{"title":"Ardex","description":"\u003cp\u003eArdex is an international construction-chemicals brand with products covering waterproofing, floor preparation, tile fixing and repair systems for commercial and residential building work.\u003c\/p\u003e","products":[{"product_id":"ardex-wpm-300-hydrepoxy-300-20l","title":"Ardex WPM 300 水性環氧防水膜 \/ 20L","description":"\u003cdiv class=\"tldr-box\" style=\"background:#f0f4f8;border-left:4px solid #2c5282;padding:16px;margin-bottom:24px;\"\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003cp\u003eArdex WPM 300 (HydrEpoxy 300) is a two-component water-based epoxy waterproofing membrane that can be applied directly to damp or freshly laid concrete. It withstands both positive and negative water pressure, making it suitable for basements, underground carparks, retaining walls, lift pits, water tanks and reservoirs. Solvent-free and non-flammable, it is safe for use in moisture-sensitive interior environments.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eWater-based epoxy\u003c\/strong\u003e — solvent-free, non-flammable, low odour; suitable for poorly ventilated interior spaces\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003ePositive and negative water pressure\u003c\/strong\u003e — can be applied from either the water-facing or the dry side\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eApplies to damp and green concrete\u003c\/strong\u003e — excellent adhesion to damp substrates and freshly cast concrete\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003ePrevents rising damp and efflorescence\u003c\/strong\u003e — acts as a vapour barrier\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eOverpaintable\u003c\/strong\u003e — can be overcoated once cured\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eBroad substrate adhesion\u003c\/strong\u003e — concrete, brick, masonry, stone and timber\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eChemical resistance\u003c\/strong\u003e — passes acid, alkali and UV tests\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eNegative-side waterproofing\u003c\/strong\u003e — basements, tunnels, retaining walls, lift pits\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003ePositive-side waterproofing\u003c\/strong\u003e — water tanks, reservoirs, pools\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDamp-proof membrane\u003c\/strong\u003e — blocks rising damp for subsequent floor coverings\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eGreen-concrete sealing\u003c\/strong\u003e — waterproof barrier on freshly hardened concrete\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhy choose Ardex WPM 300\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eWater-based = safe\u003c\/strong\u003e — no solvents, non-flammable, low odour in enclosed spaces\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eTwo-way waterproofing\u003c\/strong\u003e — one product for positive and negative pressure\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eDamp-substrate application\u003c\/strong\u003e — no waiting for the substrate to dry\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eApplication notes\u003c\/h2\u003e\u003cp\u003eSubstrate must be sound and clean. Mix A + B with an electric stirrer. Dampen dry concrete before application. Minimum two coats in alternating directions. Refer to TDS for coverage, thickness and curing.\u003c\/p\u003e\u003ch2\u003eApplication demo video\u003c\/h2\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin-bottom:24px;\"\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/H4zJh51B_DI\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allow=\"accelerometer;autoplay;clipboard-write;encrypted-media;gyroscope;picture-in-picture\" allowfullscreen loading=\"lazy\" title=\"Ardex WPM 300 application demo\"\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan WPM 300 be used for negative-side waterproofing?\u003c\/strong\u003e\u003cbr\u003eYes. It handles both positive and negative water pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between WPM 300 and Sikagard 720?\u003c\/strong\u003e\u003cbr\u003eBoth suit negative-side waterproofing. WPM 300 is a water-based epoxy membrane (brush\/roller); \u003ca href=\"\/en\/products\/西卡sikagard-720-epocem-批蕩砂漿\"\u003e720 EpoCem\u003c\/a\u003e is an epoxy-modified cementitious mortar (trowel-applied). Choice depends on substrate and project design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan WPM 300 be used in drinking-water tanks?\u003c\/strong\u003e\u003cbr\u003eYes. Approved under BS 6920 for potable-water contact.\u003c\/p\u003e\u003cp\u003eMost products typically in stock. Refer to the TDS for details, or WhatsApp Wah Hing.\u003c\/p\u003e","brand":"Ardex","offers":[{"title":"20L Kit","offer_id":46535389905046,"sku":null,"price":1.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9027\/1382\/files\/ardex-wpm-300-water-based-epoxy-waterproofing-membrane-part-a-b.jpg?v=1787066518"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9027\/1382\/collections\/ardex-brand-logo.png?v=1787069329","url":"https:\/\/wahhingwp.com\/en\/collections\/ardex.oembed","provider":"華興建築防水材料有限公司","version":"1.0","type":"link"}