{"id":4257,"date":"2025-11-04T08:49:52","date_gmt":"2025-11-04T08:49:52","guid":{"rendered":"https:\/\/aesthedgewallpanel.com\/?p=4257"},"modified":"2025-11-04T08:49:59","modified_gmt":"2025-11-04T08:49:59","slug":"is-spc-wall-panel-more-waterproof-than-wpc-wall-panel","status":"publish","type":"post","link":"https:\/\/aesthedgewallpanel.com\/ja\/is-spc-wall-panel-more-waterproof-than-wpc-wall-panel\/","title":{"rendered":"Is SPC Wall Panel More Waterproof than WPC Wall Panel?"},"content":{"rendered":"<p>In the modern interior decoration market, both <strong><a href=\"https:\/\/aesthedgewallpanel.com\/ja\/product-category\/spc-wall-panel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">SPC\u58c1\u30d1\u30cd\u30eb<\/mark><\/a><\/strong> \u305d\u3057\u3066 <strong><a href=\"https:\/\/aesthedgewallpanel.com\/ja\/product-category\/wpc-wall-panel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">WPC \u306e\u58c1\u30d1\u30cd\u30eb<\/mark><\/a><\/strong> have become increasingly popular choices due to their excellent durability, elegant appearance, and ease of installation. However, one of the most frequently asked questions from customers\u2014especially in humid regions or countries with tropical climates\u2014is:<\/p>\n\n\n\n<p>\ud83d\udc49 <strong>Is SPC wall panel more waterproof than WPC wall panel?<\/strong><\/p>\n\n\n\n<p>In this article, we will provide a detailed comparison between SPC and WPC wall panels from the perspective of <strong>composition, water resistance, stability, and practical applications<\/strong>. As a professional <strong>SPC and WPC wall panel manufacturer and exporter in China<\/strong>, we will also share insights from production experience to help B2B clients make informed purchasing decisions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding SPC and WPC Wall Panels<\/h2>\n\n\n\n<p>Before comparing their waterproof performance, let\u2019s understand what SPC and WPC actually are.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 What Is an SPC Wall Panel?<\/h3>\n\n\n\n<p><strong>SPC (Stone Plastic Composite)<\/strong> wall panels are made of <strong>natural limestone powder, polyvinyl chloride (PVC) resin, and stabilizers<\/strong> through a high-temperature extrusion process. This combination creates a <strong>rigid, dense, and non-porous core structure<\/strong>, giving SPC panels exceptional stability and water resistance.<\/p>\n\n\n\n<p><strong>SPC\u58c1\u30d1\u30cd\u30eb\u306e\u4e3b\u306a\u7279\u5fb4<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Main materials: 60% limestone powder, 30% PVC resin, 10% stabilizers and additives.<\/li>\n\n\n\n<li>Density: Around 2,000\u20132,200 kg\/m\u00b3.<\/li>\n\n\n\n<li>Structure: High-density rigid core.<\/li>\n\n\n\n<li>Surface: UV coating or decorative film with protective layer.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 What Is a WPC Wall Panel?<\/h3>\n\n\n\n<p><strong>WPC (Wood Plastic Composite)<\/strong> wall panels are made by combining <strong>wood fibers (or wood powder)<\/strong> with <strong>plastic polymers (usually PVC or PE)<\/strong> and additives. They are known for their natural wood-like appearance, flexibility, and eco-friendliness.<\/p>\n\n\n\n<p><strong>Key Features of WPC Wall Panels:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Main materials: 50\u201370% wood fiber, 20\u201330% plastic resin, 10% additives.<\/li>\n\n\n\n<li>Density: Around 1,200\u20131,400 kg\/m\u00b3.<\/li>\n\n\n\n<li>Structure: Semi-rigid, slightly porous core.<\/li>\n\n\n\n<li>Surface: Co-extrusion layer or laminated decorative film.<\/li>\n<\/ul>\n\n\n\n<p><strong>Summary:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPC \u2192 More stone content \u2192 Rigid and dense.<\/li>\n\n\n\n<li>WPC \u2192 More wood content \u2192 Flexible and natural.<\/li>\n<\/ul>\n\n\n\n<p>This fundamental difference in composition directly affects their <strong>waterproof performance<\/strong>, which we\u2019ll discuss next.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"710\" height=\"500\" src=\"https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-1.webp\" alt=\"\" class=\"wp-image-4259\" srcset=\"https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-1.webp 710w, https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-1-300x211.webp 300w, https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-1-18x12.webp 18w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Comparing Waterproof Performance<\/h2>\n\n\n\n<p>Waterproofness is a crucial factor for interior and exterior wall applications, especially in <strong>bathrooms, kitchens, laundry rooms, and basements<\/strong>.