{"title":"Poseidon","description":"\u003cp\u003ePoseidon is our liquid-applied waterproof membrane for bathrooms, wet rooms and showers — the seamless tanking layer that goes on before tiling. Brush, roller or spray applied, it cures into a flexible, watertight barrier that meets NHBC and BS 5385-4 tanking guidance, ready to tile straight over. Choose the \u003ca href=\"\/products\/poseidon-waterproof-membrane-paint-7kg?variant=52683355619668\" title=\"Poseidon 7kg\"\u003e7kg\u003c\/a\u003e for a standard bathroom or the \u003ca href=\"\/products\/poseidon-waterproof-membrane-paint-7kg?variant=53685103231316\" title=\"Poseidon 12kg\"\u003e12kg\u003c\/a\u003e for wet rooms and bigger jobs — and see \u003ca href=\"\/blogs\/educational\/how-to-waterproof-a-wetroom-or-bathroom-before-tiling\" title=\"How to waterproof a wetroom\"\u003ehow to waterproof a wetroom before tiling\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"poseidon-waterproof-membrane-paint-12kg","title":"Poseidon - Bathroom \u0026 Wetroom Waterproofing Membrane Paint (12KG) - Spray \/ Roller","description":"\u003ch3\u003eProduct Description – Poseidon 12kg (Large-Scale Waterproofing)\u003c\/h3\u003e\n\u003cp\u003eEven a storm conjured up by Poseidon himself couldn’t get past this powerhouse of waterproofing. Engineered for \u003cstrong\u003elarge-scale bathroom, steam room, and wetroom projects\u003c\/strong\u003e, Poseidon 12kg is the professional’s choice when only total vapour protection will do.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e Big residential bathrooms, commercial wetrooms, gyms, spa facilities, and large tiling projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow’s It Applied?\u003c\/strong\u003e Spray, roller, or brush — Poseidon 12kg offers maximum flexibility for fast and efficient coverage across large surface areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Makes Poseidon Unique?\u003c\/strong\u003e Unlike traditional tanking systems, Poseidon is a \u003cstrong\u003ecomplete vapour block\u003c\/strong\u003e that dries into a seamless, flexible coating for watertight security.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechy Corner:\u003c\/strong\u003e Poseidon is a \u003cstrong\u003epolymer-based, liquid-applied waterproofing membrane\u003c\/strong\u003e that dries into a seamless, flexible coating. The 12kg can is designed for contractors and bigger jobs, delivering maximum coverage and long-term reliability.\u003c\/p\u003e\n\u003cdiv style=\"border-top:2px solid #b5985a;margin-top:28px;padding-top:18px;\"\u003e\n\u003ch2 style=\"color:#4a1a6e;\"\u003eTested \u0026amp; Certified — wetroom waterproofing\u003c\/h2\u003e\n\u003cp\u003ePoseidon is independently certified to both European and US standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEuropean Technical Assessment ETA-23\/0378\u003c\/strong\u003e (CE) — 25-year assessed working life\u003c\/li\u003e\n\u003cli\u003e💧 \u003cstrong\u003eWatertight \u0026amp; crack-bridging\u003c\/strong\u003e — EN 14891 (no water penetration; 0.4 mm crack-bridging; watertight through 2 mm joint movement)\u003c\/li\u003e\n\u003cli\u003e🛁 \u003cstrong\u003eTile-adhesive bond retained\u003c\/strong\u003e after water, heat \u0026amp; chlorinated (pool\/spa) water — EN 14891\u003c\/li\u003e\n\u003cli\u003e🇺🇸 \u003cstrong\u003eANSI A118.10\u003c\/strong\u003e (waterproof) \u0026amp; \u003cstrong\u003eA118.12\u003c\/strong\u003e crack isolation (High Performance); zero-VOC emissions (CA 01350)\u003c\/li\u003e\n\u003cli\u003e🧱 \u003cstrong\u003eStrong adhesion\u003c\/strong\u003e — brick, block, screed, tile \u0026amp; gypsum (1.0–1.6 N\/mm², EN ISO 4624) · ♻️ EPD (EN 15804)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/passive-purple-tested-certified\" title=\"Tested \u0026amp; Certified\"\u003eSee all test data \u0026amp; certifications →\u003c\/a\u003e · \u003ca href=\"\/blogs\/educational\/what-an-eta-means-poseidon-wetroom-waterproofing-certified\"\u003eWhat an ETA means\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eQuality assurance:\u003c\/strong\u003e \u003ca href=\"\/pages\/qa-sign-off-downloads\"\u003eDownload the free Installation \u0026amp; QA Record sign-off sheet (IM-QA-08)\u003c\/a\u003e for this product.\u003c\/p\u003e","brand":"Intelligent Membranes","offers":[{"title":"Blue","offer_id":52683374395732,"sku":"IM\/00POS12","price":119.