{"id":6085,"date":"2016-12-12T07:48:50","date_gmt":"2016-12-12T12:48:50","guid":{"rendered":"http:\/\/homeadditionplus.com\/dev\/?page_id=6085"},"modified":"2018-07-22T05:48:51","modified_gmt":"2018-07-22T10:48:51","slug":"fiberglass-insulation-r-value-thickness-comparison","status":"publish","type":"page","link":"https:\/\/homeadditionplus.com\/dev\/home-insulation\/fiberglass-insulation-r-value-thickness-comparison\/","title":{"rendered":"Fiberglass Insulation R-value and Thickness Comparisons"},"content":{"rendered":"<h4><span style=\"color: #008000;\"><strong>R-11 to R-49 Insulation Thickness Depths and determining the Right Fiberglass Insulation R-values for the Different Areas of your Home<\/strong><\/span><\/h4>\n<p>By Mark J. Donovan<br \/>\n<script type=\"text\/javascript\"><!-- google_ad_client = \"pub-3988490936633155\"; \/* Homepage_Home_Improvement_468x15_ATF, created 8\/13\/10 *\/ google_ad_slot = \"6539705898\"; google_ad_width = 468; google_ad_height = 15; \/\/-->\n<\/script><br \/>\n<script type=\"text\/javascript\" src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/show_ads.js\">\n<\/script><\/p>\n<div class=\"KonaBody\">\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\" width=\"50%\">\n<p align=\"center\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- New_300x250_051317 --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: inline-block; width: 300px; height: 250px;\" data-ad-client=\"ca-pub-3988490936633155\" data-ad-slot=\"4202793463\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<\/td>\n<td style=\"text-align: left; width: 49%;\" width=\"49%\"><span style=\"font-size: 14pt;\">So what does R-49 insulation thickness depth mean? Well before I answer that question it is first important to understand how insulation is sold. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Batt and rolled fiberglass insulation are two of the most common types of insulation found in residential construction. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Batt and rolled fiberglass insulation are available in numerous R-values, lengths, widths, and thicknesses, and is used in walls, floors, and attics.\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">R-value is a measure of how well a particular type of insulation impedes heat transfer.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">The R-value of batt and rolled fiberglass insulation varies a little by manufacturer. Typically it is in the range of 2.9 to 3.8 per inch.<\/span><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\" width=\"50%\">\n<p align=\"center\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- New_300x250_051317 --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: inline-block; width: 300px; height: 250px;\" data-ad-client=\"ca-pub-3988490936633155\" data-ad-slot=\"4202793463\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<\/td>\n<td style=\"text-align: left; width: 49%;\" width=\"49%\">\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Summarized below is a table that will enable you to quickly compare batt and rolled fiberglass insulation R-values with corresponding thicknesses.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><strong>How Much Batt or Rolled Fiberglass Insulation is Required?<\/strong><\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Well it depends upon where you live. However summarized below are some general guidelines. You can also check out this <span style=\"text-decoration: underline;\"><a href=\"http:\/\/homeadditionplus.com\/dev\/home-insulation\/insulation-r-values-for-homes\/\"><strong><span style=\"color: #0000ff; text-decoration: underline;\">map of the United States<\/span><\/strong><\/a><\/span> to see what the right Insulation R-Values for your home should be for your particular region of the country.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><strong>Walls<\/strong> \u2013 Wall insulation is dependent upon the type of framing used in the walls. If the walls were constructed out of 2x4s, you can use R-11 to R-15 rolled fiberglass insulation. If the walls were constructed out of 2x6s, you can use R-19 to R-21. See this article to learn <span style=\"text-decoration: underline;\"><a href=\"http:\/\/homeadditionplus.com\/dev\/home-insulation\/how-to-cut-fiberglass-insulation\/\"><strong><span style=\"color: #0000ff; text-decoration: underline;\">how to easily cut fiberglass insulation rolls and batts<\/span><\/strong><\/a><\/span>.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-6021 aligncenter\" src=\"http:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/12\/Fiberglass_Insulation_Installation-300x225.jpg\" alt=\"How to Install Fiberglass Insulation\" width=\"300\" height=\"225\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/12\/Fiberglass_Insulation_Installation-300x225.jpg 300w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/12\/Fiberglass_Insulation_Installation.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: center;\"><em><span style=\"font-size: 14pt;\">Here is an example of rolled insulation installed in an attic. R-49 insulation thickness is commonly used in attics in northern climates. R-30 insulation thickness, or even R-19 thickness is often used in warmer climates.\u00a0<\/span><\/em><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Note that R30 batt insulation thickness is just 9-1\/2 inches thick where as R-49 batt insulation thickness is 15-1\/2 inches. This is a significant difference and thus why R-49 batt insulation is used typically in colder climates. And for those asking\u00a0how thick is r38 insulation, it is 12 inches thick.<\/span><\/p>\n<p style=\"text-align: left;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- 468x60_Top_Ad --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: inline-block; width: 468px; height: 60px;\" data-ad-client=\"ca-pub-3988490936633155\" data-ad-slot=\"2227826263\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\" width=\"40%\"><span style=\"font-size: 14pt;\"><strong>Attics<\/strong> \u2013 In colder climates the U.S. Department of Energy (DOE) recommends using a minimum of R-49 insulation thickness. You can achieve an R-49 R-value thickness by stacking R-19 on top of R-30.