<\/p>\n\n\n\n<p>Let\u2019s compare SPC and WPC in terms of water absorption, swelling, and long-term moisture resistance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 Water Absorption Rate<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th><th>SPC Wall Panel<\/th><th>WPC\u306e\u58c1\u30d1\u30cd\u30eb<\/th><\/tr><\/thead><tbody><tr><td>Water Absorption Rate<\/td><td>\u22640.05%<\/td><td>\u22640.5%<\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>High (2000\u20132200 kg\/m\u00b3)<\/td><td>Medium (1200\u20131400 kg\/m\u00b3)<\/td><\/tr><tr><td>Core Structure<\/td><td>Non-porous<\/td><td>Micro-porous<\/td><\/tr><tr><td>Result<\/td><td><strong>Excellent waterproof<\/strong><\/td><td><strong>Good waterproof<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>SPC panels have a nearly <strong>zero water absorption rate<\/strong>, meaning that even after prolonged contact with water, their shape and structure remain stable.<\/p>\n\n\n\n<p>WPC panels, while still water-resistant compared to wood or MDF panels, contain wood fibers that may absorb minimal moisture over time\u2014especially in environments with extreme humidity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 Dimensional Stability<\/h3>\n\n\n\n<p>SPC\u2019s stone-based core does not expand or contract easily when exposed to water. In comparison, WPC may expand slightly if water penetrates through joints or unsealed edges.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPC expansion rate:<\/strong> &lt; 0.1%<\/li>\n\n\n\n<li><strong>WPC expansion rate:<\/strong> 0.2%\u20130.5%<\/li>\n<\/ul>\n\n\n\n<p>Therefore, SPC maintains its dimensional stability even under prolonged water exposure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 Mold and Mildew Resistance<\/h3>\n\n\n\n<p>Because SPC is 100% inorganic, it <strong>does not support mold or bacterial growth<\/strong>.<br>WPC, containing organic wood fibers, can develop <strong>mold or fungus<\/strong> in poorly ventilated or constantly damp areas\u2014though co-extruded WPC with a capped layer greatly reduces this risk.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Real-World Waterproof Test Results<\/h2>\n\n\n\n<p>To better understand how SPC and WPC perform under real-world conditions, let\u2019s look at laboratory and field test data (based on factory testing results):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Test Item<\/th><th>SPC Wall Panel<\/th><th>WPC\u306e\u58c1\u30d1\u30cd\u30eb<\/th><\/tr><\/thead><tbody><tr><td>24-hour water immersion<\/td><td>No swelling or color change<\/td><td>Slight swelling (0.2\u20130.4%)<\/td><\/tr><tr><td>Boiling water test (2 hrs)<\/td><td>No deformation<\/td><td>Minor deformation<\/td><\/tr><tr><td>Long-term humidity test (95% RH, 30\u00b0C, 30 days)<\/td><td>No mildew or odor<\/td><td>Slight surface mildew (if untreated)<\/td><\/tr><tr><td>Salt spray resistance (for exterior use)<\/td><td>\u7d20\u6674\u3089\u3057\u3044<\/td><td>\u30b0\u30c3\u30c9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Conclusion:<\/strong><br>SPC wall panels have <strong>superior waterproof and moisture resistance performance<\/strong> compared to WPC, especially suitable for <strong>wet or humid environments<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Applications Based on Waterproof Performance<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 SPC Wall Panel Applications<\/h3>\n\n\n\n<p>Because of its excellent waterproofness, SPC wall panels are ideal for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bathrooms and shower rooms<\/strong><\/li>\n\n\n\n<li><strong>Kitchens and laundry areas<\/strong><\/li>\n\n\n\n<li><strong>Basements and underground spaces<\/strong><\/li>\n\n\n\n<li><strong>Public restrooms and commercial facilities<\/strong><\/li>\n\n\n\n<li><strong>High-humidity regions (coastal or tropical areas)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>SPC\u2019s rigid core and non-porous surface prevent water seepage and make cleaning easy. It\u2019s a preferred choice for <strong>interior contractors and hotel projects<\/strong> requiring long-term moisture resistance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 WPC Wall Panel Applications<\/h3>\n\n\n\n<p>WPC wall panels perform well in <strong>normal indoor environments<\/strong> or <strong>semi-outdoor areas<\/strong> where there\u2019s limited direct water exposure:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Living rooms and bedrooms<\/strong><\/li>\n\n\n\n<li><strong>Office and conference rooms<\/strong><\/li>\n\n\n\n<li><strong>Balcony ceilings (covered)<\/strong><\/li>\n\n\n\n<li><strong>Hotel lobbies and corridors<\/strong><\/li>\n<\/ul>\n\n\n\n<p>For outdoor applications, co-extruded WPC panels with a protective layer can also provide decent waterproof performance, but not as strong as SPC in high humidity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"710\" height=\"500\" src=\"https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-2.webp\" alt=\"\" class=\"wp-image-4260\" srcset=\"https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-2.webp 710w, https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-2-300x211.webp 300w, https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-2-18x12.webp 18w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Other Key Differences Between SPC and WPC Wall Panels<\/h2>\n\n\n\n<p>While waterproof performance is the main focus, it\u2019s also important to compare other properties that influence your material choice.