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/2104\/7636\/files\/Poseidon.png?v=1784731957"},{"product_id":"poseidon-waterproof-membrane-paint-7kg","title":"Poseidon - Bathroom \u0026 Wetroom Waterproofing Membrane Paint (7kg, 10kg, 12kg) - Spray \/ Roller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003ePoseidon Bathroom \u0026amp; Wetroom Waterproofing Membrane Paint is a liquid-applied, polymer-based membrane available in 7kg, 10kg, and 12kg containers. Designed for use with spray, roller, or brush application, it provides a seamless, durable waterproofing layer suitable for high-moisture environments. This waterproofing membrane is formulated to create a long-lasting vapor barrier that protects wet areas from water ingress and vapour penetration. Its flexible composition allows it to accommodate building movement without cracking, ensuring ongoing waterproof performance in bathrooms, steam rooms, and wetrooms prior to tiling installations.\u003c\/p\u003e\n\u003ch3\u003eMaterials and Composition\u003c\/h3\u003e\n\u003cp\u003eThe Poseidon waterproofing membrane is a polymer-based, liquid-applied membrane that cures into a flexible, seamless film. It is engineered for durability and resistance to water vapour transmission, with adhesion tailored to various substrates such as concrete, cementitious substrates, and tiles. The membrane forms a robust barrier that is resistant to UV exposure, chemicals, and environmental wear, suitable for continuous contact with moisture and steam.\u003c\/p\u003e\n\u003ch3\u003eDimensions and Capacity\u003c\/h3\u003e\n\u003cp\u003eThe product is available in 7kg, 10kg, and 12kg volumes, providing coverage dependent on application thickness. Typically, a 10kg container covers approximately 15-20 square meters at a 1mm thickness. The membrane supports consistent, even coverage when applied via spray, roller, or brush, with a recommended minimum thickness of 1mm for effective waterproofing.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Vapour Barrier Performance\u003c\/strong\u003e – Provides a complete vapor block to prevent moisture transmission in wet areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless and Flexible\u003c\/strong\u003e – Cures into a continuous membrane that accommodates building movement without cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Application Options\u003c\/strong\u003e – Suitable for spray, roller, or brush application, enabling quick installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Long-Term Waterproofing\u003c\/strong\u003e – Offers reliable protection against water ingress and vapour penetration for years of use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesive Compatibility\u003c\/strong\u003e – Bonds effectively to concrete, cement-based substrates, and tiles, ensuring a secure and waterproof installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal Use Cases and User Recommendations\u003c\/h3\u003e\n\u003cp\u003eThe Poseidon waterproofing membrane is ideal for professionals and DIYers working on bathrooms, steam rooms, wetrooms, and other high-moisture environments where maximum vapour and water protection are required. It is suitable for both new installations and refurbishments, particularly in situations where moisture control and long-term waterproofing are priorities. The membrane’s easy application process makes it suitable for rapid projects, minimizing downtime and labor effort.\u003c\/p\u003e\n\u003ch3\u003eIncluded Items and Additional Details\u003c\/h3\u003e\n\u003cp\u003eEach order includes the selected volume of Poseidon waterproofing membrane paint in a ready-to-use container. No additional tools are included, but rollers, brushes, or spraying equipment are recommended based on application preference. The product is not designed for coverage of structural elements outside wet areas; it should be used as part of a complete waterproofing system.\u003c\/p\u003e\n\u003ch3\u003eCare, Maintenance, and Storage\u003c\/h3\u003e\n\u003cp\u003eAfter curing, the membrane requires no special maintenance. It can be cleaned with water and mild detergents if necessary. The product should be stored in a cool, dry place, away from direct sunlight, and kept tightly sealed to prevent contamination. For optimal longevity, avoid exposure to extreme temperatures and UV light. The membrane offers long-term waterproofing with proper application and handling.