{"product_id":"james-hardie-hardieplank-vl-window-head-vertical-starter-trim-3m-cladding-profile","title":"James Hardie HardiePlank VL Window Head \u0026 Vertical Starter Trim 3m Cladding Profile","description":"\u003cp class=\"isSelectedEnd\"\u003eThe James Hardie HardiePlank VL Window Head \u0026amp; Vertical Starter Trim is a purpose-made, colour-matched profile for the HardiePlank VL Click \/ interlocking fibre cement cladding system.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThis clever dual-purpose 3m trim performs two different functions depending on how the HardiePlank VL boards are being installed:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs a window head trim when HardiePlank VL is installed horizontally\u003c\/li\u003e\n\u003cli\u003eAs a bottom starter trim when HardiePlank VL is installed vertically\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003eIt provides a neat finished edge while working with the ventilation requirements of the HardiePlank VL rainscreen system.\u003c\/p\u003e\n\u003ch3\u003eUse 1 – Window Head Trim for Horizontal HardiePlank VL\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eWhen HardiePlank VL boards are installed horizontally, this profile is used directly above windows and similar openings.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe cladding below and alongside the window has to stop at the opening, while a new run of boards begins above the window. The Window Head Trim creates a clean, colour-matched finishing detail across the top of the opening.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eJames Hardie's VL window detail shows the profile used together with a separate ventilation profile, allowing air to enter the cavity above the window while providing a neat finished edge to the cladding system.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThis is important because HardiePlank VL is installed as a ventilated rainscreen system – ventilation must be maintained around interruptions such as windows rather than simply sealing the cavity closed.\u003c\/p\u003e\n\u003ch3\u003eWhere does it sit around a window?\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eFor a typical horizontally clad window:\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eLeft and right sides: HardiePlank VL Window Reveal Trim\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eAcross the top of the window: HardiePlank VL Window Head \u0026amp; Vertical Starter Trim\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eBelow the window sill: HardiePlank VL J Profile, while maintaining the required ventilation gap\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThis means each part of the window opening has a purpose-made Hardie VL finishing detail.\u003c\/p\u003e\n\u003ch3\u003eUse 2 – Starter Trim for Vertical HardiePlank VL\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe same profile is also used when the HardiePlank VL boards are installed vertically.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eIn this application, the trim runs horizontally along the bottom of the cladding installation and forms the starting point for the vertical boards.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe lower edge of each HardiePlank VL board slots into the starter trim. This helps hold the boards in position, creates a straight and consistent bottom edge and conceals the cut ends of the vertical planks.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eJames Hardie's installation detail also uses a ventilation profile at the base so that the required airflow behind the vertical cladding can be maintained.\u003c\/p\u003e\n\u003ch3\u003eWhy is the Vertical Starter Trim important?\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eWhen VL boards are installed vertically, their cut ends would otherwise be visible at the bottom of the façade.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe starter profile provides a purpose-made channel for these board ends to sit within, giving the installation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA straight and consistent starting line\u003c\/li\u003e\n\u003cli\u003eSupport for the lower ends of the vertical boards\u003c\/li\u003e\n\u003cli\u003eA neat colour-matched finish\u003c\/li\u003e\n\u003cli\u003eConcealment of cut board ends\u003c\/li\u003e\n\u003cli\u003eCompatibility with the required base ventilation detail\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003eJames Hardie specifically states that the starter trim both holds the vertical planks in position and covers their cut ends.\u003c\/p\u003e\n\u003ch3\u003eImportant – don't confuse this with the standard VL Starter Profile\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eHardiePlank VL has two different starter products, depending on the direction in which the boards are installed.