{"id":764,"date":"2026-06-08T18:52:52","date_gmt":"2026-06-08T18:52:52","guid":{"rendered":"https:\/\/gesco.nerdmarketing.ca\/?page_id=764"},"modified":"2026-10-02T17:19:46","modified_gmt":"2026-10-02T21:19:46","slug":"travaux-dexcavation-de-materiel-sous-dalle-existante","status":"publish","type":"page","link":"https:\/\/gesco.nerdmarketing.ca\/en\/excavation-of-material-under-existing-slab\/","title":{"rendered":"Excavation work to remove material from beneath an existing slab"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"764\" class=\"elementor elementor-764\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cfee04 e-flex e-con-boxed e-con e-parent\" data-id=\"1cfee04\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9gk1wmv e-flex e-con-boxed e-con e-child\" data-id=\"9gk1wmv\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ibwi0qa elementor-widget elementor-widget-text-editor\" data-id=\"ibwi0qa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"\/en\/\" style=\"color:rgba(255,255,255,0.65);text-decoration:none;\">Home<\/a> &#8250; <a href=\"\/en\/turnkey-services\/\" style=\"color:rgba(255,255,255,0.65);text-decoration:none;\">Services<\/a> &#8250; <a href=\"\/en\/concrete-slab-replacement\/\" style=\"color:rgba(255,255,255,0.65);text-decoration:none;\">Replacement of a Concrete Slab<\/a><span class=\"nrd-bc-cur\"> &#8250; Excavation of material under an existing slab<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ockzk6t elementor-widget elementor-widget-heading\" data-id=\"ockzk6t\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Excavation of material under an existing slab<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-h9hj2t5 elementor-widget elementor-widget-text-editor\" data-id=\"h9hj2t5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Do you have a building, a house or a garage to demolish? Avoid delays and entrust your project to us.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-pknaqfl elementor-widget elementor-widget-button\" data-id=\"pknaqfl\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/en\/contact-us\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a quote \u2192<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da6ad2f e-con-full e-flex e-con e-parent\" data-id=\"da6ad2f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-p0zv4ah e-con-full e-flex e-con e-child\" data-id=\"p0zv4ah\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-835fkkn elementor-widget elementor-widget-heading\" data-id=\"835fkkn\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Excavation under a slab: pyrite removal and soil preparation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-p5so9tc elementor-widget elementor-widget-text-editor\" data-id=\"p5so9tc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"11,0\">Are you seeing cracks in your concrete slab or heaving of the floor? <b data-path-to-node=\"11,0\" data-index-in-node=\"84\">Gesco Construction<\/b> carries out careful excavation of the material under existing slabs in order to remove pyrite, replace contaminated or inadequate backfill, and prepare your ground for new structures.<\/p><p data-path-to-node=\"11,1\">Our specialized equipment and controlled techniques allow us to work efficiently inside your residential, commercial and industrial buildings while preserving the integrity of the overall structure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-hqw1kqr elementor-widget elementor-widget-heading\" data-id=\"hqw1kqr\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">When does excavation under the slab become necessary?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-iixejbg elementor-widget elementor-widget-text-editor\" data-id=\"iixejbg\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul style=\"padding-left: 20px;\"><li><p data-path-to-node=\"14,0,0\"><b data-path-to-node=\"14,0,0\" data-index-in-node=\"0\">Pyrite and swelling backfill removal:<\/b> Complete extraction of the contaminated materials pressing on the structure.<\/p><\/li><li><p data-path-to-node=\"14,1,0\"><b data-path-to-node=\"14,1,0\" data-index-in-node=\"0\">Rebuilding under-slab plumbing:<\/b> Clearing the ground to repair, replace or modernize the water and drainage lines.<\/p><\/li><li><p data-path-to-node=\"14,2,0\"><b data-path-to-node=\"14,2,0\" data-index-in-node=\"0\">Correcting a cracked or sunken slab:<\/b> Replacement of the unstable granular base with compliant material (DB).<\/p><\/li><li><p data-path-to-node=\"14,3,0\"><b data-path-to-node=\"14,3,0\" data-index-in-node=\"0\">Ground preparation for renovations:<\/b> Excavation required to lower a basement or install a new waterproofing system.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51m77i4 elementor-widget elementor-widget-heading\" data-id=\"51m77i4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">A safe approach and a clean site<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37bxl6b elementor-widget elementor-widget-text-editor\" data-id=\"37bxl6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Excavation work under an existing slab calls for maximum precision. Our crews ensure rigorous dust control, protection of adjacent areas and efficient removal of the extracted material to authorized disposal centres.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96f6ab1 e-con-full e-flex e-con e-child\" data-id=\"96f6ab1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;position&quot;:&quot;sticky&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-93adb43 e-con-full e-flex e-con e-child\" data-id=\"93adb43\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7d6f1f elementor-widget elementor-widget-heading\" data-id=\"a7d6f1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Free quote<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65f0e84 elementor-widget elementor-widget-text-editor\" data-id=\"65f0e84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Contact us for an assessment of your project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-219fd46 elementor-widget elementor-widget-heading\" data-id=\"219fd46\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"><a href=\"tel:+14504770004\">(450) 477-0004<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b280612 elementor-align-stretch elementor-widget elementor-widget-button\" data-id=\"b280612\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/en\/contact-us\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a