{"id":23225,"date":"2024-02-23T19:54:27","date_gmt":"2024-02-23T18:54:27","guid":{"rendered":"https:\/\/www.projectforbuilding.com\/products\/uncategorized\/sub-pro-e-sub-one\/"},"modified":"2026-07-03T17:20:15","modified_gmt":"2026-07-03T15:20:15","slug":"sub-pro-and-sub-one","status":"publish","type":"product","link":"https:\/\/www.projectforbuilding.com\/en\/products\/construction\/sub-pro-and-sub-one\/","title":{"rendered":"SUB PRO &#038; SUB ONE &#8211;  modular formwork for lightweight slabs"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"23225\" class=\"elementor elementor-23225 elementor-15716\" data-elementor-post-type=\"product\">\n\t\t\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-3ef7bf02 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ef7bf02\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5ae120b4\" data-id=\"5ae120b4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-54c482b8 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"54c482b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"text-align: justify;\">Sub is an innovative modular permanent formwork made of recycled plastic, used for the construction of lightweight two-way slabs.<\/h3><p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">This new element has been <strong>completely redesigned by PROJECT FOR BUILDING<\/strong> to deliver higher performance in replacing traditional lightweight fillers such as clay blocks and polystyrene. The elements allow the creation of flat slabs thanks to conical support feet. The soffit of the slab is automatically flat and ready for plastering, without the need for suspended ceilings. <\/span><\/p><p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">The elements are available as single or double units. The four different heights can be combined with each other to meet a wide range of structural requirements. All pieces are supplied with adjustable feet and spacers.<\/span><\/p><p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">The SUB element is <strong>made from a 100% recycled polyolefin blend<\/strong>.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-6d714ee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d714ee\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6d4703e\" data-id=\"6d4703e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-adbbc56 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"adbbc56\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;highlighted_vertical_offset&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-large text-center\">\n\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"title-subtitle subtitle-color-default subtitle-style-default wd-fontsize-xs\">\n\t\t\t\t\tFAQ - FREQUENTLY ASKED QUESTIONS\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Frequently asked questions about SUB ONE \/ SUB PRO<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"title-after_title reset-last-child wd-fontsize-s\">\n\t\t\t\t\t<p>SUB ONE and SUB PRO systems make it possible to construct lightweight bidirectional slabs, reducing concrete weight and optimizing structural performance. They are particularly suitable for long spans and reduced slab thicknesses.<\/p>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da318b8 elementor-widget elementor-widget-wd_accordion\" data-id=\"da318b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-accordion wd-style-shadow wd-titles-left wd-opener-pos-left wd-opener-style-arrow\" data-state=\"first\">\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn wd-active\" data-accordion-index=\"0\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tWhat is the difference between SUB PRO and SUB ONE?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content wd-active\" data-accordion-index=\"0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p data-start=\"57\" data-end=\"240\">SUB PRO is a modular system consisting of a base and cover, with heights of up to 60 cm, making it suitable for foundation slabs and demanding structural applications.<\/p><p data-start=\"242\" data-end=\"358\">SUB ONE is a monolithic formwork system, more compact in design and available in heights of up to 24 cm.<\/p><p data-start=\"360\" data-end=\"464\" data-is-last-node=\"\" data-is-only-node=\"\">The choice depends on the required structural configuration and slab thickness specified in the project.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"1\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tHow is the height of a lightweight slab determined?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"1\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p data-start=\"57\" data-end=\"242\">The slab height is determined by structural design requirements: the thickness of the lower and upper concrete slabs (typically 6\u20137 cm each) plus the height of the formwork.<\/p><p data-start=\"244\" data-end=\"321\" data-is-last-node=\"\" data-is-only-node=\"\">The final dimensions must always be verified through structural calculations.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-inner-section elementor-element elementor-element-9d946cd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9d946cd\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-301bd8e\" data-id=\"301bd8e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c1f5546 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"c1f5546\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;highlighted_vertical_offset&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-small text-center\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-m\">For more information on slab sizing and configuration,<br>read the full technical FAQ.<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c689046 elementor-widget elementor-widget-wd_button\" data-id=\"c689046\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-button-wrapper text-center\" >\n\t\t\t<a class=\"btn btn-style-default btn-shape-rectangle btn-size-extra-large btn-color-primary btn-icon-pos-right\"  href=\"https:\/\/www.projectforbuilding.com\/en\/faq-construction-products\/#sub\">\n\t\t\t\t<span class=\"wd-btn-text\" data-elementor-setting-key=\"text\">\n\t\t\t\t\tGo to the FAQ on lightweight slabs\t\t\t\t<\/span>\n\n\t\t\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<h3 style=\"text-align: justify;\">Sub is an innovative modular permanent formwork made of recycled plastic, used for the construction of lightweight two-way slabs.<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">This new element has been <strong>completely redesigned by PROJECT FOR BUILDING<\/strong> to deliver higher performance in replacing traditional lightweight fillers such as clay blocks and polystyrene. The elements allow the creation of flat slabs thanks to conical support feet. The soffit of the slab is automatically flat and ready for plastering, without the need for suspended ceilings. <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">The elements are available as single or double units. The four different heights can be combined with each other to meet a wide range of structural requirements. All pieces are supplied with adjustable feet and spacers.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">The SUB element is <strong>made from a 100% recycled polyolefin blend<\/strong>.<\/span><\/p>\n","protected":false},"featured_media":24144,"template":"","meta":[],"product_brand":[],"product_cat":[172],"product_tag":[],"class_list":["post-23225","product","type-product","status-publish","has-post-thumbnail","product_cat-construction","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SUB PRO &amp; SUB ONE - modular formwork for lightweight slabs - Project for Building - Innovative products for the building industry<\/title>\n<meta name=\"description\" content=\"Sub Pro and Sub One by Project For Building are modular permanent formworks made of recycled plastic, designed for the construction of lightweight two-way slabs with a flat soffit ready for plastering.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.projectforbuilding.com\/en\/products\/construction\/sub-pro-and-sub-one\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SUB, per un perfetto equilibrio tra edilizia e sostenibilit\u00e0 ambientale\" \/>\n<meta property=\"og:description\" content=\"L&#039;innovativo elemento modulare in plastica riciclata 100%, Sub, il cassero a perdere per la realizzazione di solai bidirezionali alleggeriti\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.projectforbuilding.com\/en\/products\/construction\/sub-pro-and-sub-one\/\" \/>\n<meta property=\"og:site_name\" content=\"Project for Building - Innovative products for the building industry\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/projectforbuilding\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-03T15:20:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.projectforbuilding.com\/wp-content\/uploads\/2024\/02\/subpro_12-12.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.projectforbuilding.com\\\/en\\\/products\\\/construction\\\/sub-pro-and-sub-one\\\/\",\"url\":\"https:\\\/\\\/www.projectforbuilding.com\\\/en\\\/products\\\/construction\\\/sub-pro-and-sub-one\\\/\",\"name\":\"SUB PRO & SUB ONE - 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