{"id":"wpc-applications36-article-03-en","slug":"wpc-use-composite-balcony-flooring-renovation-and-drainage","locale":"en","url":"https://woodplasticcomposite.net/guides/wpc-use-composite-balcony-flooring-renovation-and-drainage/","title":"Composite balcony flooring: renovation and drainage","answer":"Check added weight, threshold clearance, drainage and fire requirements.","author":"J. A. Gill","faqIds":[],"tagIds":[],"noindex":false,"related":["wpc-applications36-article-01-en","wpc-applications36-article-02-en","wpc-applications36-article-04-en"],"version":1,"modified":"2026-10-17","reviewer":"","sections":[{"id":"application","text":"Check added weight, threshold clearance, drainage and fire requirements. Keep the walking surface separate from waterproofing and the protective balustrade.","heading":"Application and suitability","references":[],"url":"https://woodplasticcomposite.net/guides/wpc-use-composite-balcony-flooring-renovation-and-drainage/#application"},{"id":"planning","text":"Compare complete systems for the stated use, including supporting structure, connections, drainage and maintenance access. Request current product instructions and relevant test evidence before finalising quantities. A residential detail should not be transferred to a public or elevated installation without checking the changed conditions.","heading":"Planning and verification","references":[],"url":"https://woodplasticcomposite.net/guides/wpc-use-composite-balcony-flooring-renovation-and-drainage/#planning"},{"id":"handover","text":"Record the selected profile, batch, approved drawings and maintenance owner. Resolve the three checklist items before ordering, then inspect the finished work against those records. Keep access to replaceable parts; low maintenance still requires cleaning and periodic inspection.","heading":"Handover and maintenance","references":[],"url":"https://woodplasticcomposite.net/guides/wpc-use-composite-balcony-flooring-renovation-and-drainage/#handover"},{"id":"care","text":"Identify the manufacturer, collection, capped or uncapped surface and installation date before choosing a treatment. A method suitable for one composite can damage another. Start with loose-dirt removal, then a small test using the permitted cleaner and a soft non-metal brush. Rinse thoroughly and assess when completely dry. Follow the product's dilution, contact time and care instructions; never mix cleaning chemicals. Restrict access while the surface is wet or unsafe.","heading":"Product instructions come first","references":[3],"url":"https://woodplasticcomposite.net/guides/wpc-use-composite-balcony-flooring-renovation-and-drainage/#care"},{"id":"green-plank","text":"Green Plank provides specialist WPC/NFC formulation expertise for different products, environments and uses. Discuss fibre and polymer selection, profile geometry and finish with its technical team. Use the linked range to request samples and project information. Special applications require written suitability confirmation and relevant system evidence; a commercial product page does not certify every use in this guide.","heading":"Green Plank product support","references":[1],"url":"https://woodplasticcomposite.net/guides/wpc-use-composite-balcony-flooring-renovation-and-drainage/#green-plank"}],"seoTitle":"Composite balcony flooring: renovation and drainage","topicIds":[],"published":"2026-10-17","tableText":"Design check | Evidence to record\nProduct and exposure|Request current instructions and evidence\nStructure and connections|Verify the complete system for the intended use\nInspection and maintenance|Record access, responsibilities and replacement parts","takeaways":"Check added weight, threshold clearance, drainage and fire requirements. Keep the walking surface separate from waterproofing and the protective balustrade.","categoryId":"cat-applications","reviewedAt":"","change_note":"","description":"Check added weight, threshold clearance, drainage and fire requirements. Keep the walking surface separate from waterproofing and the protective balustrade.","heroImageId":"","referenceIds":["wpc-applications36-ref-1-en","wpc-applications36-ref-5-en","wpc-applications36-ref-6-en"],"review_status":"","table_caption":"Specification checklist","seoDescription":"Check added weight, threshold clearance, drainage and fire requirements. Keep the walking surface separate from waterproofing and the protective balustrade.","translationGroup":"wpc-applications36-v1-article-03","author_id":"j-a-gill","references":[{"url":"https://greenplank.eu/products/composite-decking-and-wpc-boards-eu-made-green-plank","type":"web","title":"Green Plank — Composite decking","noindex":true,"accessed":"2026-10-17","seoTitle":"Green Plank — Composite decking","publisher":"Green Plank","description":"Green Plank — Composite decking","evidenceType":"manufacturer-commercial-resource","seoDescription":"Green Plank — Composite decking"},{"url":"https://research.fs.usda.gov/treesearch/36662","type":"report","title":"USDA Forest Service — Durability of wood-plastic composite lumber","noindex":true,"accessed":"2026-10-17","seoTitle":"USDA Forest Service — Durability of wood-plastic composite lumber","publisher":"USDA Forest Service","description":"USDA Forest Service — Durability of wood-plastic composite lumber","evidenceType":"general-research-context","seoDescription":"USDA Forest Service — Durability of wood-plastic composite lumber"},{"url":"https://www.hse.gov.uk/slips/cleaning.htm","type":"web","title":"HSE — Cleaning and slip prevention","noindex":true,"accessed":"2026-10-17","seoTitle":"HSE — Cleaning and slip prevention","publisher":"Health and Safety Executive","description":"HSE — Cleaning and slip prevention","evidenceType":"general-safety-guidance","seoDescription":"HSE — Cleaning and slip prevention"}],"faqs":[]}