{"product_id":"215mm-x-140mm-square-hole-clay-air-brick-buff","title":"215mm x 140mm Square Hole Clay Air Brick Buff (9\" x 6\")","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eSquare Hole Clay Air Brick in a buff finish, with a 140mm height and 215mm length, manufactured from high-quality fired clay for permanent, maintenance-free ventilation.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eDesigned to provide efficient airflow to underfloor voids, cavity walls, and structural spaces, preventing moisture build-up and condensation. Precision-moulded square perforations allow consistent airflow while maintaining structural integrity and weather resistance.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eNatural clay composition ensures strength, frost resistance, and colour stability for long-term exterior use. Suitable for traditional and modern brickwork, coordinating with standard masonry coursing and aesthetic finishes.\u003cbr\u003e\u003cbr\u003eDouble-course height provides increased airflow for larger subfloor or void ventilation requirements. Light buff colour suited to contemporary and lighter brick façades for visual continuity.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable clay construction:\u003c\/strong\u003e Fired at high temperature for long-lasting strength and weather resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare hole design:\u003c\/strong\u003e Ensures free airflow while maintaining stability and protection against ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour-stable finish:\u003c\/strong\u003e Natural clay pigmentation resists fading and blends seamlessly with facing brickwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrost and weather resistant:\u003c\/strong\u003e Suitable for external exposure in all UK climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to integrate:\u003c\/strong\u003e Matches standard 215mm brick lengths for quick alignment during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and ventilation capacity:\u003c\/strong\u003e Double-course height provides increased airflow for larger subfloor or void ventilation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubfloor ventilation:\u003c\/strong\u003e Allows consistent air circulation beneath suspended timber floors to prevent damp and decay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCavity wall ventilation:\u003c\/strong\u003e Provides continuous airflow in wall cavities to reduce condensation risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral building ventilation:\u003c\/strong\u003e Suitable for garages, outbuildings, and structural air spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestoration and heritage work:\u003c\/strong\u003e Matches traditional clay facades and coursing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew build integration:\u003c\/strong\u003e Fits modern cavity wall and insulation systems with standard coursing dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning:\u003c\/strong\u003e Install evenly along wall base or ventilation line for balanced airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlignment:\u003c\/strong\u003e Maintain brick coursing; avoid obstructing openings with mortar or debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination use:\u003c\/strong\u003e Can be paired with plastic or clay ducting to extend airflow paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather protection:\u003c\/strong\u003e Fit with compatible grilles or cowls where required to prevent water ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Inspect periodically to ensure openings remain free of obstruction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial specification:\u003c\/strong\u003e Fired clay, frost-resistant, colour-stable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 215mm standard brick length with 140mm height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation type:\u003c\/strong\u003e Square perforations designed for free air movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Suitable for exposure categories in UK climatic conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Air bricks should be installed unobstructed and above ground level to maintain effective ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Buff \/ 140mm","offer_id":53771415388271,"sku":"5004127","price":13.5,"currency_code":"GBP","in_stock":true},{"title":"Red \/ 140mm","offer_id":53771415421039,"sku":"5004126","price":13.5,"currency_code":"GBP","in_stock":true},{"title":"Buff \/ 215mm","offer_id":53771415453807,"sku":"5004129","price":24.12,"currency_code":"GBP","in_stock":true},{"title":"Red \/ 215mm","offer_id":53771415486575,"sku":"5004128","price":24.12,"currency_code":"GBP","in_stock":true},{"title":"Buff \/ 65mm","offer_id":53771415519343,"sku":"5004125","price":8.0,"currency_code":"GBP","in_stock":true},{"title":"Red \/ 65mm","offer_id":53771415552111,"sku":"5004124","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/215mm_x_140mm_Square_Hole_Clay_Air_Brick_Buff_-_Photo.jpg?v=1783758356","url":"https:\/\/supplyyard.co.uk\/products\/215mm-x-140mm-square-hole-clay-air-brick-buff","provider":"Supply Yard","version":"1.0","type":"link"}