{"id":1369,"date":"2025-12-23T13:25:27","date_gmt":"2025-12-23T05:25:27","guid":{"rendered":"https:\/\/bomissteel.com\/?post_type=product&#038;p=1369"},"modified":"2026-09-22T15:36:49","modified_gmt":"2026-09-22T07:36:49","slug":"blue-ppgi-roofing-sheet-z30","status":"publish","type":"product","link":"https:\/\/www.bomissteel.com\/ln\/product\/blue-ppgi-roofing-sheet-z30\/","title":{"rendered":"Tole ya nsamba ya PPGI ya bule"},"content":{"rendered":"<h2>Blue PPGI Roofing Sheet: Vibrant Aesthetics with Reliable Z30 Galvanized ProtectionOur Blue PPGI<\/h2>\n<p>Roofing Sheets are engineered to provide a striking architectural finish combined with the fundamental protection of hot-dip galvanized steel. Specifically utilizing a Z30 ($30g\/m^2$) zinc-coated substrate, these sheets are the optimal choice for cost-sensitive projects such as temporary housing, interior partitions, and agricultural sheds in mild environments.<br \/>\nBomis Steel combines high-precision color-matching technology with a durable paint system to deliver a roofing solution that is as reliable as it is visually appealing.<br \/>\nZ30 Substrate: Optimized for Cost-EfficiencyThe &#8220;Z30&#8221; designation is a strategic choice for specific engineering needs. Under the JIS G3312 or EN 10346 standards, this substrate offers:Targeted Corrosion Resistance: The $30g\/m^2$ zinc layer provides essential sacrificial protection for the steel core, preventing rapid oxidation in controlled atmospheric conditions.Superior Lightweight Profile: By optimizing the zinc mass, these sheets remain lightweight, reducing the structural load on building frames and lowering overall logistics costs. 1mm Aluminium Sheet<\/p>\n<h2 data-path-to-node=\"11\">Precision Corrugation &amp; Durability<\/h2>\n<ul data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\"><b data-path-to-node=\"12,0,0\" data-index-in-node=\"0\">Anti-Cracking Technology:<\/b> Despite being a prepainted product, our sheets undergo precision corrugation that maintains a <b data-path-to-node=\"12,0,0\" data-index-in-node=\"120\">0T-3T bend rating<\/b>, ensuring no paint peeling or micro-cracking at the ribs of the waves.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\"><b data-path-to-node=\"12,1,0\" data-index-in-node=\"0\">Water Drainage Design:<\/b> The profile is engineered to facilitate rapid water runoff, preventing moisture accumulation and extending the lifespan of the Z30 substrate.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,2,0\"><b data-path-to-node=\"12,2,0\" data-index-in-node=\"0\">Easy Installation:<\/b> These sheets are designed for quick overlap and secure fastening, significantly reducing onsite labor time.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"13\">Technical Specifications Summary<\/h2>\n<table data-path-to-node=\"14\">\n<thead>\n<tr>\n<td><strong>Eloko ya ntina<\/strong><\/td>\n<td><strong>Ndimbola<\/strong><\/td>\n<td><strong>Compliance Standard<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"14,1,0,0\"><b data-path-to-node=\"14,1,0,0\" data-index-in-node=\"0\">Product Type<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,1,1,0\">Prepainted Galvanized (PPGI)<\/span><\/td>\n<td><span data-path-to-node=\"14,1,2,0\">JIS G3312 \/ EN 10346<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,2,0,0\"><b data-path-to-node=\"14,2,0,0\" data-index-in-node=\"0\">Langi<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,2,1,0\">RAL 5015 \/ RAL 5012 \/ Custom Blue<\/span><\/td>\n<td><span data-path-to-node=\"14,2,2,0\">High UV Resistance<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,3,0,0\"><b data-path-to-node=\"14,3,0,0\" data-index-in-node=\"0\">Bopakoli ya zinc<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,3,1,0\">Z30 (<span class=\"math-inline\" data-math=\"30g\/m^2\" data-index-in-node=\"5\">$30g\/m^2$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"14,3,2,0\">Kopakola zinc na mafuta ya moto<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,4,0,0\"><b data-path-to-node=\"14,4,0,0\" data-index-in-node=\"0\">Etando ya bonene<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,4,1,0\">0.12mm &#8211; 0.50mm<\/span><\/td>\n<td><span data-path-to-node=\"14,4,2,0\">Precision Micrometric<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,5,0,0\"><b data-path-to-node=\"14,5,0,0\" data-index-in-node=\"0\">Paint Finish<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,5,1,0\">PE \/ SMP \/ Matte<\/span><\/td>\n<td><span data-path-to-node=\"14,5,2,0\"><span class=\"math-inline\" data-math=\"Delta E leq 1.0\" data-index-in-node=\"0\">$Delta E leq 1.0$<\/span> Consistency<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,6,0,0\"><b data-path-to-node=\"14,6,0,0\" data-index-in-node=\"0\">Corrugation Profile<\/b><\/span><\/td>\n<td><span data-path-to-node=\"14,6,1,0\">Circular \/ Trapezoidal \/ IBR<\/span><\/td>\n<td><span data-path-to-node=\"14,6,2,0\">High Rigidity<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Etaleli ya