{"product_id":"4d-kapa-line","title":"Kapa Line, Cardboard Clad","description":"\u003cp\u003e\u003cstrong\u003eKAPA line White Universal Polyurethane Foam Board (5mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Premium Professional Standard for Crumble-Free Modelling, Solvent-Resistant Structure, and Custom Texture Carving.\u003c\/p\u003e\n\n\u003cp\u003eKAPA line is the definitive universal board in the high performance KAPA range, widely favoured for professional architectural layouts, product models, and detailed structural mock ups. This premium 5.0mm foam board features a lightweight, rigid polyurethane (PUR) foam core enclosed within matt, white pigmented, clay coated chromo replacement cardboard liners. Engineered for exceptional workability, KAPA line delivers a high density structure that cuts cleanly without crumbling. Unlike standard foam boards, it can be grooved, slotted, mitred, or deeply carved with ease, making it an indispensable material for high precision modelling and pristine design presentations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Professionals Choose KAPA line\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Density Polyurethane Core:\u003c\/strong\u003e The specialised PUR core is considerably tougher than standard polystyrene alternatives, yielding sharp, perfectly clean, crumble free edges even during highly intricate detail work.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSolvent Resistance:\u003c\/strong\u003e Because the polyurethane core inherently resists chemical breakdown, you can safely utilise solvent based spray mounts, aerosol paints, and diverse adhesives without risking core melting or structural collapse.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Surface Adaptability:\u003c\/strong\u003e The clay coated cardboard liners provide a perfectly smooth, bright white base that integrates seamlessly with other professional mediums such as Bristol card, screen printed boards, and heavy media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEssential Working Techniques\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCutting and Grooving:\u003c\/strong\u003e Always utilise a very sharp scalpel or a fresh craft knife blade to prevent dragging or tearing the cardboard liners. To create perfectly sharp angled folds, cut completely through one layer of the cardboard lining and the inner foam beneath it, leaving the opposite outer liner fully intact to act as a clean, living hinge.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlue Selection Versatility:\u003c\/strong\u003e Due to the solvent resistant nature of the PUR core, you can safely utilise a vast range of workshop adhesives. This includes standard white PVA glue, heavy duty spray adhesives, universal cements, and cyanoacrylates like Zap super glue for rapid, high strength structural joints.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarp Prevention Protocol:\u003c\/strong\u003e If you are painting the surface or laminating it with wet mediums, it is essential to treat both sides of the board simultaneously. Applying paint, emulsion, or water based glue to only one side introduces localised surface tension that will cause the foam board to bow or warp as it dries.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCreating Hand Carved Textures:\u003c\/strong\u003e Unlike polystyrene alternatives, Kapa Line's rigid core can be deeply impressed, carved, or sanded. You can carefully peel back the top paper layer to reveal the dense bare foam, which can then be distressed with a wire brush, scribed with a dull tool, or indented to simulate highly realistic building textures like brickwork, poured concrete, or weathered stone walls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 5.0mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 500 x 700mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Bright White\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSheet Core:\u003c\/strong\u003e Lightweight PUR (Polyurethane) rigid foam (Solvent resistant)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLiners:\u003c\/strong\u003e Clay-coated, chrome-replacement cardboard (Matt finish on both sides, white pigmented)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eArchitectural Model Making:\u003c\/strong\u003e Widely recognised as the optimum modelling material for scales ranging from 1:100 to 1:1, perfect for structural walls, internal spatial volumes, and realistic facade simulations.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrototyping and Industrial Design:\u003c\/strong\u003e Ideal for creating lightweight yet highly rigid structural mock ups where parts must slot or groove together perfectly without warping under light compression.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVisual Communication and Advertising:\u003c\/strong\u003e A highly reliable substrate for high resolution digital printing, point of sale signage, display boards, and crisp photographic mounting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilm and TV Scenic Design:\u003c\/strong\u003e Exceedingly useful for constructing lightweight set details, camera ready miniature props, and scenic backdrops that require heavy painting or detailed surface texturing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eChoosing Between KAPA Graph and KAPA Line\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen selecting between KAPA graph and KAPA line for model making, the core difference comes down to aesthetics and surface finish. Both share the same solvent resistant polyurethane foam core, which cuts cleanly without crumbling. Your choice depends on whether your project requires a premium presentation finish or an economical structural all rounder.\u003c\/p\u003e\n\n\u003ctable border=\"1\"\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003cth\u003eFeature\u003c\/th\u003e\n            \u003cth\u003eKAPA Graph\u003c\/th\u003e\n            \u003cth\u003eKAPA Line\u003c\/th\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eA premium exhibition option featuring acid free, pH neutral paperboard on both sides with a deep matt, velvety surface.\u003c\/td\u003e\n            \u003ctd\u003eThe highly versatile all rounder foam board featuring authorised, bright white chromo substitute cardboard layers.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eKey Advantages\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eUnvarnished and completely non reflective, making it perfect for photography. The acid free surface ensures long term stability and prevents yellowing.\u003c\/td\u003e\n            \u003ctd\u003eHighly economical and excellent for direct digital or screen printing. The paper layers peel away easily to expose and carve the dense foam underneath.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eConsiderations\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003ePositioned at a higher investment level than KAPA line. On authorised variants, please note the inner foam core is a dark grey rather than pure black.\u003c\/td\u003e\n            \u003ctd\u003eThe surface has a very slight sheen, which is less ideal if you are aiming for a completely non reflective presentation finish.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eHigh end architectural presentation models, final client displays, pristine museum quality models, and portfolio mounting.\u003c\/td\u003e\n            \u003ctd\u003eEveryday architectural models, structural building, rapid prototyping, structural work, and detailed texture carving.\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"4D","offers":[{"title":"5 x 500 x 700mm \/ 24 pcs","offer_id":44867981180982,"sku":"MOD0226919","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/4992\/8246\/files\/MOD0226919-1_fc3352ed-4f8c-474f-9ec6-f81288c0eaf6.jpg?v=1777460875","url":"https:\/\/4d.shop\/products\/4d-kapa-line","provider":"4D.Shop","version":"1.0","type":"link"}