{"id":14647,"date":"2025-10-01T10:04:45","date_gmt":"2025-10-01T02:04:45","guid":{"rendered":"https:\/\/hotianwindows.com\/?p=14647"},"modified":"2025-10-09T16:04:59","modified_gmt":"2025-10-09T08:04:59","slug":"bifold-door-size","status":"publish","type":"post","link":"https:\/\/hotianwindows.com\/ja\/bifold-door-size\/","title":{"rendered":"\u6298\u308a\u305f\u305f\u307f\u30c9\u30a2\u306e\u30b5\u30a4\u30ba\uff1a\u5b8c\u5168\u306a\u30b5\u30a4\u30ba\u8868\u3068\u6e2c\u5b9a\u65b9\u6cd5\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Choosing the right bifold door size can feel daunting\u2014a fraction of an inch can mean the difference between a smooth\u2011gliding door and a stuck, frustrating one.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide demystifies sizing with a complete chart, a foolproof 3\u2011step measuring method, and pro tips so you get the perfect fit the first time.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Sizes Do Bifold Doors Come In? The Ultimate Sizing Chart<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cNominal size\u201d is the call\u2011out (e.g., 24&#8243; \u00d7 80&#8243;), but the actual panels and the opening you need are different. Use the chart below; always verify with your manufacturer\u2019s spec.<\/p>\n\n\n\n<div class=\"post-summary-card\" data-kicker=\"Notes:\">\n  <p>\u201cActual Door Size\u201d is for standard interior, top\u2011track closet bifolds.<\/p>\n  <p>\u201cFinished Opening\u201d is drywall\u2011to\u2011drywall (or jamb\u2011to\u2011jamb) after finishes.<\/p>\n  <p>\u201cRough Opening\u201d is stud\u2011to\u2011stud, before drywall.<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-451bf96a71fafa6ede97d1c335907fdc\">Typical formula of bifold doors:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">For Single Bifold Doors<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rough Opening Width:<\/strong><br>Door slab width + 9\/16 inch<a href=\"https:\/\/doordesignlab.com\/blog\/bifold-door-sizes-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><br>(Some sources suggest up to 2 inches, but 9\/16 inch is common for most residential interior installations.)<\/li>\n\n\n\n<li><strong>Rough Opening Height:<\/strong><br>Door slab height + 2 7\/8 inches<a href=\"https:\/\/doordesignlab.com\/blog\/bifold-door-sizes-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">For Double Bifold Doors<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rough Opening Width:<\/strong><br>(2 \u00d7 door slab width) + 15\/16 inch<a href=\"https:\/\/doordesignlab.com\/blog\/bifold-door-sizes-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n\n\n\n<li><strong>Rough Opening Height:<\/strong><br>Door slab height + 2 7\/8 inches<a href=\"https:\/\/doordesignlab.com\/blog\/bifold-door-sizes-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Standard Height: 80&#8243; Nominal<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Nominal Door Size<\/th><th>Panels<\/th><th>Actual Door Size (Approx.)<\/th><th>Required Finished Opening<\/th><th>Required Rough Opening<\/th><\/tr><\/thead><tbody><tr><td>24&#8243; \u00d7 80&#8243;<\/td><td>2<\/td><td>23\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>24&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>26&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>28&#8243; \u00d7 80&#8243;<\/td><td>2<\/td><td>27\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>28&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>30&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>30&#8243; \u00d7 80&#8243;<\/td><td>2<\/td><td>29\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>30&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>32&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>32&#8243; \u00d7 80&#8243;<\/td><td>2<\/td><td>31\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>32&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>34&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>36&#8243; \u00d7 80&#8243;<\/td><td>2<\/td><td>35\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>36&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>38&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>48&#8243; \u00d7 80&#8243;<\/td><td>4<\/td><td>47\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>48&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>50&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>60&#8243; \u00d7 80&#8243;<\/td><td>4<\/td><td>59\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>60&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>62&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><tr><td>72&#8243; \u00d7 80&#8243;<\/td><td>4<\/td><td>71\u20111\/2&#8243; \u00d7 79&#8243;<\/td><td>72&#8243; \u00d7 80\u20113\/4&#8243;<\/td><td>74&#8243; \u00d7 82\u20111\/2&#8243;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Tall Height: 96&#8243; Nominal<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Nominal Door Size<\/th><th>Panels<\/th><th>Actual Door Size (Approx.)