{"product_id":"ardex-flexbone-in-floor-heating-waterproofing-and-uncoupling-membrane-sheet-8-4-sq-ft","title":"ARDEX FLEXBONE HEAT UH 905 Waterproofing \u0026 Uncoupling Membrane Sheet, 1\/4\" Thick, Flooring Underlayment Mat for Radiant Floor Heating System Installation - 8.4 sq ft","description":"\u003cp\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Functionality:\u003c\/strong\u003e Combines in-floor heating, uncoupling, and waterproofing into a single advanced membrane system for efficient radiant heat installation and long-term floor protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Coverage \u0026amp; Thickness:\u003c\/strong\u003e Each FLEXBONE HEAT membrane sheet covers 8.4 sq. ft. (3 ft 3 in x 2 ft 7 in) and features a 1\/4-inch XL uncoupling thickness for perfect height transition with hardwood, vinyl, and raised tile flooring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced German Engineering:\u003c\/strong\u003e Designed by ARDEX, a trusted name in professional flooring systems, the FLEXBONE HEAT membrane delivers precision, durability, and ease of installation for both residential and commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Heat Distribution: \u003c\/strong\u003eThe crossbone stud pattern securely holds electric heating cables in place, ensuring even spacing and rapid heat transfer. It minimizes air pockets by up to 81%, resulting in faster warm-up times and up to 11% greater energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal Roll Memory: \u003c\/strong\u003eUnlike standard membranes that curl after unrolling, FLEXBONE HEAT lays perfectly flat, simplifying layout, cutting, and installation for DIYers and professional tile contractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Uncoupling \u0026amp; Crack Isolation: \u003c\/strong\u003eThe 1\/4-inch thick structure effectively absorbs movement between the subfloor and tile, preventing tile cracks and grout damage, especially in areas with temperature variations or structural stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Vapor-Resistant Barrier: \u003c\/strong\u003eProvides complete moisture protection and substrate isolation, making it ideal for wet areas such as showers, bathrooms, laundry rooms, kitchens, basements, and hot tub surrounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Tile Compatibility:\u003c\/strong\u003e Suitable for all tile and stone finishes, including ceramic, porcelain, marble, granite, mosaic, and natural stone tiles, ensuring a flawless and durable tile installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Any Room: \u003c\/strong\u003ePerfect for living rooms, foyers, dining areas, hallways, enclosed balconies, food courts, and commercial lobbies, delivering comfortable warmth and long-term performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Sizing Option: \u003c\/strong\u003eSold in convenient 8.4 sq. ft. sheets, allowing you to purchase the exact amount needed for your project without investing in a full roll—ideal for small renovations or partial flooring upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ARDEX FLEXBONE HEAT Membrane Sheet is a high-performance 3-in-1 in-floor heating, uncoupling, and waterproofing membrane engineered with German precision for superior comfort, energy efficiency, and floor protection. Designed for use with electric radiant heating cables, it provides a durable and easy-to-install base that ensures even heat distribution, moisture resistance, and substrate stability for long-lasting tiled floor systems.\u003c\/p\u003e\n\u003cp\u003eEach FLEXBONE HEAT membrane features ARDEX’s patented crossbone stud pattern, which securely anchors heating wires while minimizing air gaps for faster and more efficient heat transfer. This design reduces air space by up to 81%, delivering a quicker floor warm-up and improved energy efficiency of up to 11%. Its 1\/4-inch XL uncoupling layer absorbs substrate movement and prevents cracks, ensuring smooth transitions between tile and adjacent flooring materials like hardwood or vinyl.\u003c\/p\u003e\n\u003cp\u003eThe waterproof and vapor-resistant construction makes it suitable for use in wet environments such as bathrooms, showers, kitchens, laundry rooms, and basements, protecting against water penetration and mold growth. The low roll memory property ensures the sheets lay flat upon unrolling, streamlining installation for both professionals and DIY homeowners.\u003c\/p\u003e\n\u003cp\u003eCompatible with a wide range of surface materials—including ceramic, porcelain, natural stone, marble, granite, mosaic, linoleum, vinyl, and concrete substrates—the ARDEX FLEXBONE HEAT membrane provides flexibility for any flooring project. Its crack isolation and substrate decoupling capabilities ensure long-term tile integrity, even under thermal expansion or structural movement.\u003c\/p\u003e\n\u003cp\u003ePerfect for residential or commercial renovations, this membrane enhances both functionality and comfort. Whether used in living rooms, foyers, lobbies, or under tile floors in bathrooms and kitchens, the ARDEX FLEXBONE HEAT Membrane provides a durable, waterproof, and energy-efficient foundation for any radiant heating installation. Sold in 8.4 sq. ft. sheets, it allows precise coverage for projects of any size without the need to purchase a full roll—making it ideal for custom installations, room remodels, or DIY flooring upgrades.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"100%\" height=\"440\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/06d2c3e70eec49f2908e4ca531817906.mp4\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Ardex","offers":[{"title":"1 Sheet","offer_id":43986666258649,"sku":"ARDEX_H_84_01","price":17.39,"currency_code":"CAD","in_stock":true},{"title":"2 Sheets","offer_id":43986666291417,"sku":"ARDEX_H_84_02","price":40.47,"currency_code":"CAD","in_stock":true},{"title":"3 Sheets","offer_id":43986666324185,"sku":"ARDEX_H_84_03","price":63.1,"currency_code":"CAD","in_stock":true},{"title":"4 Sheets","offer_id":43986666356953,"sku":"ARDEX_H_84_04","price":82.98,"currency_code":"CAD","in_stock":true},{"title":"5 Sheets","offer_id":43986666389721,"sku":"ARDEX_H_84_05","price":100.57,"currency_code":"CAD","in_stock":true},{"title":"6 Sheets","offer_id":43986666422489,"sku":"ARDEX_H_84_06","price":117.36,"currency_code":"CAD","in_stock":true},{"title":"7 Sheets","offer_id":43986666455257,"sku":"ARDEX_H_84_07","price":134.54,"currency_code":"CAD","in_stock":true},{"title":"8 Sheets","offer_id":43986666488025,"sku":"ARDEX_H_84_08","price":151.73,"currency_code":"CAD","in_stock":true},{"title":"9 Sheets","offer_id":43986666520793,"sku":"ARDEX_H_84_09","price":167.95,"currency_code":"CAD","in_stock":true},{"title":"10 Sheets","offer_id":43986666553561,"sku":"ARDEX_H_84_10","price":184.88,"currency_code":"CAD","in_stock":true},{"title":"40 Sheets","offer_id":43986666586329,"sku":"ARDEX_H_84_40","price":690.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/4676\/8089\/files\/1_24.jpg?v=1760981921","url":"https:\/\/gtdsupply.com\/products\/ardex-flexbone-in-floor-heating-waterproofing-and-uncoupling-membrane-sheet-8-4-sq-ft","provider":"Global Trade \u0026 Distribution Inc.","version":"1.0","type":"link"}