{"product_id":"johnstones-magnetic-paint-for-blackboards-250ml-black-00309269","title":"Johnstones Magnetic Paint For Blackboards 250ml - Black | 00309269","description":"\u003cul\u003e\n\u003cli\u003eCreates a write-on blackboard and magnetic surface\u003c\/li\u003e\n\u003cli\u003eMatt black, non-reflective finish for interior walls\u003c\/li\u003e\n\u003cli\u003eCovers up to 3 m² from a 250 ml tin\u003c\/li\u003e\n\u003cli\u003eTouch dry in 2 hours - recoatable the same day\u003c\/li\u003e\n\u003cli\u003eMinimum 3 coats for strongest magnetic effect\u003c\/li\u003e\n\u003cli\u003eWater-based formula - suits wood, plaster, and metal\u003c\/li\u003e\n\u003cli\u003eInterior use only - do not apply below 10°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003ca href=\"\/collections\/johnstones\" style=\"color: #2b00ff;\"\u003eJohnstones\u003c\/a\u003e Magnetic Blackboard Paint - Create a Write-on, Magnetic Surface at Home\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eA functional surface for any room:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 250 ml tin of Johnstones Magnetic Paint for Blackboards gives interior walls and surfaces a matt black finish that doubles as both a writing surface and a magnetic board. Apply it to wood, plaster, or metal and the treated area can be used for notes, shopping lists, reminders, or as a creative zone for children - then wiped clean with a damp cloth when you need a fresh slate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoverage and application:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAt 12 m² per litre, this 250 ml tin will cover up to 3 m² depending on the porosity of the surface. The paint is water-based and touch dry within 2 hours, making it a practical one-day DIY job. A minimum of three coats is recommended - the more coats applied, the stronger the magnetic effect achieved.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGetting the most from the magnetic finish:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the best magnetic performance, Johnstones recommend using a good quality strong magnet such as a Neodymium magnet once the surface is fully cured. Do not apply in temperatures below 10°C or in damp conditions. This paint is for interior use only and is not suitable for exterior surfaces.\u003c\/p\u003e\n\u003cp\u003eShop the full \u003ca href=\"\/collections\/painting-decorating\" style=\"color: #2b00ff;\"\u003ePainting \u0026amp; Decorating range\u003c\/a\u003e from Heavins.ie, with delivery available across Ireland.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDual-function finish\u003c\/strong\u003e - creates a surface that works as both a blackboard and a magnetic board.\u003cbr\u003e\u003cstrong\u003eMatt black finish\u003c\/strong\u003e - non-reflective flat finish suited to feature walls and functional areas.\u003cbr\u003e\u003cstrong\u003eWater-based formula\u003c\/strong\u003e - easy to clean up and quick to dry between coats.\u003cbr\u003e\u003cstrong\u003eTouch dry in 2 hours\u003c\/strong\u003e - recoatable the same day for faster project completion.\u003cbr\u003e\u003cstrong\u003eMinimum 3 coats recommended\u003c\/strong\u003e - additional coats increase the strength of the magnetic effect.\u003cbr\u003e\u003cstrong\u003eCovers up to 3 m²\u003c\/strong\u003e - suitable for small feature areas, alcoves, and panels.\u003cbr\u003e\u003cstrong\u003eInterior use\u003c\/strong\u003e - suitable on wood, plaster, and metal surfaces indoors.\u003cbr\u003e\u003cstrong\u003eNeodymium magnets recommended\u003c\/strong\u003e - for best results use high-strength magnets on the cured surface.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Johnstone's\u003c\/li\u003e\n\u003cli\u003eRange: Johnstones Speciality\u003c\/li\u003e\n\u003cli\u003eProduct: Magnetic Paint for Blackboards\u003c\/li\u003e\n\u003cli\u003eColour: Black\u003c\/li\u003e\n\u003cli\u003eFinish: Matt (non-reflective)\u003c\/li\u003e\n\u003cli\u003eVolume: 250 ml\u003c\/li\u003e\n\u003cli\u003eCoverage: Up to 3 m² per 250 ml (12 m² per litre)\u003c\/li\u003e\n\u003cli\u003eDry time: Touch dry \/ recoatable in 2 hours\u003c\/li\u003e\n\u003cli\u003eMinimum coats: 3 (more coats = stronger magnetic effect)\u003c\/li\u003e\n\u003cli\u003eApplication temperature: Do not apply below 10°C or in damp conditions\u003c\/li\u003e\n\u003cli\u003eBase: Water-based\u003c\/li\u003e\n\u003cli\u003eSuitable surfaces: Interior wood, plaster, metal\u003c\/li\u003e\n\u003cli\u003eUse: Interior only\u003c\/li\u003e\n\u003cli\u003eWeight: 1.2 kg\u003c\/li\u003e\n\u003cli\u003eSKU: 00309269\u003c\/li\u003e\n\u003cli\u003eEAN: 5010426786537\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Johnstones","offers":[{"title":"Default Title","offer_id":57353963569525,"sku":"5010426786537","price":14.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0614\/5261\/5816\/files\/1143088_20260525_134348_754695_9aa9f0e6.jpg?v=1785834756","url":"https:\/\/www.heavins.ie\/products\/johnstones-magnetic-paint-for-blackboards-250ml-black-00309269","provider":"Heavins","version":"1.0","type":"link"}