{"product_id":"james-hardie-hardieplank-lap-vented-starter-profile-3m-aluminium-cladding-base-vent-trim-25mm-38mm-50mm-depth-options","title":"James Hardie HardiePlank Lap Vented Starter Profile 3m Aluminium Cladding Base Vent Trim – 25mm, 38mm \u0026 50mm Depth Options","description":"\u003cp data-start=\"65\" data-end=\"471\"\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 Lap Vented Starter Profile is a purpose-designed aluminium base trim used to correctly start horizontal HardiePlank cladding installations. Fitted at the bottom of the cladding system, this profile performs two critical jobs at the same time - it creates the correct starter angle for the first board and maintains the airflow required behind the façade.\u003c\/p\u003e\n\u003cp data-start=\"473\" data-end=\"848\"\u003eWithout a proper starter profile, the first plank can sit flat against the wall instead of matching the projection of the overlapping boards above, leaving the bottom courses uneven and visually inconsistent. This vented profile solves that problem by giving the first board the correct “kick-out” so the entire elevation stays straight, level and uniform from the ground up.\u003c\/p\u003e\n\u003cp data-start=\"850\" data-end=\"1051\"\u003eAt the same time, the perforated ventilation detail helps maintain the continuous airflow cavity required behind fibre cement cladding systems, supporting drainage and helping prevent trapped moisture.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"s5086o\" data-start=\"1053\" data-end=\"1096\"\u003eWhat This Starter Profile Actually Does\u003c\/h3\u003e\n\u003cul data-start=\"1098\" data-end=\"2066\"\u003e\n\u003cli data-section-id=\"n73j2q\" data-start=\"1098\" data-end=\"1269\"\u003e\n\u003cstrong data-start=\"1100\" data-end=\"1150\"\u003eSupports the first HardiePlank board correctly\u003c\/strong\u003e\u003cbr data-start=\"1150\" data-end=\"1153\"\u003eCreates the correct projection angle for the first plank so it aligns perfectly with the overlapping boards above.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ommb38\" data-start=\"1271\" data-end=\"1467\"\u003e\n\u003cstrong data-start=\"1273\" data-end=\"1318\"\u003eMaintains ventilation behind the cladding\u003c\/strong\u003e\u003cbr data-start=\"1318\" data-end=\"1321\"\u003eThe perforated profile allows airflow into the cavity behind the boards while helping prevent insects and pests from entering the façade system.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fohj9q\" data-start=\"1469\" data-end=\"1775\"\u003e\n\u003cstrong data-start=\"1471\" data-end=\"1521\"\u003eForms part of the ventilated rainscreen system\u003c\/strong\u003e\u003cbr data-start=\"1521\" data-end=\"1524\"\u003eHardiePlank cladding requires a ventilated cavity behind the boards for long-term performance. The installation guide specifies a minimum 20mm airflow cavity along with ventilation gaps at the base and roofline.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18tsy3t\" data-start=\"1777\" data-end=\"1926\"\u003e\n\u003cstrong data-start=\"1779\" data-end=\"1826\"\u003eHelps improve drainage and moisture control\u003c\/strong\u003e\u003cbr data-start=\"1826\" data-end=\"1829\"\u003eEncourages airflow behind the cladding to assist drying and water management within the system.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14jodyh\" data-start=\"1928\" data-end=\"2066\"\u003e\n\u003cstrong data-start=\"1930\" data-end=\"1979\"\u003eProvides cleaner, more accurate installations\u003c\/strong\u003e\u003cbr data-start=\"1979\" data-end=\"1982\"\u003eGives installers a straight, repeatable starting line for the entire cladding run.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1j64co2\" data-start=\"2068\" data-end=\"2120\"\u003eHow the HardiePlank Starter Profile Is Installed\u003c\/h3\u003e\n\u003cul data-start=\"2122\" data-end=\"3401\"\u003e\n\u003cli data-section-id=\"xl735t\" data-start=\"2122\" data-end=\"2292\"\u003e\n\u003cstrong data-start=\"2124\" data-end=\"2174\"\u003eInstalled horizontally at the base of the wall\u003c\/strong\u003e\u003cbr data-start=\"2174\" data-end=\"2177\"\u003eThe profile is fixed level along the bottom of the vertical timber battens before any cladding boards are fitted.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5s1x8f\" data-start=\"2294\" data-end=\"2460\"\u003e\n\u003cstrong data-start=\"2296\" data-end=\"2349\"\u003eActs as both a starter strip and ventilation trim\u003c\/strong\u003e\u003cbr data-start=\"2349\" data-end=\"2352\"\u003eThis combined design removes the need for separate packers or timber starter strips in many installations.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18hjcv0\" data-start=\"2462\" data-end=\"2707\"\u003e\n\u003cstrong data-start=\"2464\" data-end=\"2503\"\u003ePositions the first board correctly\u003c\/strong\u003e\u003cbr data-start=\"2503\" data-end=\"2506\"\u003eThe installation guide explains that the starter profile creates the required “kick-out” detail for the first plank to match the lap angle of the cladding above.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rurtn8\" data-start=\"2709\" data-end=\"2979\"\u003e\n\u003cstrong data-start=\"2711\" data-end=\"2759\"\u003eMaintains the airflow path behind the facade\u003c\/strong\u003e\u003cbr data-start=\"2759\" data-end=\"2762\"\u003eProper ventilation at the base of the system is essential. The guide states that anything blocking airflow behind the cladding can prevent the system from functioning correctly.