quote \u2192<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-91a5f99 e-con-full e-flex e-con e-child\" data-id=\"91a5f99\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dedb331 elementor-widget elementor-widget-heading\" data-id=\"dedb331\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Certifications<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04e0f2b elementor-widget elementor-widget-text-editor\" data-id=\"04e0f2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>RBQ: 5661-9117-01<br>RBQ: 5597-9629-01<br>APCHQ Member<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab17f8a elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"ab17f8a\" 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-50 elementor-top-column elementor-element elementor-element-778d9a8\" data-id=\"778d9a8\" 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-6021f92 gesco-photo-tuile elementor-widget elementor-widget-image\" data-id=\"6021f92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_7488-rotated.jpeg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"IMG_7488\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTAwNCwidXJsIjoiaHR0cHM6XC9cL2dlc2NvLm5lcmRtYXJrZXRpbmcuY2FcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA2XC9JTUdfNzQ4OC1yb3RhdGVkLmpwZWcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"480\" height=\"640\" src=\"https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_7488-rotated.jpeg\" class=\"attachment-large size-large wp-image-1004\" alt=\"\" srcset=\"https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_7488-rotated.jpeg 480w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_7488-225x300.jpeg 225w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_7488-9x12.jpeg 9w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6887d37\" data-id=\"6887d37\" 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-91db4b1 gesco-photo-tuile elementor-widget elementor-widget-image\" data-id=\"91db4b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Excavation sous un abri de voiture\" data-elementor-lightbox-description=\"Excavation en espace restreint sous une structure existante, avec machinerie compacte.\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTAwMywidXJsIjoiaHR0cHM6XC9cL2dlc2NvLm5lcmRtYXJrZXRpbmcuY2FcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjZcLzA2XC9JTUdfMjY1OS5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659-1024x768.jpg\" class=\"attachment-large size-large wp-image-1003\" alt=\"Mini-excavatrice creusant sous un abri de voiture en espace restreint\" srcset=\"https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659-1024x768.jpg 1024w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659-300x225.jpg 300w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659-768x576.jpg 768w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659-1536x1152.jpg 1536w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659-16x12.jpg 16w, https:\/\/gesco.nerdmarketing.ca\/wp-content\/uploads\/2026\/06\/IMG_2659.jpg 1600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\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=\"elementor-section elementor-top-section elementor-element elementor-element-f45378a elementor-section-full_width elementor-section-stretched elementor-section-height-default elementor-section-height-default\" data-id=\"f45378a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;,&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-top-column elementor-element elementor-element-f8de96b\" data-id=\"f8de96b\" 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-d053fd1 elementor-widget elementor-widget-heading\" data-id=\"d053fd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ready to get started on your project?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e18a08 elementor-widget elementor-widget-text-editor\" data-id=\"3e18a08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align:center\">Free, no-obligation quote\u2014call us now.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a27f4cd elementor-widget elementor-widget-heading\" data-id=\"a27f4cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"tel:+14504770004\">(450) 477-0004<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a1036f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a1036f6\" 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-50 elementor-top-column elementor-element elementor-element-f9b40a5\" data-id=\"f9b40a5\" 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-84fc40a elementor-align-right elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"84fc40a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:+14504770004\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Call Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7ed0c2f\" data-id=\"7ed0c2f\" 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-8a09ec7 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"8a09ec7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/en\/contact-us\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Online Submission<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\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>","protected":false},"excerpt":{"rendered":"<p>Accueil &#8250; Services &#8250; Remplacement de dalle de b\u00e9ton &#8250; Travaux d&#x27;excavation de mat\u00e9riel sous dalle existante Travaux d&rsquo;excavation de mat\u00e9riel sous dalle existante Vous avez un immeuble, une r\u00e9sidence ou un garage \u00e0 d\u00e9molir? \u00c9vitez les d\u00e9lais et confiez-nous votre projet. Demander une soumission \u2192 Excavation sous dalle : retrait de pyrite et pr\u00e9paration [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"class_list":["post-764","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Excavation Under an Existing Slab | Gesco Terrebonne<\/title>\n<meta name=\"description\" content=\"Removal of pyrite and contaminated backfill under an existing slab, inside the building, without touching the structure. (450) 477-0004.\" \/>\n<meta name=\"robots\" content=\"noindex, nofollow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Excavation Under an Existing Slab | Gesco Terrebonne\" \/>\n<meta property=\"og:description\" content=\"Removal of pyrite and contaminated backfill under an existing slab, inside the building, without touching the structure. 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