{"id":2011,"date":"2019-07-29T12:47:09","date_gmt":"2019-07-29T16:47:09","guid":{"rendered":"https:\/\/www.bottompaintstore.com\/blog\/?p=2011"},"modified":"2026-03-03T12:09:28","modified_gmt":"2026-03-03T17:09:28","slug":"which-fiberglass-cloth-to-choose","status":"publish","type":"post","link":"https:\/\/www.bottompaintstore.com\/blog\/fiberglass-repair\/which-fiberglass-cloth-to-choose\/","title":{"rendered":"Which Fiberglass Cloth to Choose?"},"content":{"rendered":"<p class=\"post-updated\"><strong>Last Updated: March 3, 2026<\/strong><!--?php echo get_the_modified_date('F j, Y'); ?--><\/p>\r\n<!-- Quick Recommendation Box: Which Fiberglass Cloth to Choose -->\r\n<div class=\"bps-quick-reco\" style=\"border: 1px solid #e5e5e5; border-left: 6px solid #0a6fb5; background: #f8fbff; padding: 16px 18px; margin: 14px 0 22px; border-radius: 8px;\">\r\n<p style=\"margin: 0 0 8px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: #0a6fb5; font-weight: bold;\">Quick Recommendation<\/p>\r\n<h2 style=\"margin: 0 0 10px; font-size: 20px; line-height: 1.25;\">Which Fiberglass Cloth Should You Choose?<\/h2>\r\n<ul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\">\r\n<li><strong>For structural repairs:<\/strong> Use <strong>woven fiberglass cloth<\/strong> for strength and clean finishing.<\/li>\r\n<li><strong>For building thickness quickly:<\/strong> Choose <strong>biaxial cloth<\/strong> for added reinforcement and multi-directional strength.<\/li>\r\n<li><strong>For smooth cosmetic layers:<\/strong> Use <strong>lighter-weight cloth<\/strong> that wets out easily and sands smoothly.<\/li>\r\n<li><strong>Bottom line:<\/strong> Select fiberglass cloth based on <strong>repair size, structural needs, and finish requirements<\/strong>.<\/li>\r\n<\/ul>\r\n<p style=\"margin: 12px 0 0; color: #555; line-height: 1.5;\"><strong>Tip:<\/strong> Always match the cloth weight and weave to the resin system you\u2019re using for best bonding and performance.<\/p>\r\n<\/div>\r\n<p>&nbsp;<\/p>\r\n\r\n<p>Depending on the job at hand, we offer a few types of<a href=\"https:\/\/www.bottompaintstore.com\/fiberglass-and-laminating-rollers-fiberglass-c-13581_13588_13589.html\"> fiberglass cloth<\/a> to choose from and different cloths are used for different jobs. They are available in different widths and are sold by the roll or yard.<\/p>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/www.bottompaintstore.com\/Fiberglass-Chopped-Strand-Mat-1.5-OZ?search=fiberglass%20mat&amp;description=true&amp;sort=relevance&amp;order=DESC\">Mat<\/a>&#8211; This mat is used for parts and is great for not showing fiberglass patterns through <a href=\"https:\/\/www.bottompaintstore.com\/blog\/gelcoat\/gelcoat-did-not-cure-what-caused-it-and-whats-next\/\">gelcoat<\/a>. Mat has many small fibers thrown together on a binder and is the most used, basic cloth. There is no specific direction to the fibers, making them strong and light. Sold in \u00be oz up to 2 oz thickness.<\/p>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/www.bottompaintstore.com\/fiberglass-and-laminating-rollers-fiberglass-c-13581_13588_13589.html\/fiberglass-woven-roving-24oz.-x-50-wide-p-9936.html\">Woven Roving<\/a>-This weave has long fibers weaved together like a cloth. It is extremely thick and durable making it heavier than other fiberglass materials. This often shows pattern through <a href=\"https:\/\/www.bottompaintstore.com\/blog\/gelcoat\/gelcoat-did-not-cure-what-caused-it-and-whats-next\/\">gelcoat<\/a> and is used for heavy-duty items. Sold in 18 and 24 oz thickness.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-gallery alignleft columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\r\n<ul class=\"blocks-gallery-grid\">\r\n<li class=\"blocks-gallery-item\">\r\n<figure><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"539\" class=\"wp-image-2015\" src=\"https:\/\/www.bottompaintstore.com\/blog\/wp-content\/uploads\/fiberglass-cloth-6-oz-50-inches-wide-1-yard-28283-500x539.jpg\" alt=\"\" data-id=\"2015\" srcset=\"https:\/\/www.bottompaintstore.com\/blog\/wp-content\/uploads\/fiberglass-cloth-6-oz-50-inches-wide-1-yard-28283-500x539.jpg 500w, https:\/\/www.bottompaintstore.com\/blog\/wp-content\/uploads\/fiberglass-cloth-6-oz-50-inches-wide-1-yard-28283-500x539-278x300.jpg 278w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/>\r\n<figcaption class=\"blocks-gallery-item__caption\">Woven Roving<\/figcaption>\r\n<\/figure>\r\n<\/li>\r\n<\/ul>\r\n<\/figure>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/www.bottompaintstore.com\/fiberglass-and-laminating-rollers-fiberglass-c-13581_13588_13589.html\/Fiberglass-Double-Bias-1808-Nonwoven\">Double Bias Non Woven- 1808<\/a>, the first number is the woven roving thickness (18oz) and 08 is the mat thickness (3\/4 oz). This is a combination of woven roving on one side and mat on the other, making it very durable and usually used for boat and house decks as it is very rigid.<\/p>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/www.bottompaintstore.com\/fiberglass-and-laminating-rollers-fiberglass-c-13581_13588_13589.html?product_id=33764\">Fiberglass Cloth<\/a>&#8211; This is sold in 4, 6, 8 and 10 oz thickness and is very fine. While being rigid it is also used for anything that is see-through, such as surfboards as it\u2019s thin, lightweight, and shows well with clear resin.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-gallery alignleft columns-0 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><\/figure>\r\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=6.9.7\"><\/script>","protected":false},"excerpt":{"rendered":"<p>Last Updated: March 3, 2026 Quick Recommendation Which Fiberglass Cloth Should You Choose? For structural repairs: Use woven fiberglass cloth for strength and clean finishing. For building thickness quickly: Choose biaxial cloth for added reinforcement and multi-directional strength. For smooth cosmetic layers: Use lighter-weight cloth that wets out easily and sands smoothly. Bottom line: Select [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[143],"tags":[436,439,49,438,437],"class_list":["post-2011","post","type-post","status-publish","format-standard","hentry","category-fiberglass-repair","tag-fiberglass","tag-fiberglass-cloth","tag-fiberglass-mold","tag-mat-cloth","tag-woven-roving"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/posts\/2011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/comments?post=2011"}],"version-history":[{"count":7,"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/posts\/2011\/revisions"}],"predecessor-version":[{"id":4204,"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/posts\/2011\/revisions\/4204"}],"wp:attachment":[{"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/media?parent=2011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/categories?post=2011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bottompaintstore.com\/blog\/wp-json\/wp\/v2\/tags?post=2011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}