\u003c\/p\u003e\n\u003cdiv style=\"border-top:2px solid #b5985a;margin-top:28px;padding-top:18px;\"\u003e\n\u003ch2 style=\"color:#4a1a6e;\"\u003eTested \u0026amp; Certified — wetroom waterproofing\u003c\/h2\u003e\n\u003cp\u003ePoseidon is independently certified to both European and US standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEuropean Technical Assessment ETA-23\/0378\u003c\/strong\u003e (CE) — 25-year assessed working life\u003c\/li\u003e\n\u003cli\u003e💧 \u003cstrong\u003eWatertight \u0026amp; crack-bridging\u003c\/strong\u003e — EN 14891 (no water penetration; 0.4 mm crack-bridging; watertight through 2 mm joint movement)\u003c\/li\u003e\n\u003cli\u003e🛁 \u003cstrong\u003eTile-adhesive bond retained\u003c\/strong\u003e after water, heat \u0026amp; chlorinated (pool\/spa) water — EN 14891\u003c\/li\u003e\n\u003cli\u003e🇺🇸 \u003cstrong\u003eANSI A118.10\u003c\/strong\u003e (waterproof) \u0026amp; \u003cstrong\u003eA118.12\u003c\/strong\u003e crack isolation (High Performance); zero-VOC emissions (CA 01350)\u003c\/li\u003e\n\u003cli\u003e🧱 \u003cstrong\u003eStrong adhesion\u003c\/strong\u003e — brick, block, screed, tile \u0026amp; gypsum (1.0–1.6 N\/mm², EN ISO 4624) · ♻️ EPD (EN 15804)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/passive-purple-tested-certified\" title=\"Tested \u0026amp; Certified\"\u003eSee all test data \u0026amp; certifications →\u003c\/a\u003e · \u003ca href=\"\/blogs\/educational\/what-an-eta-means-poseidon-wetroom-waterproofing-certified\"\u003eWhat an ETA means\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-top:2px solid #b5985a;margin-top:28px;padding-top:18px;\"\u003e\n\u003ch2 style=\"color:#4a1a6e;\"\u003e🌎 Tested for World Markets — ASTM (US) \u0026amp; EN (Europe)\u003c\/h2\u003e\n\u003cp\u003ePoseidon is tested to US ASTM standards alongside European (EN) certifications for world markets, so the same wetroom waterproofing membrane can be specified for projects in the UK, Europe and North America.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUS architects \u0026amp; specifiers: \u003ca href=\"\/pages\/us-specifications\" title=\"US specifications in CSI MasterFormat\"\u003edownload the US specifications (CSI MasterFormat)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eUS supply: \u003ca href=\"\/pages\/chicago\" title=\"Passive Purple Chicago — distributed and installed by WickRight\"\u003eWickRight, our Chicago distribution partner\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-top:2px solid #b5985a;margin-top:28px;padding-top:18px;\"\u003e\n\u003ch2 style=\"color:#4a1a6e;\"\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003eHelpful guides related to this product:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/nhbc-standards-2023-waterproof-membranes-as-a-tanking-system\" title=\"NHBC Standards 2023: Waterproof Membranes as a Tanking System\"\u003eNHBC Standards 2023: Waterproof Membranes as a Tanking System\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/educational\/five-things-about-waterproofing\" title=\"Five Things About Waterproofing\"\u003eFive Things About Waterproofing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/educational\/damp-proofing-vs-waterproofing-what-is-the-difference\" title=\"Damp Proofing vs Waterproofing: What is the Difference?\"\u003eDamp Proofing vs Waterproofing: What is the Difference?\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eQuality assurance:\u003c\/strong\u003e \u003ca href=\"\/pages\/qa-sign-off-downloads\"\u003eDownload the free Installation \u0026amp; QA Record sign-off sheet (IM-QA-08)\u003c\/a\u003e for this product.\u003c\/p\u003e","brand":"Intelligent Membranes","offers":[{"title":"7kg","offer_id":52683355619668,"sku":"IM\/00POS7","price":70.0,"currency_code":"GBP","in_stock":true},{"title":"12kg","offer_id":53685103231316,"sku":"IM\/00POS12","price":119.0,"currency_code":"GBP","in_stock":true},{"title":"10kg","offer_id":54065317740884,"sku":"IM\/00POS10","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/2104\/7636\/files\/Poseidon_c1674076-9686-43d6-a56d-4d79523e26c9.png?v=1784732839"}],"url":"https:\/\/intelligentmembranes.com\/collections\/poseidon.oembed","provider":"Intelligent Membranes","version":"1.0","type":"link"}