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th><th>SPC Wall Panel<\/th><th>WPC\u306e\u58c1\u30d1\u30cd\u30eb<\/th><\/tr><\/thead><tbody><tr><td>Composition<\/td><td>Stone + PVC<\/td><td>Wood + Plastic<\/td><\/tr><tr><td>Waterproofness<\/td><td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td><td>\u2b50\u2b50\u2b50\u2b50<\/td><\/tr><tr><td>Hardness<\/td><td>\u9ad8\u3044<\/td><td>Medium<\/td><\/tr><tr><td>Flexibility<\/td><td>\u4f4e\u3044<\/td><td>\u9ad8\u3044<\/td><\/tr><tr><td>\u5bc6\u5ea6<\/td><td>2,000\u20132,200 kg\/m\u00b3<\/td><td>1,200\u20131,400 kg\/m\u00b3<\/td><\/tr><tr><td>\u8010\u706b\u6027<\/td><td>B1 \/ B2 Grade<\/td><td>B2 Grade<\/td><\/tr><tr><td>Thermal Insulation<\/td><td>Medium<\/td><td>\u7d20\u6674\u3089\u3057\u3044<\/td><\/tr><tr><td>Sound Absorption<\/td><td>Medium<\/td><td>\u30b0\u30c3\u30c9<\/td><\/tr><tr><td>Weight<\/td><td>Heavier<\/td><td>Lighter<\/td><\/tr><tr><td>\u30b3\u30b9\u30c8<\/td><td>Slightly higher<\/td><td>More economical<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">5.1 Durability<\/h3>\n\n\n\n<p>SPC panels have better impact and scratch resistance due to their rigid stone core, making them ideal for commercial or high-traffic areas.<\/p>\n\n\n\n<p>WPC panels, though slightly softer, provide better elasticity and sound absorption\u2014making them comfortable for home interiors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.2 Installation<\/h3>\n\n\n\n<p>Both SPC and WPC wall panels are <strong>easy to install<\/strong> using interlocking systems or adhesive mounting. SPC\u2019s rigidity ensures a flat finish even on uneven walls, while WPC\u2019s flexibility allows it to adapt to slight curves.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5.3 Environmental Considerations<\/h3>\n\n\n\n<p>WPC wall panels are more <strong>\u30a8\u30b3\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc<\/strong>, as they utilize <strong>recycled wood fibers<\/strong> and reduce reliance on virgin plastics. SPC, while still environmentally safe, is primarily inorganic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cost and Market Considerations<\/h2>\n\n\n\n<p>From a B2B procurement perspective, cost-performance ratio is crucial.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Type<\/th><th>Average FOB Price (per m\u00b2, 2025)<\/th><th>Target Market<\/th><\/tr><\/thead><tbody><tr><td>SPC Wall Panel<\/td><td>USD 8\u201314<\/td><td>High-end interiors, hotels, humid regions<\/td><\/tr><tr><td>WPC\u306e\u58c1\u30d1\u30cd\u30eb<\/td><td>USD 6\u201310<\/td><td>Residential projects, offices, dry climates<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Although SPC panels are slightly more expensive, their <strong>maintenance-free waterproof properties<\/strong> make them more cost-effective in the long term.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6.1 Market Demand Trend<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPC demand growth (2021\u20132025):<\/strong> \u2191 35% annually (especially in North America and Southeast Asia)<\/li>\n\n\n\n<li><strong>WPC demand growth (2021\u20132025):<\/strong> \u2191 22% annually (popular in Europe and Middle East)<\/li>\n<\/ul>\n\n\n\n<p>The trend indicates that <strong>SPC panels are gaining market share<\/strong>, especially for <strong>projects with strict waterproof or fireproof standards<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"710\" height=\"500\" src=\"https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-3.webp\" alt=\"\" class=\"wp-image-4261\" srcset=\"https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-3.webp 710w, https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-3-300x211.webp 300w, https:\/\/aesthedgewallpanel.com\/wp-content\/uploads\/2025\/11\/SPC-WALL-3-18x12.webp 18w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Expert Recommendation from a Manufacturer\u2019s Perspective<\/h2>\n\n\n\n<p>As a professional <strong>SPC and WPC wall panel manufacturer and exporter from China<\/strong>, our factory has years of production experience in both product categories. Based on testing data and customer feedback, here are our recommendations:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Choose SPC Wall Panels if:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The installation area has <strong>high humidity or frequent water contact<\/strong>.