{"id":18,"date":"2026-09-15T03:35:59","date_gmt":"2026-09-15T03:35:59","guid":{"rendered":"https:\/\/division7.ca\/blog\/?page_id=18"},"modified":"2026-09-16T15:44:54","modified_gmt":"2026-09-16T15:44:54","slug":"home","status":"publish","type":"page","link":"https:\/\/division7.ca\/blog\/","title":{"rendered":"Blog"},"content":{"rendered":"<div style=\"max-width:1100px;margin:0 auto;padding:24px;\"><p style=\"margin:0 0 24px 0;\"><a href=\"https:\/\/division7.ca\/\" style=\"display:inline-block;text-decoration:none;font-weight:600;padding:10px 16px;border:1px solid #d0d0d0;border-radius:6px;\">\u2190 Home<\/a><\/p><h1>Division 7 Contracting Blog<\/h1><p>Expert insights on insulation, spray foam, fireproofing and concrete lifting across British Columbia. Updated regularly with practical field guidance.<\/p><div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-43 post type-post status-publish format-standard has-post-thumbnail hentry category-fireproofing\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/fireproofing-inspection-checklist-thickness-coverage-records\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Fireproofing Inspection Checklist: Thickness, Coverage, and Records\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application.jpg 800w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application-300x225.jpg 300w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/fireproofing-inspection-checklist-thickness-coverage-records\/\" target=\"_self\" >Fireproofing Inspection Checklist: Thickness, Coverage, and Records<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A practical field checklist for coordinating and inspecting spray-applied fire-resistive material on structural steel.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/fireproofing-inspection-checklist-thickness-coverage-records\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-10-02T16:00:00+00:00\">October 2, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-38 post type-post status-publish format-standard has-post-thumbnail hentry category-insulation-building-science tag-basement-insulation tag-lower-mainland tag-rim-joist-insulation tag-spray-foam-insulation\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/spray-foam-basement-rim-joists-bc\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"669\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Basement Rim Joist Insulation in BC: Air Sealing, Moisture, and Fire Safety\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam.webp 1024w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam-300x196.webp 300w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam-768x502.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/spray-foam-basement-rim-joists-bc\/\" target=\"_self\" >Basement Rim Joist Insulation in BC: Air Sealing, Moisture, and Fire Safety<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Learn how to air seal basement rim joists in BC homes, what moisture and framing conditions to check first, and how to plan foam insulation safely around wiring and services.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/spray-foam-basement-rim-joists-bc\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-10-01T14:27:15+00:00\">October 1, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-36 post type-post status-publish format-standard hentry category-insulation-building-science tag-attic-insulation tag-blown-in-insulation tag-cellulose-insulation tag-fiberglass-insulation tag-lower-mainland\"><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/blown-in-attic-insulation-cellulose-vs-fiberglass-bc\/\" target=\"_self\" >Blown-In Attic Insulation: Cellulose vs Fiberglass for BC Homes<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Comparing blown-in cellulose and fiberglass for attic insulation in British Columbia? Learn how the materials differ and what matters when planning an attic top-up.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/blown-in-attic-insulation-cellulose-vs-fiberglass-bc\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-09-23T15:47:36+00:00\">September 23, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-34 post type-post status-publish format-standard has-post-thumbnail hentry category-fireproofing tag-british-columbia-construction tag-cementitious-fireproofing tag-commercial-fireproofing tag-fireproofing-coordination\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/commercial-fireproofing-bc-pre-installation-coordination\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Commercial Fireproofing in BC: What General Contractors Should Coordinate Before Spraying Starts\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application.jpg 800w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application-300x225.jpg 300w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/commercial-fireproofing-bc-pre-installation-coordination\/\" target=\"_self\" >Commercial Fireproofing in BC: What General Contractors Should Coordinate Before Spraying Starts<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A practical pre-installation checklist for general contractors coordinating spray-applied fireproofing on commercial and industrial projects in British Columbia, from substrate readiness and access to heating, sequencing and protection.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/commercial-fireproofing-bc-pre-installation-coordination\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-09-21T15:43:39+00:00\">September 21, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-29 post type-post status-publish format-standard has-post-thumbnail hentry category-insulation-building-science tag-air-sealing tag-lower-mainland tag-rim-joist-insulation tag-spray-foam-insulation\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/spray-foam-box-rim-joists-bc\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"669\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Spray Foam at Box Joists and Rim Joists: Why Air Sealing Matters in BC Homes\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam.webp 1024w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam-300x196.webp 300w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam-768x502.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/spray-foam-box-rim-joists-bc\/\" target=\"_self\" >Spray Foam at Box Joists and Rim Joists: Why Air Sealing Matters in BC Homes<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Box joists and rim joists can be major air-leakage points in BC homes. Learn how properly installed spray foam can improve air sealing, comfort, and thermal performance.