{"id":23807,"date":"2025-05-26T10:25:38","date_gmt":"2025-05-26T08:25:38","guid":{"rendered":"https:\/\/www.ferberpainting.com\/products\/mass-expander\/"},"modified":"2026-02-15T20:55:43","modified_gmt":"2026-02-15T19:55:43","slug":"mass-expander","status":"publish","type":"product","link":"https:\/\/www.ferberpainting.com\/uk\/products\/mass-expander\/","title":{"rendered":"Mass Expander"},"content":{"rendered":"

\"\"Increase concrete volume and reduce shrinkage with precision.<\/strong> Our mass expander is specially formulated to compensate for shrinkage in cement-based materials and improve dimensional stability. By creating controlled expansion during the hydration process, it helps reduce cracking, internal stress, and structural weaknesses, ensuring stronger and more durable concrete structures.<\/p>\n

\"\"The most effective expansion additive on the market.<\/strong> Engineered with advanced expansive technology, this product integrates directly into cement mixes and reacts during curing to generate controlled expansion. It delivers superior shrinkage compensation compared to conventional additives, significantly improving structural integrity and long-term performance.<\/p>\n

\"\"Money-back guarantee for total peace of mind.<\/strong> We are fully confident in the performance and reliability of our mass expander. If you are not completely satisfied with the results, we will refund your purchase. Our money-back guarantee ensures your investment is entirely risk-free and reflects our commitment to delivering professional-grade construction solutions.<\/p>\n

\"\"The cheapest high-performance cement expansion additive available.<\/strong> Structural reinforcement and crack prevention do not need to involve expensive systems. Our mass expander offers premium expansion control at the most competitive price on the market, providing exceptional value for contractors, engineers, and construction professionals.<\/p>\n

\"\"Fast 24-hour delivery for uninterrupted construction projects.<\/strong> Construction schedules are often tight and time-sensitive. That is why we provide reliable 24-hour delivery, ensuring your additive arrives quickly so your project can proceed without delay.<\/p>\n

\"\"Recommended dosage between 0.1% and 0.5% of cement weight.<\/strong> For optimal performance, the mass expander should be added at a rate between 0.1% and 0.5% of the total cement weight. This controlled dosage ensures proper expansion without compromising strength or structural integrity.<\/p>\n

\"\"Reduces cracking and internal stress.<\/strong> Shrinkage during curing can lead to microcracks and structural defects. By compensating for volume reduction, this additive minimizes internal tension and improves overall durability.<\/p>\n

\"\"Improves dimensional stability in concrete and mortar.<\/strong> The expansion effect ensures better bonding, tighter filling of molds and cavities, and enhanced structural cohesion. This makes it ideal for grouts, repair mortars, foundations, slabs, and precast elements.<\/p>\n

\"\"Compatible with various cement-based formulations.<\/strong> This mass expander can be incorporated into concrete, mortar, screeds, and specialized cement mixtures. It integrates easily into standard mixing processes without requiring complex adjustments.<\/p>\n

\"\"Enhances long-term structural performance.<\/strong> By reducing shrinkage-related defects, the additive contributes to improved mechanical strength, better resistance to environmental stress, and extended service life of cement-based structures.<\/p>\n