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">In warmer climates you can get away with R-38 insulation in the attic.<strong>Floors<\/strong> \u2013 The U.S. DOE recommends using R-25 insulation in colder climates and R-11 in warmer ones.<\/span><\/td>\n<td style=\"text-align: center;\" width=\"60%\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6086 aligncenter\" src=\"http:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/12\/Fiberglass_Insulation_chart-300x129.jpg\" alt=\"Fiberglass Insulation R-value and Thickness Comparisons\" width=\"565\" height=\"243\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/12\/Fiberglass_Insulation_chart-300x129.jpg 300w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/12\/Fiberglass_Insulation_chart.jpg 517w\" sizes=\"auto, (max-width: 565px) 100vw, 565px\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Check out these other <strong><span style=\"text-decoration: underline;\"><a href=\"http:\/\/homeadditionplus.com\/dev\/attic-insulation-fan-stair-main\/attic-insulation-tips\/\"><span style=\"color: #0000ff; text-decoration: underline;\">attic insulation tips<\/span><\/a><\/span><\/strong> and make sure you also <strong><span style=\"text-decoration: underline;\"><a href=\"http:\/\/homeadditionplus.com\/dev\/attic-insulation-fan-stair-main\/attic-door-insulation\/\"><span style=\"color: #0000ff; text-decoration: underline;\">insulate your attic door<\/span><\/a><\/span><\/strong> properly.<\/span><\/p>\n<\/div>\n<hr \/>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><b><span style=\"color: #008000;\">For help on building a home addition<\/span><\/b>, see HomeAdditionPlus.com&#8217;s <strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" title=\"Home Addition Bid Sheets\" href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/\">Home Addition Bid Sheets<\/a><\/span><\/strong>. Our Home Addition Bid Sheets provide you with the knowledge and information on how to plan a home addition project, and what to look for when hiring contractors. They also include detailed cost breakdown tables and spreadsheets for estimating your own new home addition building costs.<\/span><\/p>\n<p><a href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-18702 aligncenter\" src=\"http:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2018\/06\/Home_Addition_Bid_Sheet_Ad-300x223.jpg\" alt=\"Home Addition Bid Sheets\" width=\"300\" height=\"223\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2018\/06\/Home_Addition_Bid_Sheet_Ad-300x223.jpg 300w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2018\/06\/Home_Addition_Bid_Sheet_Ad.jpg 434w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><span style=\"color: #008000; font-size: 14pt;\"><b>Related\u00a0Information<\/b><\/span><\/h3>\n<ul>\n<li style=\"text-align: left;\"><span style=\"font-size: 14pt; color: #0000ff;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home-insulation\/installing-rolled-insulation\/\">How to Install Rolled Fiberglass Insulation<\/a><\/b><\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"font-size: 14pt; color: #0000ff;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home-insulation\/how-to-install-fiberglass-insulation\/\">How to Install Fiberglass Insulation<\/a><\/b><\/span><\/li>\n<li style=\"text-align: left;\"><span style=\"color: #0000ff; font-size: 14pt;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home-insulation\/how-to-cut-fiberglass-insulation\/\">How to Cut Fiberglass Insulation Rolls and Batts<\/a><\/b><\/span><\/li>\n<\/ul>\n<hr \/>\n<h3 style=\"text-align: left;\"><span style=\"color: #008000; font-size: 14pt;\">Free Home Addition Price Quotes with No Obligation!<\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Fill out our 3-5 minute quick and easy form, and receive a free price quote\u00a0on a house addition from one of our prescreened and licensed home addition contractors. This process is free and there is no obligation to continue once you receive your house addition price estimate.<\/span><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.inforequests.com\/pub5x\/\/?allowRefNet=N&amp;layout=H&amp;PublisherSubID=Room_Addition_Bottom&amp;url=http:\/\/g.gaesy.com\/cgi\/r?;n=203;c=622397;s=4383;x=7936;f=201006161516140;u=j;z=TIMESTAMP;&amp;servicescheckbox=ROOM_ADDITIONS&amp;submit=submit\" width=\"660\" height=\"560\" frameborder=\"0\" scrolling=\"no\" data-mce-fragment=\"1\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R-11 to R-49 Insulation Thickness Depths and determining the Right Fiberglass Insulation R-values for the Different Areas of your Home By Mark J. Donovan So what does R-49 insulation thickness depth mean? Well before I answer that question it is first important to understand how insulation is sold. Batt and rolled fiberglass insulation are two of the most common types of insulation found in residential construction. Batt and rolled fiberglass insulation are available in numerous R-values, lengths, widths, and thicknesses, and is used in walls, floors, and attics.\u00a0 R-value is&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1978,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6085","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fiberglass Insulation R-value and Thickness Comparisons - HomeAdditionPlus.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/homeadditionplus.com\/dev\/home-insulation\/fiberglass-insulation-r-value-thickness-comparison\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiberglass Insulation R-value and Thickness Comparisons - HomeAdditionPlus.com\" \/>\n<meta property=\"og:description\" content=\"R-11 to R-49 Insulation Thickness Depths and determining the Right Fiberglass Insulation R-values for the Different Areas of your Home By Mark J. Donovan So what does R-49 insulation thickness depth mean? Well before I answer that question it is first important to understand how insulation is sold. Batt and rolled fiberglass insulation are two of the most common types of insulation found in residential construction. 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