<\/th><th>Required Finished Opening<\/th><th>Required Rough Opening<\/th><\/tr><\/thead><tbody><tr><td>24&#8243; \u00d7 96&#8243;<\/td><td>2<\/td><td>23\u20111\/2&#8243; \u00d7 95&#8243;<\/td><td>24&#8243; \u00d7 96\u20113\/4&#8243;<\/td><td>26&#8243; \u00d7 98\u20111\/2&#8243;<\/td><\/tr><tr><td>30&#8243; \u00d7 96&#8243;<\/td><td>2<\/td><td>29\u20111\/2&#8243; \u00d7 95&#8243;<\/td><td>30&#8243; \u00d7 96\u20113\/4&#8243;<\/td><td>32&#8243; \u00d7 98\u20111\/2&#8243;<\/td><\/tr><tr><td>36&#8243; \u00d7 96&#8243;<\/td><td>2<\/td><td>35\u20111\/2&#8243; \u00d7 95&#8243;<\/td><td>36&#8243; \u00d7 96\u20113\/4&#8243;<\/td><td>38&#8243; \u00d7 98\u20111\/2&#8243;<\/td><\/tr><tr><td>60&#8243; \u00d7 96&#8243;<\/td><td>4<\/td><td>59\u20111\/2&#8243; \u00d7 95&#8243;<\/td><td>60&#8243; \u00d7 96\u20113\/4&#8243;<\/td><td>62&#8243; \u00d7 98\u20111\/2&#8243;<\/td><\/tr><tr><td>72&#8243; \u00d7 96&#8243;<\/td><td>4<\/td><td>71\u20111\/2&#8243; \u00d7 95&#8243;<\/td><td>72&#8243; \u00d7 96\u20113\/4&#8243;<\/td><td>74&#8243; \u00d7 98\u20111\/2&#8243;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Caveats:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Manufacturers can deviate by \u00b11\/8&#8243; to \u00b11\/4&#8243;. Always consult the product data sheet.<\/li>\n\n\n\n<li>Older homes may have 78\u20113\/4&#8243; to 79&#8243; finished heights; choose products matched to your smallest measured height.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/bifold-sizing-chart.webp\" alt=\"Comprehensive bifold door sizing chart showing nominal, actual, finished, and rough opening dimensions for common widths\/heights\" class=\"wp-image-15353\" title=\"\" srcset=\"https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/bifold-sizing-chart.webp 1024w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/bifold-sizing-chart-300x300.webp 300w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/bifold-sizing-chart-150x150.webp 150w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/bifold-sizing-chart-768x768.webp 768w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/bifold-sizing-chart-12x12.webp 12w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Measure for a Bifold Door? A Foolproof 3\u2011Step Guide<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Measure width and height in three spots each and use the smallest number. Then confirm depth for hardware and folded panels.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Measure the Width (Top, Middle, Bottom)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Record all three; use the smallest width.<\/li>\n\n\n\n<li>If variation exceeds 1\/4&#8243;, plan to shim the jamb or tune drywall edges.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Measure the Height (Left, Center, Right)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Please record all three measurements and use the smallest height.<\/li>\n\n\n\n<li>Verify the finished flooring thickness if not yet installed.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Check the Depth<\/strong>\n<ul class=\"wp-block-list\">\n<li>Standard interior bifolds are typically 1\u20113\/8&#8243; thick panels and allow hardware and swing\/stack clearance.<\/li>\n\n\n\n<li>A minimum clear jamb depth of approximately 2&#8243;\u20132\u20111\/2&#8243; is generally recommended for tracks and pivots; please ensure your hardware kit is verified.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/how-to-measure-bifold-1.webp\" alt=\"Measurement diagram showing width\/height in three spots each for a closet opening\" class=\"wp-image-15356\" title=\"\" srcset=\"https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/how-to-measure-bifold-1.webp 1024w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/how-to-measure-bifold-1-300x300.webp 300w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/how-to-measure-bifold-1-150x150.webp 150w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/how-to-measure-bifold-1-768x768.webp 768w, https:\/\/hotianwindows.com\/wp-content\/uploads\/2025\/10\/how-to-measure-bifold-1-12x12.webp 12w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How Do You Fix Common Measuring Problems?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use the smallest measurement, then correct the opening with shims, jambs, and trim.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Opening not square (diagonals don\u2019t match)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Please adjust the hinge\/pivot side jamb to ensure it is plumb, and then set the track to be Bifolds tolerate minor out\u2011of\u2011square if the head is level and pivots are aligned.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Different widths or heights in spots<\/strong>\n<ul class=\"wp-block-list\">\n<li>Order to the smallest dimension. Use jamb shims and finish trim to disguise gaps. Avoid forcing a too\u2011large door\u2014it will bind.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Non\u2011standard size<\/strong>\n<ul class=\"wp-block-list\">\n<li>Easiest: reframe to a standard finished opening from the chart.<\/li>\n\n\n\n<li>Alternatively, order a custom size (higher cost, longer lead time). Some wood bifolds can be trimmed slightly\u2014check the manufacturer\u2019s \u201ctrim allowance.\u201d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Flooring not installed yet<\/strong>\n<ul class=\"wp-block-list\">\n<li>Deduct final flooring thickness from the measured height or delay measuring until floors are in.