biloko<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-1371 alignleft\" src=\"https:\/\/bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07.jpg\" alt=\"GB\/T 12754 Baplati ya nsamba ya galvanis\u00e9 oyo bapakoli langi liboso\" width=\"370\" height=\"370\" srcset=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07.jpg 1076w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-300x300.jpg 300w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-1024x1024.jpg 1024w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-150x150.jpg 150w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-768x768.jpg 768w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-500x500.jpg 500w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-600x600.jpg 600w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-07-100x100.jpg 100w\" sizes=\"(max-width: 370px) 100vw, 370px\" \/><img decoding=\"async\" class=\"wp-image-1372 alignleft\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3.jpg\" alt=\"GB\/T 12754 Baplati ya nsamba ya galvanis\u00e9 oyo bapakoli langi liboso\" width=\"370\" height=\"370\" srcset=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3.jpg 800w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3-300x300.jpg 300w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3-150x150.jpg 150w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3-768x768.jpg 768w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3-500x500.jpg 500w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3-600x600.jpg 600w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2025\/12\/Main-05-3-100x100.jpg 100w\" sizes=\"(max-width: 370px) 100vw, 370px\" \/><\/p>\n<div style=\"clear: both\"><\/div>\n<h2>Mituna oyo etunamaka mingi<\/h2>\n<p>&nbsp;<\/p>\n<p><strong>1. What does &#8220;Z30&#8221; mean for a Blue PPGI roofing sheet?<\/strong><\/p>\n<p>The Z30 designation refers to the weight of the zinc coating on the base steel, which is $30g\/m^2$ (total on both sides). This is a light-duty galvanized substrate designed for cost-efficiency. It provides sufficient sacrificial protection for the steel core in mild climates or indoor applications, making it the most economical choice for projects where budget is the primary consideration.<\/p>\n<p><strong>2. Is the blue color on the PPGI sheet resistant to fading?<\/strong><\/p>\n<p>Yes. Our blue PPGI sheets utilize high-quality Polyester (PE) or SMP paints with specialized UV-resistant pigments. While all color-coated steel will eventually experience some weathering, our coating process ensures high color retention (with a low $Delta E$ value). For projects in areas with extreme sunlight, we recommend choosing our Matt Blue or HDP options for even greater resistance to chalking and fading.<\/p>\n<p><strong>3. Where is Z30 Blue PPGI roofing most commonly used?<\/strong><\/p>\n<p>Due to its lightweight and cost-effective nature, Z30 grade PPGI is ideal for:Temporary site housing and worker dormitories.Interior decorative wall panels or partitions.Agricultural sheds and warehouses in low-corrosive, non-coastal environments.Projects requiring a vibrant aesthetic on a limited budget.<\/p>\n<p><strong>4. Can 0.12mm &#8211; 0.15mm thin blue roofing sheets withstand heavy rain?<\/strong><\/p>\n<p>Despite being thin, our sheets are produced with high-tensile base steel. When roll-formed into a corrugated or trapezoidal profile, the structural rigidity increases significantly. This &#8220;light but strong&#8221; profile allows the sheets to handle standard rain and wind loads effectively while reducing the overall weight on the building&#8217;s support structure.<\/p>\n<p><strong>5. Does the paint crack when the Blue PPGI sheet is bent or corrugated?<\/strong><\/p>\n<p>No. Our Blue PPGI coils undergo a rigorous T-bend test (typically 0T-3T). The paint system is formulated with high flexibility to ensure that the coating remains perfectly adhered to the Z30 zinc layer without cracking or peeling, even at the sharpest points of the roofing wave.<\/p>\n<h2>Ndanga<\/h2>\n<div data-elementor-type=\"section\" data-elementor-id=\"4180\" class=\"elementor elementor-4180\" data-elementor-post-type=\"elementor_library\">\n<div class=\"elementor-element elementor-element-8e107b1 e-grid e-con-boxed e-con e-parent\" data-id=\"8e107b1\" data-element_type=\"container\" data-e-type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-929aef8 elementor-widget elementor-widget-image\" data-id=\"929aef8\" 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<img decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/03\/certification-scaled-1-724x1024.jpg\" class=\"attachment-large size-large wp-image-3485\" alt=\"Certification ya monene\" srcset=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/03\/certification-scaled-1-724x1024.jpg 724w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/03\/certification-scaled-1-212x300.jpg 212w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/03\/certification-scaled-1-768x1086.jpg 