{"product_id":"富斯樂-fosroc-renderoc-gp-25kg","title":"Fosroc Renderoc GP","description":"\u003cdiv class=\"tldr-box\" style=\"background:#f0f4f8;border-left:4px solid #2c5282;padding:16px;margin-bottom:24px\"\u003e\n\u003cstrong\u003eAt a Glance:\u003c\/strong\u003e\u003cp\u003eRenderoc GP is a Fosroc single-component medium-weight concrete and masonry reinstatement mortar designed for hot climates. Pre-blended from Portland cement, graded aggregates, special fillers, and chemical additives — just add water on site. Achieves high build on vertical and overhead surfaces without formwork. Low permeability provides effective protection against carbon dioxide and chloride ingress. Shrinkage-compensated formula containing no chloride admixtures. Excellent thermal compatibility with concrete substrates. Tested to Hong Kong Housing Authority Specification (per manufacturer).\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eRenderoc GP is a ready-to-use blend of dry powders requiring only the site addition of clean water to produce a highly consistent, medium-weight repair mortar for general-purpose concrete and masonry repairs. Based on Portland cement, graded aggregates, special fillers, and chemical additives, modified with anti-desiccation additives for use in all climates. Maintains good handling characteristics while minimising water demand. Exhibits excellent thermal compatibility with concrete, and low water requirement ensures fast strength gain and long-term durability.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHigh Build Without Formwork\u003c\/strong\u003e — Achieves significant thickness on vertical and overhead surfaces without shuttering, saving time and cost\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLow Permeability\u003c\/strong\u003e — Effective barrier against carbon dioxide and chloride ingress, protecting concrete structures\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExcellent Bond\u003c\/strong\u003e — Strong adhesion to concrete substrates\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShrinkage Compensated\u003c\/strong\u003e — Built-in shrinkage compensation reduces cracking risk after curing\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo Chloride Admixtures\u003c\/strong\u003e — Will not contribute to reinforcement corrosion\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eThermal Compatibility\u003c\/strong\u003e — Well-matched coefficient of thermal expansion with concrete\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHot Climate Suitable\u003c\/strong\u003e — Anti-desiccation modified for good workability in high-temperature environments\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eChemical Resistant\u003c\/strong\u003e — Cured mortar resists acid gases, chloride ions, oxygen, and water\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSingle Component\u003c\/strong\u003e — Just add water for quick and simple preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eConcrete Repair\u003c\/strong\u003e — General-purpose concrete patching and maintenance\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMasonry Reinstatement\u003c\/strong\u003e — Masonry structure repair and restoration\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVertical and Overhead\u003c\/strong\u003e — Columns, beams, walls, and ceilings (without formwork)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePatch Repair\u003c\/strong\u003e — All types of localised patch repairs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e — Areas requiring chloride and carbon dioxide resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Guide\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSurface Preparation\u003c\/strong\u003e — Saw-cut repair edges to avoid feathering; remove dust, oil, rust, and unsound material\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSteel Priming\u003c\/strong\u003e — Apply Nitoprime Zincrich (WB) anti-corrosion primer to exposed reinforcement\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSubstrate Priming\u003c\/strong\u003e — Thoroughly soak substrate, then apply Nitobond SBR \/ cement slurry bond coat\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMixing\u003c\/strong\u003e — Use forced-action mixer or suitable paddle with low-speed drill; free-fall mixers must not be used\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e — Apply by gloved hand or trowel, compacting firmly\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCuring\u003c\/strong\u003e — Cure immediately after finishing with Nitobond AR or Concure WB spray membrane\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eProtective Coating\u003c\/strong\u003e — Completed repairs can be overcoated with Dekguard anti-carbonation coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePackaging\u003c\/h2\u003e\n\u003cp\u003e25KG bag (single-component pre-blended powder, just add water)\u003c\/p\u003e\n\n\u003ch2\u003eNotes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNot suitable for areas subject to vehicular traffic\u003c\/li\u003e\n\u003cli\u003eDo not use when the temperature is below 5 degrees and falling\u003c\/li\u003e\n\u003cli\u003eDo not mix part bags\u003c\/li\u003e\n\u003cli\u003eExposure to heavy rainfall before final set may cause surface scour\u003c\/li\u003e\n\u003cli\u003eFor multi-layer application, scratch-key intermediate layers and cure with Nitobond AR before repriming\u003c\/li\u003e\n\u003cli\u003eCan be finished with steel, plastic, or wood float, or damp sponge technique\u003c\/li\u003e\n\u003cli\u003eShelf life of 9 months in original unopened bags stored in dry conditions (per manufacturer)\u003c\/li\u003e\n\u003cli\u003eWear protective gloves, eye protection, and dust masks during application\u003c\/li\u003e\n\u003cli\u003eFor detailed application methods, coverage rates, and technical parameters, refer to the official product data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eHow do I choose between Renderoc GP, HB40, LA55, and S?\u003c\/h3\u003e\n\u003cp\u003eGP is a general-purpose medium-weight repair mortar suitable for common concrete repairs. HB40 is a high-strength grade for structural repairs. LA55 is lightweight, ideal for large-area overhead ceiling repairs. S is a high-strength spray-grade option for large-area spray application. Select based on repair location and project requirements.\u003c\/p\u003e\n\u003ch3\u003eCan Renderoc GP be used on roads or driveways?\u003c\/h3\u003e\n\u003cp\u003eNo. As a medium-weight formulation, the manufacturer explicitly states Renderoc GP should not be used in areas subject to vehicular traffic. For traffic-bearing repairs, please contact us via WhatsApp for suitable alternatives.\u003c\/p\u003e\n\u003ch3\u003eHow much does Renderoc GP cost?\u003c\/h3\u003e\n\u003cp\u003ePlease contact us via WhatsApp for the latest pricing. We offer in-store pickup in Mong Kok and delivery across Hong Kong.\u003c\/p\u003e","brand":"Fosroc 富斯樂","offers":[{"title":"Default Title","offer_id":43647053529238,"sku":"","price":1.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9027\/1382\/files\/220px-Fosroc-logo-RGB_00e152fd-ed1b-4d42-872b-eff7415fb879.jpg?v=1715972772","url":"https:\/\/wahhingwp.com\/en\/products\/%e5%af%8c%e6%96%af%e6%a8%82-fosroc-renderoc-gp-25kg","provider":"華興建築防水材料有限公司","version":"1.0","type":"link"}