{"id":4986,"date":"2026-02-24T16:40:07","date_gmt":"2026-02-24T15:40:07","guid":{"rendered":"https:\/\/avant4degres.fr\/?page_id=4986"},"modified":"2026-08-14T13:53:26","modified_gmt":"2026-08-14T11:53:26","slug":"le-platre","status":"publish","type":"page","link":"https:\/\/avant4degres.fr\/en\/le-platre\/","title":{"rendered":"Le pl\u00e2tre"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4986\" class=\"elementor elementor-4986\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0922ed6 e-flex e-con-boxed e-con e-parent\" data-id=\"0922ed6\" 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-0c46f0c elementor-widget elementor-widget-heading\" data-id=\"0c46f0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Le pl\u00e2tre<\/h1>\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-e9c4b46 e-flex e-con-boxed e-con e-parent\" data-id=\"e9c4b46\" 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-9e514bb elementor-widget elementor-widget-text-editor\" data-id=\"9e514bb\" 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<p><em>9 mars 2026<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42e8a54 elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"42e8a54\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carrousel d\u2019images\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre2-300x300.png\" alt=\"Pl\u00e2tre2\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre3-300x300.jpg\" alt=\"Pl\u00e2tre3\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre4-300x300.jpg\" alt=\"Pl\u00e2tre4\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre5-300x300.jpg\" alt=\"Pl\u00e2tre5\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"5 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre6-300x300.jpg\" alt=\"Pl\u00e2tre6\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"6 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre7-300x300.jpg\" alt=\"Pl\u00e2tre7\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"7 of 7\" data-no-translation-aria-label=\"\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/avant4degres.fr\/wp-content\/uploads\/2026\/02\/Platre8-300x300.jpg\" alt=\"Pl\u00e2tre8\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\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-b7a4c9c elementor-widget elementor-widget-text-editor\" data-id=\"b7a4c9c\" 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<p>Le pl\u00e2tre est un liant tr\u00e8s r\u00e9pandu en r\u00e9gion parisienne o\u00f9 <b>de nombreux b\u00e2timents anciens sont hourdis et enduits au pl\u00e2tre<\/b>. Le plafond en bacula n\u2019est rien de moins qu\u2019un lattis enduit de pl\u00e2tre. Au XIXe si\u00e8cle, plus d\u2019une centaine de platri\u00e8res (et non pas pl\u00e2treries \u261d) exploitaient les gisements de gypse autour de Paris. Aujourd\u2019hui, il n\u2019en reste qu\u2019une seule, la platri\u00e8re Vieujot \u00e0 Soisy-sous-Montmorency dans le Val-d\u2019Oise.<\/p><p>Le pl\u00e2tre est issu de la <strong>transformation du gypse<\/strong> dont vous pouvez admirer un magnifique sp\u00e9cimen sur la premi\u00e8re photo. Il est <strong>chauff\u00e9 \u00e0 150\u00b0C<\/strong> afin de permettre l\u2019\u00e9vaporation de l\u2019eau, puis broy\u00e9 et tamis\u00e9. Le pl\u00e2tre gros peut ainsi contenir des impuret\u00e9s comme des fragments de gypse ou de charbon.<\/p><p>Ce mat\u00e9riau est appr\u00e9ci\u00e9 pour sa blancheur, sa <b>perm\u00e9abilit\u00e9 \u00e0 la vapeur d\u2019eau<\/b>, son <b>t<\/b><strong>emps de prise r\u00e9gulable<\/strong>, son <b>absence de retrait<\/b> et son <b>caract\u00e8re ininflammable<\/b>. Mais comme la terre, <strong>le pl\u00e2tre craint l\u2019eau<\/strong>. Pour une mise en \u0153uvre \u00e0 l\u2019ext\u00e9rieur, un d\u00e9bord de toit et un soubassement sont indispensables.<\/p><p>Associ\u00e9 au m\u00e9tier de <b>staffeur-orn\u00e9maniste<\/b>, le pl\u00e2tre \u00e9voque les moulures des plafonds des appartements haussmanniens, avec une connotation plut\u00f4t luxueuse et patrimoniale. Pourtant, il a aussi sa place dans des chantiers de r\u00e9novation plus modestes, <strong>seul ou associ\u00e9 \u00e0 la chaux ou \u00e0 la terre<\/strong>.<\/p><p>Le pl\u00e2tre est naturellement blanc, mais il peut aussi \u00eatre <b>color\u00e9<\/b> \u00e0 l&rsquo;aide de pigments, comme l\u2019illustrent les diff\u00e9rents \u00e9chantillons en photos. La finition la plus embl\u00e9matique du pl\u00e2tre est le \u00ab\u00a0<strong>coup\u00e9 Berthelet<\/strong>\u00a0\u00bb, du nom de l\u2019outil \u00e9ponyme visible sur la derni\u00e8re photo, mais il peut aussi \u00eatre liss\u00e9.<\/p><p>\ud83d\udcf7 Les photos ont \u00e9t\u00e9 prises lors d\u2019une visite \u00e0 la <a href=\"https:\/\/vieujot.org\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\">pl\u00e2trerie Vieujot<\/span><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e7f199 elementor-align-center elementor-mobile-align-right elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"8e7f199\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/avant4degres.fr\/en\/realisation-denduits-en-terre-crue-et-a-la-chaux\/\" target=\"_blank\">\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\">Je veux en savoir plus sur les enduits<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Le pl\u00e2tre 9 mars 2026 Le pl\u00e2tre est un liant tr\u00e8s r\u00e9pandu en r\u00e9gion parisienne o\u00f9 de nombreux b\u00e2timents anciens sont hourdis et enduits au pl\u00e2tre. Le plafond en bacula n\u2019est rien de moins qu\u2019un lattis enduit de pl\u00e2tre. Au XIXe si\u00e8cle, plus d\u2019une centaine de platri\u00e8res (et non pas pl\u00e2treries \u261d) exploitaient les gisements [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_front_end_style_editor":"no","ocean_post_layout":"full-width","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"off","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"off","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","footnotes":""},"class_list":["post-4986","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le pl\u00e2tre - Avant 4 degr\u00e9s<\/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:\/\/avant4degres.fr\/en\/le-platre\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le pl\u00e2tre - Avant 4 degr\u00e9s\" \/>\n<meta property=\"og:description\" content=\"Le pl\u00e2tre 9 mars 2026 Le pl\u00e2tre est un liant tr\u00e8s r\u00e9pandu en r\u00e9gion parisienne o\u00f9 de nombreux b\u00e2timents anciens sont hourdis et enduits au pl\u00e2tre. Le plafond en bacula n\u2019est rien de moins qu\u2019un lattis enduit de pl\u00e2tre. 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Le plafond en bacula n\u2019est rien de moins qu\u2019un lattis enduit de pl\u00e2tre. 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