768w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/03\/certification-scaled-1-600x849.jpg 600w, https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/03\/certification-scaled-1.jpg 794w\" sizes=\"(max-width: 724px) 100vw, 724px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-a9a3d67 elementor-widget elementor-widget-image\" data-id=\"a9a3d67\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/verification-of-conformity.webp\" title=\"\" alt=\"Certificat ya ICR ya v\u00e9rification ya conformit\u00e9 mpo na plaque ya zinc alumini\u00e9 ya BOMIS kolanda norme EN 10088-4\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-a0d3426 elementor-widget elementor-widget-image\" data-id=\"a0d3426\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/SGS-1.webp\" title=\"\" alt=\"Lapolo ya teste ya RoHS ya SGS TSNRS2302003702 mpo na nkasa ya ebende ya BOMIS oyo epakolami na aluminium na zinc na kotiya na kati ya eloko ya moto - lokasa 1 na 4\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-f5cea88 elementor-widget elementor-widget-image\" data-id=\"f5cea88\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/SGS-2.webp\" title=\"\" alt=\"Lapolo ya teste ya RoHS ya SGS TSNRS2302003702 mpo na nkasa ya ebende ya BOMIS oyo epakolami na aluminium na zinc na kot\u00edya na kati ya eloko ya moto - lokasa 2 na kati ya 4\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-6e1af1a elementor-widget elementor-widget-image\" data-id=\"6e1af1a\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/SGS-3.webp\" title=\"\" alt=\"Lapolo ya teste ya RoHS ya SGS TSNRS2302003702 mpo na nkasa ya ebende ya BOMIS oyo bapakoli zinc na aluminium na molunge - lokasa 3 na 4\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-7e2dc9a elementor-widget elementor-widget-image\" data-id=\"7e2dc9a\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/SGS-4.webp\" title=\"\" alt=\"Lapolo ya teste ya RoHS ya SGS TSNRS2302003702 mpo na nkasa ya ebende ya BOMIS oyo bapakoli aluminium na zinc na kot\u00edyama na kati ya mafuta ya moto - lokasa 4 likolo ya 4, foto ya \u00e9chantillon\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-8844059 elementor-widget elementor-widget-image\" data-id=\"8844059\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/SGS-5.webp\" title=\"\" alt=\"Lapolo ya teste ya antibacterien ya SGS QDF22-068805-02 mpo na t\u0254le ya ebende ya BOMIS ya langi ya mp\u025bmb\u025b, ya polyester mpe ya koboma ba bact\u00e9ries - lokasa 1 na 4\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<div class=\"elementor-element elementor-element-f6d19ba elementor-widget elementor-widget-image\" data-id=\"f6d19ba\" 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<img decoding=\"async\" src=\"https:\/\/www.bomissteel.com\/wp-content\/uploads\/2026\/04\/SGS-6.webp\" title=\"\" alt=\"Lapolo ya teste ya antibacterien ya SGS QDF22-068805-02 mpo na t\u0254le ya ebende ya BOMIS ya langi ya mp\u025bmb\u025b, ya polyester mpe ya koboma ba bact\u00e9ries - lokasa 2 na kati ya 4\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Esika ya ebandeli<\/strong>Shandong, Chine<\/p>\n<p><strong>Ntango ya bokabeli<\/strong>: mikolo ntuku mibale<\/p>\n<p><strong>Makoki ya kopesa<\/strong>:    Toni nk\u00f3to mitano na sanza<\/p>\n<p><strong>l\u00e1ngi<\/strong>Tokoki kobongisa langi kolanda \u00e9chantillon na yo mpe tablo ya balangi ya RAL.<\/p>\n<p><strong>Motango ya nse oyo esengeli koteka<\/strong>:    Tonne 18<\/p>\n<p>Motango ekeseni ya biloko ya kosomba na ebandeli ememaka ntalo ekeseni ya biloko.<\/p>\n<p>Soki ozali na mposa na yango, tobondeli yo, benga service na biso ya bakiliya noki lokola ekoki kosalema.<\/p>","protected":false},"featured_media":4051,"template":"","meta":{"rank_math_title":"Blue PPGI Roofing Sheet | Z30 Galvanized Steel | Bomis","rank_math_description":"Premium blue PPGI roofing sheets from Bomis Steel. Features a Z30 hot-dipped galvanized base for cost-effective corrosion resistance. Durable color coating and lightweight profile for easy installation. ","rank_math_canonical_url":"","rank_math_focus_keyword":""},"product_brand":[],"product_cat":[36],"product_tag":[],"class_list":["post-1369","product","type-product","status-publish","has-post-thumbnail","product_cat-ppgi-roof-sheet","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product\/1369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":9,"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product\/1369\/revisions"}],"predecessor-version":[{"id":7847,"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product\/1369\/revisions\/7847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/media\/4051"}],"wp:attachment":[{"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/media?parent=1369"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product_brand?post=1369"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product_cat?post=1369"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.bomissteel.com\/ln\/wp-json\/wp\/v2\/product_tag?post=1369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}