Overview
Waterproof sand-textured coating is an advanced architectural coating that combines protective and decorative functions. Developed as an upgrade to traditional textured paints, it incorporates acrylic or silicone-modified resins with graded quartz sand particles. The technology originated in Europe during the 1990s and gained popularity in Asia for its ability to mimic natural stone at lower cost. The coating serves dual purposes: creating visually appealing granite-like textures while forming a seamless waterproof membrane. Its elastomeric properties allow for 300-500% elongation, accommodating structural movement without cracking. Major manufacturers include Asian Paints, Nippon Paint, and local producers specializing in weatherproof coatings.
Physical and Chemical Properties
The coating's performance stems from its composite formulation. Base polymers (typically acrylic-styrene or silicone-acrylic copolymers) provide adhesion and flexibility, while graded silica sand (0.1-1.2mm particle size) creates texture. Additives include hydrophobic agents like siloxanes for water beading, and UV absorbers such as titanium dioxide for color retention. Key technical parameters include a water absorption rate <5% (ASTM D570), tensile strength >2MPa, and elongation at break exceeding 300%. The coating typically achieves 0.5-2mm dry film thickness per layer, with coverage of 1.5-3.5 kg/m² depending on desired texture depth. Accelerated weathering tests (QUV 2000+ hours) demonstrate minimal chalking or fading.
Main Applications
Primarily used for exterior wall systems, this coating is specified for: 1) High-rise building facades requiring impact resistance and thermal movement accommodation, 2) Coastal properties needing salt spray resistance, 3) Commercial complexes desiring premium stone-like aesthetics without masonry costs. Secondary applications include waterproofing of balconies, podium decks, and underground structures. When applied over proper substrates (concrete, EIFS, or cement boards), it forms a continuous barrier against water ingress while allowing vapor transmission (≥50g/m²/24h). Some formulations meet fire-rating standards like BS 476 Part 6 for commercial use.
Safety and Storage
As a water-based product, the coating has low flammability (flash point >100°C) and typically contains <50g/L VOC. However, uncured material may cause eye/skin irritation—nitrile gloves and goggles are recommended during application. Ensure adequate ventilation when spraying indoors. Storage requires protection from freezing (minimum 5°C) and excessive heat (maximum 35°C). Unopened containers maintain stability for 12-18 months when stored properly. Cured film is non-hazardous and complies with EPA and EU REACH regulations for heavy metal content. Disposal of waste should follow local regulations for acrylic polymer products.
B2B Procurement Guide
When sourcing at commercial scale, prioritize: 1) Manufacturer certifications (ISO 9001, ISO 14001), 2) Third-party test reports for waterproofing performance (ASTM D7087), 3) Batch consistency guarantees (color variation ΔE<1.0). Request mockup samples for texture approval before bulk ordering. Consider total system cost including primer (typically acrylic-based) and topcoat (optional silicone clear coat for enhanced durability). For projects exceeding 10,000m², negotiate factory-direct pricing with technical support for application training. Leading Chinese manufacturers include Zhanchen and SKSHU Paint, offering formulations specifically for tropical or polluted urban environments.
