{"id":7932,"date":"2026-01-24T20:14:42","date_gmt":"2026-01-24T12:14:42","guid":{"rendered":"https:\/\/hotianwindows.com\/?p=7932"},"modified":"2026-10-26T16:35:28","modified_gmt":"2026-10-26T08:35:28","slug":"standard-door-sizes","status":"publish","type":"post","link":"https:\/\/hotianwindows.com\/fr\/standard-door-sizes\/","title":{"rendered":"Le guide complet des tailles de portes standard"},"content":{"rendered":"\n

By the Hotian Technical Team | Updated October 2026<\/strong><\/em><\/p>\n\n\n\n

Getting door dimensions right is critical for framing accuracy, code compliance, and functionality. Whether you are framing a rough opening for a new build or retrofitting a replacement door, this guide provides the precise industry standards used by manufacturers and contractors.<\/p>\n\n\n\n

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Key Takeaways: Quick Size Reference<\/h2>\n

In a rush? Here are the exact industry-standard dimensions you need for your project:<\/p>\n \n

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  • \n Standard Front & Exterior Door Sizes:<\/strong>\n
      \n
    • 36″ x 80″<\/strong> (Standard home)<\/span><\/li>\n
    • 36″ x 84″<\/strong> (Modern standard for 9ft ceilings)<\/span><\/li>\n <\/ul>\n <\/li>\n \n
    • \n Standard Interior Door Sizes:<\/strong>\n
        \n
      • 32″ x 80″<\/strong> (Bedrooms\/Primary standard)<\/span><\/li>\n
      • 30″ x 80″<\/strong> (Bathrooms\/Compact spaces)<\/span><\/li>\n <\/ul>\n <\/li>\n \n
      • \n Door Thickness:<\/strong> 1 \u00be”<\/strong> for Exterior (insulation\/security)<\/span> vs. 1 \u215c”<\/strong> for Interior.\n <\/li>\n \n
      • \n ADA Accessibility:<\/strong> Always choose a 36″ width<\/strong> (yields the required 32″ clear passage for wheelchairs)<\/span>.\n <\/li>\n \n
      • \n
        \n \ud83d\udca1 The Rough Opening Math:<\/span> \n Actual Door Width + 2″<\/strong> | Actual Door Height + 2.5″<\/strong>\n <\/div>\n <\/li>\n <\/ul>\n<\/div>\n\n\n\n

        Standard Interior Door Sizes<\/h2>\n\n\n\n

        Let’s step inside! Interior doors separate rooms, provide privacy, and contribute to your home’s style. What are the typical sizes?<\/p>\n\n\n\n