{"product_id":"james-hardie-hardieplank-top-ventilation-profile-3m-aluminium-cladding-vent-trim-25mm-38mm-50mm-depth-options","title":"James Hardie HardiePlank Top Ventilation Profile 3m Aluminium Cladding Vent Trim – 25mm, 38mm \u0026 50mm Depth Options","description":"\u003cp data-start=\"65\" data-end=\"310\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eJames Hardie\u003c\/span\u003e\u003c\/span\u003e Hardie® Plank Top Ventilation Profile is an aluminium ventilation trim designed to finish the \u003cstrong\u003etop edge\u003c\/strong\u003e of a fibre cement cladding installation while maintaining the airflow required behind the facade system.\u003c\/p\u003e\n\u003cp data-start=\"312\" data-end=\"703\"\u003eInstalled at the top of the cladding run - typically beneath soffits, rooflines or horizontal termination points - this unique profile allows air to circulate through the cavity behind the HardiePlank boards. Proper ventilation is a critical part of any rainscreen cladding system, helping moisture escape and supporting the long-term performance of both the cladding and supporting timber battens.\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"887\"\u003eManufactured from lightweight anodised aluminium, the profile is corrosion-resistant, easy to cut on site, and designed specifically to integrate with James Hardie® cladding systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"565rdu\" data-start=\"889\" data-end=\"939\"\u003eWhat the Top Ventilation Profile Actually Does\u003c\/h3\u003e\n\u003cul data-start=\"941\" data-end=\"1817\"\u003e\n\u003cli data-section-id=\"eqargx\" data-start=\"941\" data-end=\"1097\"\u003e\n\u003cstrong data-start=\"943\" data-end=\"984\"\u003eMaintains airflow behind the cladding\u003c\/strong\u003e\u003cbr data-start=\"984\" data-end=\"987\"\u003eAllows air to exit at the top of the facade system, helping create continuous ventilation behind the boards.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kor9do\" data-start=\"1099\" data-end=\"1349\"\u003e\n\u003cstrong data-start=\"1101\" data-end=\"1148\"\u003eSupports ventilated rainscreen construction\u003c\/strong\u003e\u003cbr data-start=\"1148\" data-end=\"1151\"\u003eJames Hardie installation guidance requires a free-flow ventilation cavity behind the cladding with airflow openings at both the bottom and top of the facade.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6mib9m\" data-start=\"1351\" data-end=\"1501\"\u003e\n\u003cstrong data-start=\"1353\" data-end=\"1395\"\u003eHelps reduce trapped moisture build-up\u003c\/strong\u003e\u003cbr data-start=\"1395\" data-end=\"1398\"\u003eProper airflow behind fibre cement cladding assists drainage and drying within the wall construction.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ldummx\" data-start=\"1503\" data-end=\"1666\"\u003e\n\u003cstrong data-start=\"1505\" data-end=\"1545\"\u003eProtects ventilation gaps from pests\u003c\/strong\u003e\u003cbr data-start=\"1545\" data-end=\"1548\"\u003eThe perforated aluminium profile helps stop insects and vermin entering the cavity while still allowing ventilation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"eap43u\" data-start=\"1668\" data-end=\"1817\"\u003e\n\u003cstrong data-start=\"1670\" data-end=\"1707\"\u003eCreates a cleaner roofline finish\u003c\/strong\u003e\u003cbr data-start=\"1707\" data-end=\"1710\"\u003eProvides a tidy and professional transition detail where the cladding meets the soffit or roof structure.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1iqwnvz\" data-start=\"1819\" data-end=\"1879\"\u003eHow the HardiePlank Top Ventilation Profile Is Installed\u003c\/h3\u003e\n\u003cul data-start=\"1881\" data-end=\"2927\"\u003e\n\u003cli data-section-id=\"e2gsrd\" data-start=\"1881\" data-end=\"2033\"\u003e\n\u003cstrong data-start=\"1883\" data-end=\"1939\"\u003eFixed horizontally at the top of the cladding system\u003c\/strong\u003e\u003cbr data-start=\"1939\" data-end=\"1942\"\u003eInstalled across the upper edge of the timber battens before the final boards are fitted.\u003c\/li\u003e\n\u003cli data-section-id=\"1plh9lh\" data-start=\"2035\" data-end=\"2271\"\u003e\n\u003cstrong data-start=\"2037\" data-end=\"2080\"\u003ePositioned below the soffit or roofline\u003c\/strong\u003e\u003cbr data-start=\"2080\" data-end=\"2083\"\u003eThe Hardie installation guide specifies that battens should finish 20mm below the soffit area so the ventilation profile can be installed correctly.\u003c\/li\u003e\n\u003cli data-section-id=\"1i07bs8\" data-start=\"2273\" data-end=\"2527\"\u003e\n\u003cstrong data-start=\"2275\" data-end=\"2317\"\u003eAllows the required airflow outlet gap\u003c\/strong\u003e\u003cbr data-start=\"2317\" data-end=\"2320\"\u003eJames Hardie guidance states there should be a minimum 10mm ventilation gap between the top edge of the cladding and the soffit to maintain airflow through the cavity.