{"product_id":"kerakoll-planogel-ultra","title":"Kerakoll Planogel Ultra high-strength self-leveling screed (1–30 mm)","description":"\u003cp\u003eHas the screed cracked? Dries quickly on top but lacks strength underneath. Planogel Ultra remains hard throughout — CT-C35-F7, 35 N\/mm². Applied in 1–30 mm layers, ready for ceramic tiles in 4 hours. This is Kerakoll Planogel Ultra.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot sure how uneven the substrate is:\u003c\/strong\u003e one product for 1–30 mm — from thin skim coat to 3 cm level difference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic in 4 hours:\u003c\/strong\u003e project progresses in one day — walkable in 3 hours, ready for covering in 4 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor restaurants, shops:\u003c\/strong\u003e does not compress or crack — CT-C35-F7 class, 35 N\/mm² compressive strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver underfloor heating:\u003c\/strong\u003e adhesion does not break — for water and electric systems, minimum 5 mm layer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVinyl, parquet, gres, stone:\u003c\/strong\u003e one substrate for all — flexible covering can be applied after 12 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall room, large room:\u003c\/strong\u003e same bag — 4.75–5.75 l water \/ 25 kg, contractor adjusts fluidity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLayer thickness\u003c\/th\u003e\n\u003ctd\u003e1–30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial requirement\u003c\/th\u003e\n\u003ctd\u003e≈ 1.6 kg\/m² \/ mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired primer\u003c\/th\u003e\n\u003ctd\u003eActive Prime Fix or Active Prime Grip (depending on substrate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMixing water\u003c\/th\u003e\n\u003ctd\u003e4.75–5.75 l \/ 25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSelf-leveling time\u003c\/th\u003e\n\u003ctd\u003e≈ 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWalkable\u003c\/th\u003e\n\u003ctd\u003e≈ 3 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReady for covering\u003c\/th\u003e\n\u003ctd\u003eCeramic, gres, stone ≈ 4 hours\u003cbr\u003eParquet, vinyl ≈ 12 hours\u003cbr\u003eUnder resin floor (Cementoresina) ≈ 12 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrength\u003c\/th\u003e\n\u003ctd\u003eCT-C35-F7 (EN 13813)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003e25 kg bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003e≈ 12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eWhat is it suitable for?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSubstrates:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCement screed\u003c\/li\u003e\n\u003cli\u003eAnhydrite (calcium sulfate) screed\u003c\/li\u003e\n\u003cli\u003eConcrete — precast or cast on site\u003c\/li\u003e\n\u003cli\u003eExisting ceramic floor\u003c\/li\u003e\n\u003cli\u003eWooden slab, OSB board\u003c\/li\u003e\n\u003cli\u003eFiber-reinforced gypsum and cement-bonded boards\u003c\/li\u003e\n\u003cli\u003eMetal substrate\u003c\/li\u003e\n\u003cli\u003eUnderfloor heating — both water and electric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCoverings that can be applied:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGres, ceramic tiles, clinker, terracotta — all formats\u003c\/li\u003e\n\u003cli\u003eNatural stone, composite, marble\u003c\/li\u003e\n\u003cli\u003eParquet\u003c\/li\u003e\n\u003cli\u003eVinyl, PVC, LVT, linoleum, rubber, carpet flooring\u003c\/li\u003e\n\u003cli\u003eMicrocement\u003c\/li\u003e\n\u003cli\u003eDecorative and industrial resin floors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSurfaces:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eResidential areas — all rooms\u003c\/li\u003e\n\u003cli\u003eCommercial spaces — restaurant, shop, office, hotel\u003c\/li\u003e\n\u003cli\u003eIndustrial floor coverings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor outdoor use\u003c\/li\u003e\n\u003cli\u003eOn highly flexible or heat-expanding substrates\u003c\/li\u003e\n\u003cli\u003eIn continuously wet areas (pool, industrial laundry)\u003c\/li\u003e\n\u003cli\u003eAs a floating or separating layer\u003c\/li\u003e\n\u003cli\u003eAs a self-supporting layer on raw slabs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the screed crack?\u003c\/strong\u003e \u003cbr\u003eDries quickly on top but weak strength underneath — or the substrate is not primed. CT-C35-F7 class \u003cmeta charset=\"utf-8\"\u003eWith Kerakoll Planogel Ultra leveling compound, you get 35 N\/mm² compressive strength if the primer is also suitable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich is the best self-leveling screed?