{"id":"wpc-tech-2026-article-wpc-wet-slip-resistance-public-decking-en","slug":"wpc-wet-slip-resistance-public-decking","locale":"en","url":"https://woodplasticcomposite.net/guides/wpc-wet-slip-resistance-public-decking/","aiAssisted":true,"answer":"A dry friction value or a textured appearance does not establish safe wet performance. The method, surface condition and intended use must match the question.","author":"NFC & WPC Knowledge Reference","categoryId":"wpc-tech-2026-category-wpc-technical-design-series-en","change_note":"Original educational article informed by Klyosov (2007). Modern project applications are editorial synthesis. This is not a product certificate or a substitute for project-specific design.","description":"Specify walking surfaces using relevant test conditions and a plan for real-world contamination.","faqIds":["wpc-tech-2026-faq-technical-wpc-wet-slip-resistance-public-decking-en"],"heroImageId":"","modified":"2026-10-01","noindex":false,"published":"2026-10-01","referenceIds":["wpc-tech-2026-reference-technical-series-book-09-en","wpc-tech-2026-reference-technical-series-slip-en","wpc-tech-2026-reference-technical-series-green-plank-en"],"related":["wpc-tech-2026-article-wpc-mould-staining-cleaning-maintenance-en","wpc-tech-2026-article-wpc-waterfront-boardwalk-marina-design-en"],"review_status":"Technical and language review not yet recorded","reviewedAt":"","reviewer":"","sections":[{"heading":"The technical principle","id":"technical-principle","references":[1],"text":"Slip behaviour depends on the contact system: surface, footwear or test slider, water or contamination, and movement. Results from different instruments are not automatically interchangeable. Grooves alone do not establish a safety classification, and a clean new sample may not represent a maintained public walkway.","url":"https://woodplasticcomposite.net/guides/wpc-wet-slip-resistance-public-decking/#technical-principle"},{"heading":"What to specify and verify","id":"specification","references":[1,2],"text":"Request the complete slip report, including wet conditions, test direction, sample preparation and surface wear where relevant. Have a competent assessor relate the results to the project and applicable requirements. Do not turn a historic friction threshold from a 2007 book into a current universal acceptance rule.","url":"https://woodplasticcomposite.net/guides/wpc-wet-slip-resistance-public-decking/#specification"},{"heading":"Application and common mistakes","id":"application","references":[1,2],"text":"Drainage, cleaning and winter operation remain part of the design. Even a product with suitable test evidence can become hazardous when covered by ice or organic deposits. For a Green Plank proposal, ask for the relevant report for the exact surface rather than a general slip-resistant marketing statement.","url":"https://woodplasticcomposite.net/guides/wpc-wet-slip-resistance-public-decking/#application"},{"heading":"Discuss your project with Green Plank","id":"green-plank-project","references":[3],"text":"For a Green Plank specification, request samples and current technical documents for the exact profile and intended application. Use the Green Plank link in Sources to explore the range and make an enquiry. Commercial disclosure: this portal features Green Plank. General material science does not certify any particular product.","url":"https://woodplasticcomposite.net/guides/wpc-wet-slip-resistance-public-decking/#green-plank-project"}],"seoDescription":"Specify walking surfaces using relevant test conditions and a plan for real-world contamination.","seoTitle":"Wet slip resistance of WPC: ask for the right test","tableText":"Specification check | Evidence to request\nMethod | Identify instrument and procedure\nCondition | Wetness, contamination and direction\nOperation | Cleaning, drainage and winter management","table_caption":"Project specification checklist","tagIds":[],"takeaways":"Method: Identify instrument and procedure.\nCondition: Wetness, contamination and direction.\nOperation: Cleaning, drainage and winter management.","title":"Wet slip resistance of WPC: ask for the right test","topicIds":[],"translationGroup":"wpc-technical-guide-09-2026","version":1,"references":[{"accessed":"2026-10-01","description":"","noindex":false,"publisher":"John Wiley & Sons","seoDescription":"","seoTitle":"Klyosov, A. A. (2007). Wood–Plastic Composites. Chapter 11; pp. 369–382.","title":"Klyosov, A. A. (2007). Wood–Plastic Composites. Chapter 11; pp. 369–382.","type":"Book","url":"https://doi.org/10.1002/9780470165935"},{"accessed":"2026-10-01","description":"","noindex":false,"publisher":"Health and Safety Executive","seoDescription":"","seoTitle":"HSE — Assessing the slip resistance of flooring","title":"HSE — Assessing the slip resistance of flooring","type":"Web reference","url":"https://www.hse.gov.uk/pubns/geis2.htm"},{"accessed":"2026-10-01","description":"","noindex":false,"publisher":"Green Plank","seoDescription":"","seoTitle":"Green Plank — product information and technical enquiries","title":"Green Plank — product information and technical enquiries","type":"Web reference","url":"https://greenplank.eu/"}],"faqs":[{"question":"Do deeper grooves guarantee better wet grip?","answer":"No. Relevant testing of the actual surface is needed; appearance alone is insufficient."}]}