\u003c\/li\u003e\n\u003cli data-section-id=\"18bn8wj\" data-start=\"2529\" data-end=\"2782\"\u003e\n\u003cstrong data-start=\"2531\" data-end=\"2578\"\u003eInstalled to maintain concealed ventilation\u003c\/strong\u003e\u003cbr data-start=\"2578\" data-end=\"2581\"\u003eOnce the final HardiePlank board is installed level with the corner trims, the ventilation profile remains hidden while still allowing airflow behind the facade.\u003c\/li\u003e\n\u003cli data-section-id=\"i2x0x7\" data-start=\"2784\" data-end=\"2927\"\u003e\n\u003cstrong data-start=\"2786\" data-end=\"2813\"\u003eMatched to cavity depth\u003c\/strong\u003e\u003cbr data-start=\"2813\" data-end=\"2816\"\u003eAvailable in 25mm, 38mm and 50mm depths to suit different batten systems and ventilation cavity requirements.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1a3b6xw\" data-start=\"2929\" data-end=\"2976\"\u003eWhy Installers Use Top Ventilation Profiles\u003c\/h3\u003e\n\u003cul data-start=\"2978\" data-end=\"3373\"\u003e\n\u003cli data-section-id=\"12xp9ca\" data-start=\"2978\" data-end=\"3043\"\u003eHelps comply with recommended cladding ventilation requirements\u003c\/li\u003e\n\u003cli data-section-id=\"26zle6\" data-start=\"3044\" data-end=\"3104\"\u003eImproves airflow and moisture management behind the facade\u003c\/li\u003e\n\u003cli data-section-id=\"1qjjkpl\" data-start=\"3105\" data-end=\"3172\"\u003eReduces the risk of trapped condensation within the wall build-up\u003c\/li\u003e\n\u003cli data-section-id=\"dof9i4\" data-start=\"3173\" data-end=\"3233\"\u003eCreates a cleaner and more professional termination detail\u003c\/li\u003e\n\u003cli data-section-id=\"1klxl3d\" data-start=\"3234\" data-end=\"3269\"\u003eLightweight and simple to install\u003c\/li\u003e\n\u003cli data-section-id=\"1q11jf1\" data-start=\"3270\" data-end=\"3323\"\u003eCorrosion-resistant anodised aluminium construction\u003c\/li\u003e\n\u003cli data-section-id=\"jugc1i\" data-start=\"3324\" data-end=\"3373\"\u003eSuitable for all James Hardie® cladding systems\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dqbs77\" data-start=\"3375\" data-end=\"3401\"\u003eFull Item Specifications\u003c\/h3\u003e\n\u003cul data-start=\"3403\" data-end=\"3743\"\u003e\n\u003cli data-section-id=\"fixs99\" data-start=\"3403\" data-end=\"3451\"\u003eProduct: Hardie® Plank Top Ventilation Profile\u003c\/li\u003e\n\u003cli data-section-id=\"u249en\" data-start=\"3452\" data-end=\"3488\"\u003eMaterial: Plain Anodised Aluminium\u003c\/li\u003e\n\u003cli data-section-id=\"mjeua5\" data-start=\"3489\" data-end=\"3505\"\u003eLength: 3000mm\u003c\/li\u003e\n\u003cli data-section-id=\"1x7gpah\" data-start=\"3506\" data-end=\"3520\"\u003eHeight: 40mm\u003c\/li\u003e\n\u003cli data-section-id=\"15iosiu\" data-start=\"3521\" data-end=\"3556\"\u003eDepth Options: 25mm \/ 38mm \/ 50mm\u003c\/li\u003e\n\u003cli data-section-id=\"n4fkjp\" data-start=\"3557\" data-end=\"3584\"\u003eMaterial Thickness: 1.5mm\u003c\/li\u003e\n\u003cli data-section-id=\"1uil8x2\" data-start=\"3585\" data-end=\"3619\"\u003eWeight: Approx. 0.7kg per length\u003c\/li\u003e\n\u003cli data-section-id=\"qnoany\" data-start=\"3620\" data-end=\"3667\"\u003eInstallation Position: Top of cladding system\u003c\/li\u003e\n\u003cli data-section-id=\"1bt3bvw\" data-start=\"3668\" data-end=\"3743\"\u003eApplication: Ventilation outlet profile for fibre cement cladding systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1v5737w\" data-start=\"3745\" data-end=\"3770\"\u003eImportant Information\u003c\/h3\u003e\n\u003cul data-start=\"3772\" data-end=\"3979\"\u003e\n\u003cli data-section-id=\"12jhqml\" data-start=\"3772\" data-end=\"3843\"\u003eThis product is designed for use with James Hardie® cladding systems.\u003c\/li\u003e\n\u003cli data-section-id=\"glo412\" data-start=\"3844\" data-end=\"3908\"\u003eMust be installed as part of a ventilated cavity construction.\u003c\/li\u003e\n\u003cli data-section-id=\"we8gj0\" data-start=\"3909\" data-end=\"3979\"\u003eAvailable only when purchased alongside HardiePlank cladding boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"bp3dl\" data-start=\"3981\" data-end=\"4037\"\u003eA Critical Detail for Long-Term Cladding Performance\u003c\/h3\u003e\n\u003cp data-start=\"4039\" data-end=\"4360\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAlthough small, the top ventilation profile plays a major role in the overall performance of the cladding system. By maintaining airflow behind the facade and helping moisture escape correctly, it supports the durability of the full wall construction while delivering a cleaner and more professional finish at roof level.\u003c\/p\u003e","brand":"NBP","offers":[{"title":"25mm","offer_id":57075858866551,"sku":"5300185","price":18.38,"currency_code":"GBP","in_stock":true},{"title":"38mm","offer_id":57075858899319,"sku":"5300186","price":19.34,"currency_code":"GBP","in_stock":true},{"title":"50mm","offer_id":57075858932087,"sku":"5300187","price":20.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7366\/4054\/files\/HardieplankMetalTrim3m.jpg?v=1778174726","url":"https:\/\/tradewarehouse.co.uk\/products\/james-hardie-hardieplank-top-ventilation-profile-3m-aluminium-cladding-vent-trim-25mm-38mm-50mm-depth-options","provider":"Trade Warehouse","version":"1.0","type":"link"}