{"product_id":"lisbon-polished-marble-wall-tiles-8-pack-easy-tongue-groove","title":"Lisbon Polished Marble Wall Tiles 8 Pack - Easy Tongue \u0026 Groove","description":"\u003cp\u003eIn this review the Lisbon Polished Marble Dumawall+ wall tiles are judged as a practical upgrade for DIYers and renovators who want a clean, waterproof finish without a long tiling project. The single biggest reason to buy is the combination of the patented \u003cstrong\u003eRCB rigid core board\u003c\/strong\u003e waterproof construction and a tongue-and-groove system that removes the need for grouting or lengthy drying times, making it ideal for bathrooms or wet areas where a fast, durable surface is required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Durable:\u003c\/strong\u003e Patented RCB rigid core board provides 100% waterproof protection and resists moisture damage over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e The tongue-and-groove system lets one person install panels quickly without specialized tools or grout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Grouting Required:\u003c\/strong\u003e Install over existing tiles with glue, nails, or staples to achieve a finished surface without messy joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Finish:\u003c\/strong\u003e A securely adhered decor layer prevents peeling and creates a smooth, modern appearance once installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Fit:\u003c\/strong\u003e Panels can be cut with common tools such as a cutter knife or saw for accurate fitting around fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenguard Gold Certified:\u003c\/strong\u003e Certification helps ensure the product supports healthier indoor air quality for living spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is best for homeowners, renters with permission, and installers who want a fast bathroom or backsplash update that looks like polished marble but avoids traditional tile work. It suits projects where moisture resistance and minimal disruption are priorities, such as shower surrounds, laundry rooms, or kitchen backsplashes.\u003c\/p\u003e\n\u003cp\u003eIt may not be the right choice for those who require natural stone that can be refinished or for very high-traffic commercial installations where heavy impact resistance beyond the RCB rating is required; buyers seeking authentic quarried marble with grout lines and full stone maintenance should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery simple DIY installation with tongue-and-groove, saving time and eliminating grout work.\u003c\/li\u003e\n\u003cli\u003e100% waterproof RCB core offers superior moisture protection compared with many wall coverings.\u003c\/li\u003e\n\u003cli\u003eClean, polished marble appearance that modernizes bathrooms and kitchens quickly.\u003c\/li\u003e\n\u003cli\u003eGreenguard Gold certification supports improved indoor air quality for occupied spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers note mixed opinions about long-term durability and functionality compared with traditional tile installations.\u003c\/li\u003e\n\u003cli\u003eNot actual quarried marble; those wanting real stone texture and maintenance characteristics should choose natural tile.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eDumawall+ Lisbon Polished Marble (8 Pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003e15.5 sq ft per 8 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore technology\u003c\/td\u003e\n\u003ctd\u003ePatented RCB rigid core board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eTongue \u0026amp; groove; glue, nails, or staples over old tiles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutting\u003c\/td\u003e\n\u003ctd\u003eCan be cut with cutter knife or saw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eGreenguard Gold certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Lisbon Polished Marble Dumawall+ panels are a strong value for homeowners seeking a fast, low-mess bathroom or backsplash refresh with reliable waterproofing and an upscale look. For DIYers who prioritize ease of install and indoor air quality, these panels deliver practical performance, though those seeking natural stone should consider traditional tile options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these panels be installed over existing tile?\u003c\/strong\u003e\u003cbr\u003eYes. They can be adhered over old tiles using glue or fastened with nails or staples thanks to the tongue-and-groove design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the panels require grout or drying time?\u003c\/strong\u003e\u003cbr\u003eNo. The system is designed to provide a seamless finish without grouting or lengthy drying periods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these real marble?\u003c\/strong\u003e\u003cbr\u003eNo. They have a polished marble decor layer over a patented RCB rigid core board to mimic marble appearance while remaining waterproof and low maintenance.\u003c\/p\u003e","brand":"DumaWall","offers":[{"title":"Default Title","offer_id":48194558886107,"sku":"B0F4ZC3BVT","price":76.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71MJoX-zv6L._AC_SL1500.jpg?v=1770298324","url":"https:\/\/gearmusthave.com\/products\/lisbon-polished-marble-wall-tiles-8-pack-easy-tongue-groove","provider":"GearMustHave","version":"1.0","type":"link"}