Instructions<\/strong><\/h2>\n
    \n
  • Calculate the total weight of cement used in the mix before adding the expander.<\/li>\n
  • Measure the mass expander at a rate between 0.1% and 0.5% of the cement weight. For example, for 100 kg of cement, add between 100 g and 500 g of expander depending on project requirements.<\/li>\n
  • Add the expander directly to the dry cement mix and blend thoroughly to ensure uniform distribution before adding water.<\/li>\n
  • Proceed with standard mixing procedures, adding water gradually according to the mix design specifications.<\/li>\n
  • Ensure homogeneous mixing to guarantee consistent expansion throughout the material.<\/li>\n
  • Place and compact the concrete or mortar according to standard construction practices.<\/li>\n
  • Avoid exceeding the recommended dosage, as excessive expansion may negatively affect mechanical properties.<\/li>\n
  • Cure the concrete properly to allow full hydration and expansion reaction.<\/li>\n
  • Store the product in a dry environment to prevent premature reaction with moisture.<\/li>\n
  • Follow standard safety guidelines when handling cement-based materials and additives.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    Increase concrete volume and reduce shrinkage with precision. Our mass expander is specially formulated to compensate for shrinkage in cement-based materials and improve dimensional stability. By creating controlled expansion during the hydration process, it helps reduce cracking, internal stress, and structural weaknesses, ensuring stronger and more durable concrete structures. The most effective expansion additive on […]<\/p>\n","protected":false},"featured_media":26267,"comment_status":"open","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":{"0":"post-23807","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-concrete-treatment","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"sale","14":"shipping-taxable","15":"purchasable","16":"product-type-variable","17":"has-default-attributes"},"spectra_custom_meta":{"_visibility":["visible"],"_shopify_product_id":["8050142380277"],"_s2w_shopify_domain":["ferberpainting.myshopify.com"],"_shopify_variant_id":["43843096215797"],"_sku":[""],"_manage_stock":["no"],"total_sales":["0"],"_tax_status":["taxable"],"_tax_class":[""],"_backorders":["no"],"_sold_individually":["no"],"_virtual":["no"],"_downloadable":["no"],"_download_limit":["-1"],"_download_expiry":["-1"],"_stock":[null],"_stock_status":["instock"],"_wc_average_rating":["4.99"],"_wc_review_count":["92"],"_product_attributes":["a:1:{s:6:\"volume\";a:6:{s:4:\"name\";s:6:\"Volume\";s:5:\"value\";s:20:\"5 liters | 25 liters\";s:8:\"position\";i:1;s:10:\"is_visible\";i:0;s:12:\"is_variation\";i:1;s:11:\"is_taxonomy\";i:0;}}"],"_product_version":["10.5.1"],"_thumbnail_id":["26267"],"_price":["29.90","99.90"],"_product_image_gallery":["26268"],"merchant-center-availability":["yes"],"merchant-center-category":["2277"],"merchant-center-id":["EDM5L"],"wpse_downloadable_file_names":[""],"wpse_downloadable_file_urls":[""],"_edit_last":["1"],"_default_attributes":["a:1:{s:6:\"volume\";s:8:\"5 liters\";}"],"_wc_rating_count":["a:2:{i:4;i:1;i:5;i:91;}"],"_edit_lock":["1771185246:1"],"_wp_page_template":["default"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"astra-migrate-meta-layouts":["set"],"_uag_css_file_name":["uag-css-23807.css"],"_uag_page_assets":["a:9:{s:3:\"css\";s:6873:\".wp-block-uagb-image{display:flex}.wp-block-uagb-image__figure{position:relative;display:flex;flex-direction:column;max-width:100%;height:auto;margin:0}.wp-block-uagb-image__figure img{height:auto;display:flex;max-width:100%;transition:box-shadow .2s ease}.wp-block-uagb-image__figure>a{display:inline-block}.wp-block-uagb-image__figure figcaption{text-align:center;margin-top:.5em;margin-bottom:1em}.wp-block-uagb-image .components-placeholder.block-editor-media-placeholder .components-placeholder__instructions{align-self:center}.wp-block-uagb-image--align-left{text-align:left}.wp-block-uagb-image--align-right{text-align:right}.wp-block-uagb-image--align-center{text-align:center}.wp-block-uagb-image--align-full .wp-block-uagb-image__figure{margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);max-width:100vw;width:100vw;height:auto}.wp-block-uagb-image--align-full .wp-block-uagb-image__figure img{height:auto;width:100% !important}.wp-block-uagb-image--align-wide .wp-block-uagb-image__figure img{height:auto;width:100%}.wp-block-uagb-image--layout-overlay__color-wrapper{position:absolute;left:0;top:0;right:0;bottom:0;opacity:.2;background:rgba(0,0,0,.5);transition:opacity .35s ease-in-out}.wp-block-uagb-image--layout-overlay-link{position:absolute;left:0;right:0;bottom:0;top:0}.wp-block-uagb-image--layout-overlay .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{opacity:1}.wp-block-uagb-image--layout-overlay__inner{position:absolute;left:15px;right:15px;bottom:15px;top:15px;display:flex;align-items:center;justify-content:center;flex-direction:column;border-color:#fff;transition:.35s ease-in-out}.wp-block-uagb-image--layout-overlay__inner.top-left,.wp-block-uagb-image--layout-overlay__inner.top-center,.wp-block-uagb-image--layout-overlay__inner.top-right{justify-content:flex-start}.wp-block-uagb-image--layout-overlay__inner.bottom-left,.wp-block-uagb-image--layout-overlay__inner.bottom-center,.wp-block-uagb-image--layout-overlay__inner.bottom-right{justify-content:flex-end}.wp-block-uagb-image--layout-overlay__inner.top-left,.wp-block-uagb-image--layout-overlay__inner.center-left,.wp-block-uagb-image--layout-overlay__inner.bottom-left{align-items:flex-start}.wp-block-uagb-image--layout-overlay__inner.top-right,.wp-block-uagb-image--layout-overlay__inner.center-right,.wp-block-uagb-image--layout-overlay__inner.bottom-right{align-items:flex-end}.wp-block-uagb-image--layout-overlay__inner .uagb-image-heading{color:#fff;transition:transform .35s,opacity .35s ease-in-out;transform:translate3d(0, 24px, 0);margin:0;line-height:1em}.wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{width:30%;border-top-width:2px;border-top-color:#fff;border-top-style:solid;margin-bottom:10px;opacity:0;transition:transform .4s,opacity .4s ease-in-out;transform:translate3d(0, 30px, 0)}.wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity:0;overflow:visible;color:#fff;transition:transform .45s,opacity .45s ease-in-out;transform:translate3d(0, 35px, 0)}.wp-block-uagb-image--layout-overlay__inner:hover .uagb-image-heading,.wp-block-uagb-image--layout-overlay__inner:hover .uagb-image-separator,.wp-block-uagb-image--layout-overlay__inner:hover .uagb-image-caption{opacity:1;transform:translate3d(0, 0, 0)}.