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8ozo3w\" data-start=\"2981\" data-end=\"3125\"\u003e\n\u003cstrong data-start=\"2983\" data-end=\"3010\"\u003eMatched to batten depth\u003c\/strong\u003e\u003cbr data-start=\"3010\" data-end=\"3013\"\u003eProfiles are available in 25mm, 38mm and 50mm depths to suit different batten systems and cavity requirements.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16w0sro\" data-start=\"3127\" data-end=\"3401\"\u003e\n\u003cstrong data-start=\"3129\" data-end=\"3163\"\u003eCreates the required drip edge\u003c\/strong\u003e\u003cbr data-start=\"3163\" data-end=\"3166\"\u003eWhen installed correctly, the system helps form the recommended drip detail at the lower edge of the first board. The Hardie guide specifies a minimum 10mm drip edge on the first installed plank.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"jft79d\" data-start=\"3403\" data-end=\"3449\"\u003eWhy Installers Use Vented Starter Profiles\u003c\/h3\u003e\n\u003cul data-start=\"3451\" data-end=\"3892\"\u003e\n\u003cli data-section-id=\"ycqcuo\" data-start=\"3451\" data-end=\"3514\"\u003eKeeps the first row of cladding straight and properly aligned\u003c\/li\u003e\n\u003cli data-section-id=\"qt10d5\" data-start=\"3515\" data-end=\"3565\"\u003eHelps achieve a professional finished appearance\u003c\/li\u003e\n\u003cli data-section-id=\"ehbf5e\" data-start=\"3566\" data-end=\"3627\"\u003eSupports correct ventilation and drainage behind the façade\u003c\/li\u003e\n\u003cli data-section-id=\"1glleso\" data-start=\"3628\" data-end=\"3679\"\u003eReduces the risk of inconsistent board projection\u003c\/li\u003e\n\u003cli data-section-id=\"r19dds\" data-start=\"3680\" data-end=\"3717\"\u003eLightweight and easy to cut on site\u003c\/li\u003e\n\u003cli data-section-id=\"1q11jf1\" data-start=\"3718\" data-end=\"3771\"\u003eCorrosion-resistant anodised aluminium construction\u003c\/li\u003e\n\u003cli data-section-id=\"1gqthiu\" data-start=\"3772\" data-end=\"3825\"\u003eDesigned specifically for Hardie® Plank Lap systems\u003c\/li\u003e\n\u003cli data-section-id=\"cri3pw\" data-start=\"3826\" data-end=\"3892\"\u003eFaster and cleaner than creating timber starter packers manually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1dqbs77\" data-start=\"3894\" data-end=\"3920\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul data-start=\"3922\" data-end=\"4309\"\u003e\n\u003cli data-section-id=\"1do4b5h\" data-start=\"3922\" data-end=\"3973\"\u003eProduct: Hardie® Plank Lap Vented Starter Profile\u003c\/li\u003e\n\u003cli data-section-id=\"1jg1spk\" data-start=\"3974\" data-end=\"4032\"\u003eApplication: Horizontal HardiePlank Lap Cladding Systems\u003c\/li\u003e\n\u003cli data-section-id=\"u249en\" data-start=\"4033\" data-end=\"4069\"\u003eMaterial: Plain Anodised Aluminium\u003c\/li\u003e\n\u003cli data-section-id=\"mjeua5\" data-start=\"4070\" data-end=\"4086\"\u003eLength: 3000mm\u003c\/li\u003e\n\u003cli data-section-id=\"1x7gpah\" data-start=\"4087\" data-end=\"4101\"\u003eHeight: 40mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15iosiu\" data-start=\"4102\" data-end=\"4137\"\u003eDepth Options: 25mm \/ 38mm \/ 50mm\u003c\/li\u003e\n\u003cli data-section-id=\"n4fkjp\" data-start=\"4138\" data-end=\"4165\"\u003eMaterial Thickness: 1.5mm\u003c\/li\u003e\n\u003cli data-section-id=\"1hez8ih\" data-start=\"4166\" data-end=\"4201\"\u003eWeight: Approx. 0.91kg per length\u003c\/li\u003e\n\u003cli data-section-id=\"1gwtgbk\" data-start=\"4202\" data-end=\"4250\"\u003eInstallation Position: Base of cladding system\u003c\/li\u003e\n\u003cli data-section-id=\"1l33tgf\" data-start=\"4251\" data-end=\"4309\"\u003eFunction: Starter strip and ventilation profile combined\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"12givco\" data-start=\"4311\" data-end=\"4355\"\u003eA Small Trim That Makes a Big Difference\u003c\/h3\u003e\n\u003cp data-start=\"4357\" data-end=\"4778\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eAlthough often overlooked, the starter profile is one of the most important components in a fibre cement cladding installation. It sets the line for the full façade, supports correct board alignment, and ensures the ventilation cavity can function properly from day one. For installers, developers and cladding contractors, it delivers a cleaner finish, quicker installation and a more reliable long-term cladding system.\u003c\/p\u003e","brand":"NBP","offers":[{"title":"25mm","offer_id":57075846218103,"sku":"5300182","price":22.64,"currency_code":"GBP","in_stock":true},{"title":"38mm","offer_id":57075846250871,"sku":"5300183","price":23.29,"currency_code":"GBP","in_stock":true},{"title":"50mm","offer_id":57075846283639,"sku":"5300184","price":26.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/7366\/4054\/files\/Hardieplank_Ventillation_trim.jpg?v=1778174388","url":"https:\/\/tradewarehouse.co.uk\/products\/james-hardie-hardieplank-lap-vented-starter-profile-3m-aluminium-cladding-base-vent-trim-25mm-38mm-50mm-depth-options","provider":"Trade Warehouse","version":"1.0","type":"link"}