{"product_id":"bitumo-poliuretano-hidroizoliacija-underbase-1k","title":"UnderBase 1K – Bitumen-Polyurethane Waterproofing Coating for Foundations and Basements, Black, 1-6 kg","description":"\u003ch3\u003eFoundation or basement suffering from groundwater, and a standard coating can't handle the pressure?\u003c\/h3\u003e\n\u003cp\u003ePandaCoat UnderBase 1K is a bitumen-modified polyurethane (PU) waterproofing coating built for underground and below-grade structures under high hydrostatic pressure: foundations, basement walls, tanks\/reservoirs, green roofs. It combines the strength of bitumen with the flexibility of polyurethane — a seamless membrane resistant to up to 30m of water pressure.\u003c\/p\u003e\n\u003ch3\u003eUnderBase 1K Benefits\u003c\/h3\u003e\n\u003cp\u003e💪 \u003cstrong\u003eThe Power of Bitumen + Polyurethane\u003c\/strong\u003e\u003cbr\u003eCombines bitumen's water resistance with polyurethane's flexibility — reliable protection against groundwater even under high hydrostatic pressure.\u003c\/p\u003e\n\u003cp\u003e🌊 \u003cstrong\u003eReliable Waterproofing for Moving Structures\u003c\/strong\u003e\u003cbr\u003eA seamless membrane with 1000% elongation at break — handles structural movement and crack widening without leaking.\u003c\/p\u003e\n\u003cp\u003e🌡️ \u003cstrong\u003eWide Temperature Range\u003c\/strong\u003e\u003cbr\u003eWorks from -40°C to +80°C (briefly up to 150°C for 15 min) — retains elasticity and adhesion in any climate.\u003c\/p\u003e\n\u003cp\u003e🖌️ \u003cstrong\u003eEasy to Apply\u003c\/strong\u003e\u003cbr\u003eOne-component formula — apply with a brush, roller or spray gun in 2-3 coats, no mixing required.\u003c\/p\u003e\n\u003ch3\u003eWhat It Is\u003c\/h3\u003e\n\u003cp\u003eA one-component, bitumen-modified polyurethane coating that cures with atmospheric moisture into a firm, flexible, waterproof membrane (watertight up to 30m of water column, certified to UNE-EN 1504-2:2005). Built for waterproofing UNDERGROUND structures. Colour — black.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Important limitation:\u003c\/strong\u003e UnderBase 1K is NOT suitable for permanent open UV exposure — it MUST be covered (with soil, tiles, a protective layer, etc.). Using it as a final, exposed surface is NOT permitted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Important safety information:\u003c\/strong\u003e this product is classified as hazardous under CLP Regulation (EC) No 1272\/2008 — Acute Tox. 4, H312+H332 (harmful in contact with skin\/if inhaled), Eye Irrit. 2, H319, Skin Irrit. 2, H315, STOT RE 2, H373 (may cause damage to organs through prolonged exposure), STOT SE 3, H335 (may cause respiratory irritation), with the additional statement EUH204 (contains isocyanates — may cause an allergic reaction\/sensitisation). PPE REQUIRED: gloves, safety goggles or face protection, a respirator, and protective clothing\/footwear. Work in a well-ventilated area or outdoors.\u003c\/p\u003e\n\u003ch3\u003eWhere To Use It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFoundations, basement walls\u003c\/li\u003e\n\u003cli\u003eTanks and reservoirs\u003c\/li\u003e\n\u003cli\u003eBalconies, terraces (covered)\u003c\/li\u003e\n\u003cli\u003eGreen roofs, covered tunnels, bridges\u003c\/li\u003e\n\u003cli\u003eCar park decks\u003c\/li\u003e\n\u003cli\u003eBathroom\/kitchen floors under tiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDensity: 1.30 g\/cm³\u003c\/li\u003e\n\u003cli\u003eShore A hardness: 60-70\u003c\/li\u003e\n\u003cli\u003eTensile strength: 2.2-2.5 N\/mm²\u003c\/li\u003e\n\u003cli\u003eElongation at break: 1000%\u003c\/li\u003e\n\u003cli\u003eService temperature: -40°C to +80°C (briefly up to 150°C, 15 min)\u003c\/li\u003e\n\u003cli\u003eWatertight up to 30m water column\u003c\/li\u003e\n\u003cli\u003eCertified to: UNE-EN 1504-2:2005\u003c\/li\u003e\n\u003cli\u003eVOC (Supply): 21% by weight (285.46 g\/L) — contains xylene (solvent)\u003c\/li\u003e\n\u003cli\u003eUFI code: 0CUS-5VJ0-010K-QS85\u003c\/li\u003e\n\u003cli\u003eCure time: surface skin 45-75 min, foot traffic after 12 hours, final cure 3 days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSource: TDS Lastoflex-PB-1K, DoP pb-1k, SDS UNDERBASE 1K (separate SDS for 1kg and 6kg).\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eHow To Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSurface preparation — clean, dry, free of loose material, avoid application in rain.\u003c\/li\u003e\n\u003cli\u003eReinforce seams and corners with ElastoSeal-PU or UnderBase REP sealant.\u003c\/li\u003e\n\u003cli\u003ePrimer — Primer VL for concrete, EP-W for damp concrete.\u003c\/li\u003e\n\u003cli\u003eApply in 2-3 coats (no more than 0.8 kg per coat to avoid air bubbles), with 45 min to 48 hours between coats. For demanding areas, use with 60 g\/m² geotextile to improve mechanical properties and crack bridging.\u003c\/li\u003e\n\u003cli\u003eConsumption: 1.1-1.3 L\/m² (1.4-1.7 kg\/m²).\u003c\/li\u003e\n\u003cli\u003eMUST be covered (with soil, tiles or another layer) — not suitable for open UV exposure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e use with appropriate protective equipment (gloves, goggles, respirator). This product is NOT suitable for permanent open exposure — it's a component of an underground\/covered waterproofing system, not a final exposed surface coating.\u003c\/p\u003e\n","brand":"PandaCoat","offers":[{"title":"1 kg \/ Juoda","offer_id":49445902877006,"sku":"HDR-AMZ-PB1K-BASE-1BLK","price":11.7,"currency_code":"EUR","in_stock":true},{"title":"6 kg \/ Juoda","offer_id":49445902909774,"sku":"HDR-AMZ-PB1K-BASE-6BLK","price":57.12,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/5714\/1326\/files\/mockupunderbase1k.png?v=1727780621","url":"https:\/\/pandacoat.de\/en\/products\/bitumen-polyurethane-waterproofing-underbase-1k","provider":"Pandacoat","version":"1.0","type":"link"}