<\/li>\n\n\n\n<li>The project requires <strong>zero maintenance<\/strong> \u305d\u3057\u3066 <strong>maximum durability<\/strong>.<\/li>\n\n\n\n<li>You are supplying to <strong>hotels, bathrooms, or coastal properties<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Choose WPC Wall Panels if:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The environment is <strong>dry or moderately humid<\/strong>.<\/li>\n\n\n\n<li>The customer values <strong>wood-like aesthetics<\/strong> \u305d\u3057\u3066 <strong>natural warmth<\/strong>.<\/li>\n\n\n\n<li>You are supplying for <strong>residential, office, or decorative interiors<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><strong>In summary:<\/strong><br>\u2705 <strong>SPC wall panels are more waterproof<\/strong> than WPC wall panels, thanks to their non-porous, high-density structure.<br>However, both materials serve distinct market needs, and understanding the application environment is key to choosing the right one.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>To answer the main question\u2014<br>\ud83d\udc49 <strong>Is SPC wall panel more waterproof than WPC wall panel?<\/strong><br>The clear answer is <strong>YES<\/strong>.<\/p>\n\n\n\n<p><strong>SPC\u58c1\u30d1\u30cd\u30eb<\/strong> outperform <strong>WPC \u306e\u58c1\u30d1\u30cd\u30eb<\/strong> in water resistance, dimensional stability, and mold prevention due to their <strong>stone-based rigid core<\/strong>. This makes SPC the preferred choice for <strong>wet environments<\/strong> like bathrooms, kitchens, and basements.<\/p>\n\n\n\n<p>However, <strong>WPC \u306e\u58c1\u30d1\u30cd\u30eb<\/strong> remain an excellent option for <strong>dry interiors<\/strong>, offering superior aesthetics, comfort, and eco-friendliness.<\/p>\n\n\n\n<p>As a professional <strong><a href=\"https:\/\/aesthedgewallpanel.com\/ja\/contact\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">Chinese manufacturer and exporter<\/mark><\/a><\/strong>, we provide <strong>both SPC and WPC wall panels<\/strong> in various designs, sizes, and surface finishes. Whether you\u2019re a <strong>distributor, contractor, or wholesaler<\/strong>, we can customize products based on your market requirements to help your business grow.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the modern interior decoration market, both SPC wall panels and WPC wall panels have become increasingly popular choices due to their excellent durability, elegant appearance, and ease of installation. However, one of the most frequently asked questions from customers\u2014especially in humid regions or countries with tropical climates\u2014is: \ud83d\udc49 Is SPC wall panel more waterproof than WPC wall panel? In this article, we will provide a detailed comparison between SPC and WPC wall panels from the perspective of composition, water resistance, stability, and practical applications. As a professional SPC and WPC wall panel manufacturer and exporter in China, we will also share insights from production experience to help B2B clients [&hellip;]<\/p>","protected":false},"author":2,"featured_media":4262,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[94],"tags":[211,144],"class_list":["post-4257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn-the-basics","tag-spc-wall-panel","tag-wpc-wall-panel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Is SPC Wall Panel More Waterproof than WPC Wall Panel? - AesthedgeWallPanel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aesthedgewallpanel.com\/ja\/is-spc-wall-panel-more-waterproof-than-wpc-wall-panel\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is SPC Wall Panel More Waterproof than WPC Wall Panel? - AesthedgeWallPanel\" \/>\n<meta property=\"og:description\" content=\"In the modern interior decoration market, both SPC wall panels and WPC wall panels have become increasingly popular choices due to their excellent durability, elegant appearance, and ease of installation. However, one of the most frequently asked questions from customers\u2014especially in humid regions or countries with tropical climates\u2014is: \ud83d\udc49 Is SPC wall panel more waterproof than WPC wall panel? In this article, we will provide a detailed comparison between SPC and WPC wall panels from the perspective of composition, water resistance, stability, and practical applications. 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