Related Manufacturers
- 主营：有机硅高温漆、丙烯酸聚氨酯漆、水性丙烯酸面漆、om-5防腐涂料、8710饮用水涂料、环氧陶瓷涂料、环氧玻璃鳞片涂料、乙烯基玻璃鳞片涂料、无溶剂环氧涂料、耐油导静电涂料、聚氯乙烯含氟荧丹漆、环氧自流平面漆、氟碳漆
- 主营：MCM软瓷、鎏金板、打印洞石、墙面涂料、内墙漆无机涂料、柔性石材、多彩仿石漆、软瓷艺术鎏金板、艺术馆室内外装饰、软瓷墙面装饰砖洞石、平板砂岩、3D打印洞石软瓷、超薄柔性石材瓷砖、仿石材软瓷大板、外墙装饰材料柔石、内墙白色乳胶漆、3D打印洞石、建筑物外墙软瓷、外墙装修软瓷、超薄软石、软瓷外墙砖、柔性MCM壁岩、米黄色板岩
- 主营：MCM生态软瓷、mcm软瓷、劈开砖、无机涂料、mcm壁岩、软瓷砖、乳胶漆、多彩漆、天然真石漆、水包水多彩漆、氟碳漆、岩片漆、石头漆、软陶瓷、软石材、金属漆、质感漆、软陶砖、花岗岩漆、纳米自洁面漆
- 主营：微水泥、清水混凝土漆、稻草漆、水包砂、艺术涂料、水洗石涂料、夯土漆、水洗石、地坪漆、艺术水泥漆、水泥漆、肌理漆、雅晶石艺术漆、仿木纹漆、黄泥漆、复古地坪漆、半哑光水性木器漆、外墙弹性拉毛漆、强力背涂胶、石灰基水泥漆、水性木器漆、仿古地坪漆、双组份微水泥、环氧彩砂
- 主营：岩片漆、外墙漆、石头漆、水包砂、多彩涂料、真石漆、罩面漆、拉毛漆、乳胶漆、环保漆、花岗岩、质感漆、仿石漆、地坪漆、多彩漆、防锈漆、水性漆、氟碳漆、水性工业漆、水性钢构漆、彩钢瓦翻新漆、水性设备漆
- 主营：仿石漆、水包水、真石漆、水包砂、内墙涂料、艺术涂料、质感涂料、防水材料、防火涂料、无机涂料、陶彩砂、岩片漆、乳胶漆、墙面漆、雅晶石、肌理漆、石纹彩、艺术灰泥、罩光面油、弹性外墙、儿童漆、石漆、外墙真石漆、天然真石漆
- 主营：氟碳漆、环氧地坪漆、防腐防锈漆、无机涂料、户外地坪漆、环氧富锌底漆、聚硅氧烷漆、船舶防腐漆、多彩漆、环氧防腐漆、无溶剂漆、海虹老人漆、耐高温漆、特种漆、耐化学品漆、防污漆
- 主营：真石漆、水包水、烧结彩砂、无机矿物涂料、微晶石、晶彩石、石材颗粒饰面砂浆、无机饰面砂浆、高温煅烧彩砂、艺术漆
- 主营：染色树皮、彩色有机覆盖物、有机覆盖物、水包砂、气凝胶涂料、艺术涂料、内墙涂料、外墙涂料、发酵松磷、树皮有机覆盖、发酵松树皮、天然杉木屑、罩光漆、树木涂白剂、园林景观覆盖物、彩色树皮覆盖物、彩色树皮有机覆盖物、涂白剂、园林松树木皮、彩色有机物覆盖物、绿化松树木皮、有机树皮覆盖物、多彩仿石漆、土壤改良覆盖物
- 主营：真石漆、仿石漆、水包水、无机涂料、水包砂、内墙乳胶漆、外墙乳胶漆
- 主营：分散剂、消泡剂、阻燃剂、碳黑、颜料、钛白粉、抗氧剂、光稳定剂、紫外线吸收剂、色母粒、改性塑料、成核剂、光引发剂、抗静电剂、扩链剂、润滑剂
- 主营：油漆、塑粉、外墙漆、粉末涂料、地坪漆
- 主营：外墙真石漆、仿石漆、水包水、水包砂、质感涂料、艺术涂料、麻砂石、弹性外墙漆、陶彩砂、乳胶漆
- 主营：内外墙、大理石、仿砖漆、涂料oem、乳胶漆、花岗岩、多彩漆、黑底漆、搅拌罐、石材漆、岩片漆、石头漆、建筑漆、属于您、水包沙、石漆oem、漆设备、质感漆、抗碱封、水性漆、外墙漆、耐酸碱、彩石漆、挤塑板、罩面漆
- 主营：天然真石漆、花岗岩多彩仿石漆、微水泥、艺术涂料、水包砂仿石漆、仿石漆、微陶泥、质感漆、腻子粉、瓷砖胶、内外墙乳胶漆、肌理漆、防火漆