo. It starts dark grey\/black and weathers over time when exposed to moisture, forming its protective patina.\u003c\/p\u003e\n\u003ch4 style=\"padding-left: 40px;\"\u003eCan this system be used with block paving?\u003c\/h4\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eYes, provided the paving is non-trafficked. The channel is designed for patios, paths, and domestic thresholds.\u003c\/p\u003e\n\u003ch4 style=\"padding-left: 40px;\"\u003eHow do I connect the drain to underground pipework?\u003c\/h4\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eUse either the 50mm side outlet or 80mm bottom outlet. A siphon is recommended for connections to foul water systems.\u003c\/p\u003e\n\u003ch4 style=\"padding-left: 40px;\"\u003eWhat’s the flow rate capacity?\u003c\/h4\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eUp to 360 litres per metre (L\/m), depending on outlet configuration and install conditions.\u003c\/p\u003e\n\u003ch4 style=\"padding-left: 40px;\"\u003eCan I cut the channel to size?\u003c\/h4\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eYes, the PVC base and steel grating can be sawn to your required length. Smooth edges after cutting.\u003c\/p\u003e","brand":"Alusthetic","offers":[{"title":"Threshold Channel (1m Length)","offer_id":43958706536645,"sku":"AS-THR-1M-CS","price":38.03,"currency_code":"GBP","in_stock":true},{"title":"Corner Piece","offer_id":43958706569413,"sku":"AS-THR-COR-CS","price":41.41,"currency_code":"GBP","in_stock":true},{"title":"T-Shaped Piece","offer_id":43958706602181,"sku":"AS-THR-TS-CS","price":44.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/9157\/7029\/files\/ThresholdDrain1mBodyInCorTenSteel_128ef26c-0c28-4111-94e5-371ba3daf02c.jpg?v=1724075950","url":"https:\/\/ecotradecounterhype.com\/products\/corten-steel-threshold-storm-drainage-channel-system","provider":"Eco Trade Counter","version":"1.0","type":"link"}