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eHorizontal HardiePlank VL:\u003cbr\u003eUse the separate HardiePlank VL Starter Profile at the bottom of the façade.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eVertical HardiePlank VL:\u003cbr\u003eUse this Window Head \u0026amp; Vertical Starter Trim at the bottom of the façade.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThe two profiles perform different jobs and should not be treated as interchangeable.\u003c\/p\u003e\n\u003ch3\u003eWhy use the genuine HardiePlank VL profile?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for HardiePlank VL Click \/ interlocking cladding\u003c\/li\u003e\n\u003cli\u003eDual-purpose profile for window heads and vertical starter details\u003c\/li\u003e\n\u003cli\u003eCreates a clean colour-matched finish\u003c\/li\u003e\n\u003cli\u003eConceals cut board edges\u003c\/li\u003e\n\u003cli\u003eSupports the lower ends of vertically installed VL boards\u003c\/li\u003e\n\u003cli\u003eIntegrates with the Hardie ventilation detailing\u003c\/li\u003e\n\u003cli\u003eDesigned around the 11mm HardiePlank VL board\u003c\/li\u003e\n\u003cli\u003eSupplied in a 3 metre length\u003c\/li\u003e\n\u003cli\u003eSuitable for cutting to the required opening or façade width\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: James Hardie\u003c\/li\u003e\n\u003cli\u003eRange: HardiePlank VL\u003c\/li\u003e\n\u003cli\u003eProduct: Window Head \u0026amp; Vertical Starter Trim\u003c\/li\u003e\n\u003cli\u003eLength: 3000mm \/ 3m\u003c\/li\u003e\n\u003cli\u003eSystem: HardiePlank VL Click \/ tongue-and-groove fibre cement cladding\u003c\/li\u003e\n\u003cli\u003eHorizontal Application: Window head finishing profile\u003c\/li\u003e\n\u003cli\u003eVertical Application: Base starter profile for vertically installed VL boards\u003c\/li\u003e\n\u003cli\u003eCompatible Board: HardiePlank VL 11mm fibre cement cladding\u003c\/li\u003e\n\u003cli\u003eInstallation: Used as part of the relevant Hardie VL detail together with the required ventilation profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003eJames Hardie lists the Window Head \u0026amp; Vertical Starter Trim as a dedicated 3m Hardie VL Plank accessory.\u003c\/p\u003e\n\u003ch3\u003eAvailable Colours\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eChoose a colour to coordinate with your HardiePlank VL cladding:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAnthracite Grey\u003c\/li\u003e\n\u003cli\u003eGrey Slate\u003c\/li\u003e\n\u003cli\u003eSail Cloth\u003c\/li\u003e\n\u003cli\u003eArctic White\u003c\/li\u003e\n\u003cli\u003eLight Mist\u003c\/li\u003e\n\u003cli\u003eMidnight Black\u003c\/li\u003e\n\u003cli\u003eKhaki Brown\u003c\/li\u003e\n\u003cli\u003eChestnut Brown\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003eThis profile is specifically designed for the James Hardie HardiePlank VL interlocking cladding system.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt should not be confused with the starter or window trims used with traditional overlapping HardiePlank Lap weatherboards, or with trims designed for other manufacturers' fibre cement click-cladding systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor horizontal window installations, you may also require the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHardiePlank VL Window Reveal Trim\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the sides of the opening and the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHardiePlank VL J Profile\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e beneath the sill.\u003c\/span\u003e\u003c\/p\u003e","brand":"Trade Warehouse","offers":[{"title":"Anthracite Grey","offer_id":57376249217399,"sku":"5300701","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Grey Slate","offer_id":57376249250167,"sku":"5300703","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Sail Cloth","offer_id":57376249282935,"sku":"5300706","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Arctic White","offer_id":57376249315703,"sku":"5300702","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Light Mist","offer_id":57376249348471,"sku":"5300704","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Midnight Black","offer_id":57376249381239,"sku":"5300705","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Khaki Brown","offer_id":57376249414007,"sku":"5300707","price":25.49,"currency_code":"GBP","in_stock":true},{"title":"Chestnut Brown","offer_id":57376249446775,"sku":"5300708","price":25.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7366\/4054\/files\/5300701_01.jpg?v=1786709097","url":"https:\/\/tradewarehouse.co.uk\/products\/james-hardie-hardieplank-vl-window-head-vertical-starter-trim-3m-cladding-profile","provider":"Trade Warehouse","version":"1.0","type":"link"}