{"id":"wpc-applications36-article-34-en","slug":"wpc-use-composite-interior-panels-walls-and-ceilings","locale":"en","url":"https://woodplasticcomposite.net/guides/wpc-use-composite-interior-panels-walls-and-ceilings/","title":"Composite interior panels: walls and ceilings","answer":"Select products intended for indoor use.","author":"J. A. Gill","faqIds":[],"tagIds":[],"noindex":false,"related":["wpc-applications36-article-15-en","wpc-applications36-article-16-en","wpc-applications36-article-28-en"],"version":1,"modified":"2026-10-17","reviewer":"","sections":[{"id":"application","text":"Select products intended for indoor use. Exterior WPC does not automatically meet indoor fire or emissions requirements; verify ceiling fixing and heat-source clearances.","heading":"Application and suitability","references":[],"url":"https://woodplasticcomposite.net/guides/wpc-use-composite-interior-panels-walls-and-ceilings/#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-interior-panels-walls-and-ceilings/#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-interior-panels-walls-and-ceilings/#handover"},{"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-interior-panels-walls-and-ceilings/#green-plank"}],"seoTitle":"Composite interior panels: walls and ceilings","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":"Select products intended for indoor use. Exterior WPC does not automatically meet indoor fire or emissions requirements; verify ceiling fixing and heat-source clearances.","categoryId":"cat-applications","reviewedAt":"","change_note":"","description":"Select products intended for indoor use. Exterior WPC does not automatically meet indoor fire or emissions requirements; verify ceiling fixing and heat-source clearances.","heroImageId":"","referenceIds":["wpc-applications36-ref-4-en","wpc-applications36-ref-5-en","wpc-applications36-ref-6-en"],"review_status":"","table_caption":"Specification checklist","seoDescription":"Select products intended for indoor use. Exterior WPC does not automatically meet indoor fire or emissions requirements; verify ceiling fixing and heat-source clearances.","translationGroup":"wpc-applications36-v1-article-34","author_id":"j-a-gill","references":[{"url":"https://greenplank.eu/products/wpc-composite-profiles","type":"web","title":"Green Plank — Specialist WPC profiles","noindex":true,"accessed":"2026-10-17","seoTitle":"Green Plank — Specialist WPC profiles","publisher":"Green Plank","description":"Green Plank — Specialist WPC profiles","evidenceType":"manufacturer-commercial-resource","seoDescription":"Green Plank — Specialist WPC profiles"},{"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":[]}