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<div class=\"suggested-reading-box\">\n  <div class=\"box-title\">Suggested reading<\/div>\n  <ul>\n    <li>Sizes and tools: <a href=\"\/standard-folding-door-sizes\">Standard Folding Door Sizes (with Chart &#038; Converter)<\/a><\/li>\n    <li>Comparisons: <a href=\"\/sliding-vs-folding-doors\">Sliding vs Folding Doors<\/a><\/li>\n    <li>Custom: <a href=\"https:\/\/hotianwindows.com\/folding-doors\/\">Custom Bifold Door from Hotian<\/a><\/li>\n    <li>Materials: <a href=\"\/steel-door-guide\">Steel Door Guide<\/a><\/li>\n    <li>Materials: <a href=\"\/french-door-materials-hardware\">French Door Materials (Wood, Fiberglass, Steel) &#038; Hardware Guide<\/a><\/li>\n    <li>Garage reference: <a href=\"#\">Aluminum vs. Steel Garage Doors<\/a><\/li>\n  <\/ul>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Interior vs Exterior Bifold Doors: What\u2019s the Difference?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This guide covers lightweight interior closet\/pantry bifolds with a simple top track. Exterior bifolds are a different category.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Interior Bifolds<\/strong>\n<ul class=\"wp-block-list\">\n<li>Lightweight; 1\u20113\/8&#8243; thick panels common; top\u2011track hardware; straightforward DIY.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Exterior Bifolds (Patio Systems)<\/strong>\n<ul class=\"wp-block-list\">\n<li>Heavy, weather\u2011sealed units with sills, multi\u2011point locks, and complex frames. Almost always custom and professionally installed. Consult the manufacturer for exact rough opening and load support.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion: Measure Three Times, Buy Once<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The key to a smooth\u2011gliding bifold is precise measuring and using the smallest width\/height you record. With your finished and rough openings dialed, you\u2019re ready to choose a door that will operate flawlessly for years.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>You\u2019ve got your size!<\/strong>&nbsp;Shop our complete selection of bifold doors to find the perfect style for your home.<\/li>\n\n\n\n<li>Questions? Share your opening dimensions in the comments\u2014happy to sanity-check them.<\/li>\n<\/ul>\n\n\n\n<div class=\"local-faq-block\">\n  <h2 class=\"local-faq-title\">Frequently Asked Questions (FAQs)<\/h2>\n\n  <div class=\"local-faq-item\">\n    <h3 class=\"local-faq-q\">Can I cut a bifold to fit?<\/h3>\n    <div class=\"local-faq-a\">\n      Sometimes\u2014wood panels often allow <strong>1\/2\u2033\u20131\u2033<\/strong> total trimming; molded\/laminate panels may allow less or none. Check product specs.\n    <\/div>\n  <\/div>\n\n  <div class=\"local-faq-item\">\n    <h3 class=\"local-faq-q\">What clearance should I leave under the door?<\/h3>\n    <div class=\"local-faq-a\">\n      Typically <strong>1\/2\u2033\u20133\/4\u2033<\/strong> above finished floor for swing and airflow; verify with your track kit.\n    <\/div>\n  <\/div>\n\n  <div class=\"local-faq-item\">\n    <h3 class=\"local-faq-q\">Do I need a bottom track?<\/h3>\n    <div class=\"local-faq-a\">\n      Many modern kits use a <strong>top track with a bottom pivot only<\/strong>. Some heavier units include a bottom guide; follow the kit instructions.\n    <\/div>\n  <\/div>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\",\n  \"@type\":\"FAQPage\",\n  \"mainEntity\":[\n    {\n      \"@type\":\"Question\",\n      \"name\":\"Can I cut a bifold to fit?\",\n      \"acceptedAnswer\":{\n        \"@type\":\"Answer\",\n        \"text\":\"Sometimes\u2014wood panels often allow 1\/2\u2033\u20131\u2033 total trimming; molded\/laminate panels may allow less or none. 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This guide demystifies sizing with a complete chart, a foolproof 3\u2011step measuring method, and pro tips so you get the perfect fit the first time. What Sizes Do Bifold Doors Come In? The Ultimate Sizing Chart \u201cNominal size\u201d is the call\u2011out (e.g., 24&#8243; \u00d7 80&#8243;), but the actual panels and the opening you need are different. Use the chart below; always verify with your manufacturer\u2019s spec. \u201cActual Door Size\u201d is for standard interior, top\u2011track closet bifolds. \u201cFinished Opening\u201d is drywall\u2011to\u2011drywall (or jamb\u2011to\u2011jamb) after finishes. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15382,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-14647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-doors-windows"],"acf":[],"_links":{"self":[{"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/posts\/14647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/comments?post=14647"}],"version-history":[{"count":0,"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/posts\/14647\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/media\/15382"}],"wp:attachment":[{"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/media?parent=14647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/categories?post=14647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hotianwindows.com\/ja\/wp-json\/wp\/v2\/tags?post=14647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}