\u003c\/strong\u003e \u003cbr\u003eIt’s the one that withstands traffic and allows ceramic tiles to be installed quickly. The Kerakoll Planogel Ultra CT-C35-F7 class (most products work between C20–C30), can be applied in layers of 1–30 mm and is ready for ceramic tiles after 4 hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Gel-Technology?\u003c\/strong\u003e \u003cbr\u003eKerakoll technology that varies the mix’s rheology. When applying slowly with a trowel, the mix is thicker — you control the thickness. When applied quickly, it flows and fills the surface. Same bag, the technique controls the behavior.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between Planogel Rheo and Planogel Ultra?\u003c\/strong\u003e \u003cbr\u003eSame layer range (1–30 mm) and 4-hour ceramic walkability. Ultra is stronger: CT-C35-F7 compared to Rheo’s C30-F7 class. Ultra is recommended for busy areas and commercial floors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs primer needed?\u003c\/strong\u003e \u003cbr\u003eEvery substrate — cement and anhydrite screed, concrete, ceramic, wood, metal, fiber-reinforced panel — receives \u003ca href=\"\/en\/products\/kerakoll-active-prime-fix\"\u003eActive Prime Fix\u003c\/a\u003e or \u003ca href=\"\/en\/products\/kerakoll-active-prime-grip\"\u003eActive Prime Grip\u003c\/a\u003e primer. Without primer, the leveling compound can detach.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many m² does a 25 kg bag of Planogel Ultra cover?\u003c\/strong\u003e \u003cbr\u003eMaterial requirement is 1.6 kg\/m² per mm of layer. For 5 mm layer ≈ 3 m², for 10 mm ≈ 1.5 m², for 1 mm skim coat ≈ 15.6 m².\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan self-leveling compound be used over underfloor heating?\u003c\/strong\u003e \u003cbr\u003eYes — suitable over both wet and electric systems. Minimum 5 mm layer thickness over heating elements, bonded to a rigid substrate prepared with primer. Never as a self-supporting or floating layer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the CT-C35-F7 class mean?\u003c\/strong\u003e \u003cbr\u003eClassification according to EN 13813: C35 = 35 N\/mm² compressive strength after 28 days, F7 = 7 N\/mm² flexural strength. Most self-leveling products are C20–C30 class — C35 is a higher category.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen NOT to use it?\u003c\/strong\u003e \u003cbr\u003eDo not use outdoors — not a frost-resistant system. Do not use in constantly wet areas (pool, industrial washer) — another Kerakoll solution is required. It also does not work as a floating layer or self-supporting on raw slabs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Kerakoll expensive? Is it worth it?\u003c\/strong\u003e \u003cbr\u003eNot more expensive in the long run — you lay it once, it reaches 35 N\/mm² strength after 28 days, does not crack, no repairs needed. Manufactured by Kerakoll Sassuolo since 1968 — EC1 Plus VOC, A+ air quality, EPD certification.\u003c\/p\u003e\n\u003ch2\u003eThe Kerakoll self-leveling compound system\u003c\/h2\u003e\n\u003cp\u003ePlanogel Ultra does not work alone. Without the proper primer, even the best leveling compound can detach.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eLayer\u003c\/th\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eMaterial requirement\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePrimer*\u003c\/td\u003e\n\u003ctd\u003eSurface preparation, adhesion\u003c\/td\u003e\n\u003ctd\u003eaccording to substrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003ePlanogel Ultra\u003c\/td\u003e\n\u003ctd\u003eSelf-leveling compound\u003c\/td\u003e\n\u003ctd\u003e1.6 kg\/m²\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eAdhesive (Kerakoll)\u003c\/td\u003e\n\u003ctd\u003eUnder covering\u003c\/td\u003e\n\u003ctd\u003eaccording to covering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCovering\u003c\/td\u003e\n\u003ctd\u003eTile, parquet, vinyl, stone\u003c\/td\u003e\n\u003ctd\u003e--\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e*Primer: every substrate (cement and anhydrite screed, concrete, ceramic, wood, metal, fiber-reinforced panel) receives \u003ca href=\"\/en\/products\/kerakoll-active-prime-fix\"\u003eActive Prime Fix\u003c\/a\u003e or \u003ca href=\"\/en\/products\/kerakoll-active-prime-grip\"\u003eActive Prime Grip\u003c\/a\u003e primer. The choice and dilution depend on the substrate — details on the primer product page.\u003c\/p\u003e","brand":"Kerakoll","offers":[{"title":"25 KG","offer_id":56763009597764,"sku":"Planogel Ultra","price":8200.0,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/8027\/4946\/files\/Kerakoll-Planogel-Ultra-onterulo-aljzatkiegyenlito_1.jpg?v=1778949558","url":"https:\/\/www.masterworks.hu\/en\/products\/kerakoll-planogel-ultra","provider":"Masterworks Hungary","version":"1.0","type":"link"}