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure img,.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure .wp-block-uagb-image--layout-overlay__color-wrapper{transform:scale(1);transition:transform .35s ease-in-out}.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure:hover img,.wp-block-uagb-image--effect-zoomin .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{transform:scale(1.05)}.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure img,.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure .wp-block-uagb-image--layout-overlay__color-wrapper{width:calc(100% + 40px) !important;max-width:none !important;transform:translate3d(-40px, 0, 0);transition:transform .35s ease-in-out}.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure:hover img,.wp-block-uagb-image--effect-slide .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{transform:translate3d(0, 0, 0)}.wp-block-uagb-image--effect-grayscale img{filter:grayscale(0%);transition:.35s ease-in-out}.wp-block-uagb-image--effect-grayscale:hover img{filter:grayscale(100%)}.wp-block-uagb-image--effect-blur img{filter:blur(0);transition:.35s ease-in-out}.wp-block-uagb-image--effect-blur:hover img{filter:blur(3px)}.uagb-block-e6f939b3.wp-block-uagb-image--layout-default figure img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure figcaption{font-style: normal;align-self: center;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay figure img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__color-wrapper{opacity: 0.2;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner{left: 15px;right: 15px;top: 15px;bottom: 15px;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-heading{font-style: normal;color: #fff;opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-heading a{color: #fff;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity: 0;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__color-wrapper{opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{width: 30%;border-top-width: 2px;border-top-color: #fff;opacity: 0;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__inner .uagb-image-caption{opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure:hover .wp-block-uagb-image--layout-overlay__inner .uagb-image-separator{opacity: 1;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-default figure:hover img{box-shadow: 0px 0px 0 #00000070;}.uagb-block-e6f939b3.wp-block-uagb-image--layout-overlay figure:hover img{box-shadow: 0px 0px 0 #00000070;}@media only screen and (max-width: 976px) {.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}}@media only screen and (max-width: 767px) {.uagb-block-e6f939b3.wp-block-uagb-image .wp-block-uagb-image__figure img{width: px;height: auto;}}\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:13:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:14:\"core\/paragraph\";i:8;s:10:\"uagb\/image\";i:9;s:11:\"core\/spacer\";i:10;s:30:\"woocommerce\/product-categories\";i:11;s:10:\"core\/image\";i:12;s:14:\"core\/shortcode\";}s:8:\"uag_flag\";b:1;s:11:\"uag_version\";s:10:\"1777108361\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"]},"uagb_featured_image_src":{"full":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c.jpg",2560,2560,false],"thumbnail":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-150x150.jpg",150,150,true],"medium":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-300x300.jpg",300,300,true],"medium_large":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-768x768.jpg",768,768,true],"large":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-1024x1024.jpg",1024,1024,true],"1536x1536":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-1536x1536.jpg",1536,1536,true],"2048x2048":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-2048x2048.jpg",2048,2048,true],"trp-custom-language-flag":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-12x12.jpg",12,12,true],"woocommerce_thumbnail":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-300x300.jpg",300,300,true],"woocommerce_single":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-600x600.jpg",600,600,true],"woocommerce_gallery_thumbnail":["https:\/\/www.ferberpainting.com\/wp-content\/uploads\/2025\/05\/MassExpander5L_02aa0bb0-2fa7-4e30-9d5f-6bf6604f749c-100x100.jpg",100,100,true]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/www.ferberpainting.com\/uk\/author\/"},"uagb_comment_info":92,"uagb_excerpt":"Increase concrete volume and reduce shrinkage with precision. Our mass expander is specially formulated to compensate for shrinkage in cement-based materials and improve dimensional stability. By creating controlled expansion during the hydration process, it helps reduce cracking, internal stress, and structural weaknesses, ensuring stronger and more durable concrete structures. The most effective expansion additive on…","_links":{"self":[{"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product\/23807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/comments?post=23807"}],"version-history":[{"count":2,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product\/23807\/revisions"}],"predecessor-version":[{"id":166498,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product\/23807\/revisions\/166498"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/media\/26267"}],"wp:attachment":[{"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/media?parent=23807"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product_brand?post=23807"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product_cat?post=23807"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.ferberpainting.com\/uk\/wp-json\/wp\/v2\/product_tag?post=23807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}