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/spray-foam-box-rim-joists-bc\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-09-18T15:41:21+00:00\">September 18, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-22 post type-post status-publish format-standard has-post-thumbnail hentry category-insulation-building-science tag-concrete-lifting tag-concrete-repair tag-lower-mainland tag-slab-jacking tag-sunken-concrete\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/concrete-lifting-vs-replacement-slab-jacking-bc\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/concrete-foam-injection-closeup.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Concrete Lifting vs Replacement: When Slab Jacking Makes Sense in BC\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/concrete-foam-injection-closeup.jpg 600w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/concrete-foam-injection-closeup-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/concrete-lifting-vs-replacement-slab-jacking-bc\/\" target=\"_self\" >Concrete Lifting vs Replacement: When Slab Jacking Makes Sense in BC<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Sunken concrete does not always need to be torn out and replaced. Learn when concrete lifting or slab jacking can restore driveways, sidewalks and other slabs, and when replacement is the better choice.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/concrete-lifting-vs-replacement-slab-jacking-bc\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-09-16T15:12:46+00:00\">September 16, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-10 post type-post status-publish format-standard has-post-thumbnail hentry category-fireproofing tag-cementitious-fireproofing tag-commercial-fireproofing tag-intumescent-fireproofing tag-structural-steel-fireproofing\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/cementitious-vs-intumescent-fireproofing-bc\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Cementitious vs Intumescent Fireproofing: Which System Fits Your Project?\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application.jpg 800w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application-300x225.jpg 300w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/cementitious-fireproofing-application-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/cementitious-vs-intumescent-fireproofing-bc\/\" target=\"_self\" >Cementitious vs Intumescent Fireproofing: Which System Fits Your Project?<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A practical guide to choosing between cementitious and intumescent fireproofing for structural steel, commercial buildings, parkades, and industrial projects in British Columbia.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/cementitious-vs-intumescent-fireproofing-bc\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-09-15T00:35:19+00:00\">September 15, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><li class=\"wp-block-post post-6 post type-post status-publish format-standard has-post-thumbnail hentry category-insulation-building-science tag-air-sealing tag-attic-insulation tag-blown-in-insulation tag-british-columbia-homes\"><figure style=\"aspect-ratio:3\/2\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/division7.ca\/blog\/air-sealing-before-attic-insulation-bc\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"669\" src=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Why Air Sealing Matters Before Adding Attic Insulation in BC Homes\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam.webp 1024w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam-300x196.webp 300w, https:\/\/division7.ca\/blog\/wp-content\/uploads\/2026\/09\/attic-air-sealing-spray-foam-768x502.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><h2 class=\"wp-block-post-title\"><a href=\"https:\/\/division7.ca\/blog\/air-sealing-before-attic-insulation-bc\/\" target=\"_self\" >Why Air Sealing Matters Before Adding Attic Insulation in BC Homes<\/a><\/h2><div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">Adding more attic insulation can improve comfort and energy performance, but sealing air leaks first helps the insulation work as intended and can reduce drafts, heat loss, and moisture problems.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/division7.ca\/blog\/air-sealing-before-attic-insulation-bc\/\">Read full article<\/a><\/p><\/div><div class=\"wp-block-post-date\"><time datetime=\"2026-09-15T00:31:53+00:00\">September 15, 2026<\/time><\/div><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><\/li><\/ul><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u2190 Home Division 7 Contracting Blog Expert insights on insulation, spray foam, fireproofing and concrete lifting across British Columbia. Updated regularly with practical field guidance.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":"","rank_math_title":"","rank_math_description":"","rank_math_focus_keyword":"","_aioseop_title":"","_aioseop_description":""},"class_list":["post-18","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Blog - Division 7 Contracting Blog<\/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:\/\/division7.ca\/blog\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blog - Division 7 Contracting Blog\" \/>\n<meta property=\"og:description\" content=\"\u2190 Home Division 7 Contracting Blog Expert insights on insulation, spray foam, fireproofing and concrete lifting across British Columbia. Updated regularly with practical field guidance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/division7.ca\/blog\/\" \/>\n<meta property=\"og:site_name\" content=\"Division 7 Contracting Blog\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-16T15:44:54+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/division7.ca\\\/blog\\\/\",\"url\":\"https:\\\/\\\/division7.ca\\\/blog\\\/\",\"name\":\"Blog - Division 7 Contracting Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/division7.ca\\\/blog\\\/#website\"},\"datePublished\":\"2026-09-15T03:35:59+00:00\",\"dateModified\":\"2026-09-16T15:44:54+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/division7.ca\\\/blog\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/division7.ca\\\/blog\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/division7.ca\\\/blog\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/division7.ca\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blog\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/division7.ca\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/division7.ca\\\/blog\\\/\",\"name\":\"Division 7 Contracting Blog\",\"description\":\"Insulation, Spray Foam, Fireproofing &amp; Concrete Lifting Experts in BC\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/division7.ca\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Blog - Division 7 Contracting Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/division7.ca\/blog\/","og_locale":"en_US","og_type":"article","og_title":"Blog - Division 7 Contracting Blog","og_description":"\u2190 Home Division 7 Contracting Blog Expert insights on insulation, spray foam, fireproofing and concrete lifting across British Columbia. 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