{"id":376104,"date":"2024-10-20T02:46:39","date_gmt":"2024-10-20T02:46:39","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-21-30434765-dc\/"},"modified":"2024-10-26T04:53:11","modified_gmt":"2024-10-26T04:53:11","slug":"bsi-21-30434765-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-21-30434765-dc\/","title":{"rendered":"BSI 21\/30434765 DC"},"content":{"rendered":"<p>This document specifies the characteristics of performance for single and multi-wall system chimneys with rigid metal liners composed of chimney sections, chimney fittings, terminals and supports with nominal diameter up to and including 1&nbsp;200&nbsp;mm, used to convey the products of combustion from appliances to the outside atmosphere.<\/p>\n<p>This document also specifies characteristics for the air supply ducts of concentric chimneys for room-sealed application, made out of metal or plastic (without fibre stabilization).<\/p>\n<p>Additionally, it specifies assessment and verification of constancy of performance (AVCP).<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;1\n <\/div>\n<p>Metal liners and metal connecting flue pipes, not covered, are included in <span class=\"std\"><span class=\"std-ref\">prEN&nbsp;1856\u20112:2021<\/span><\/span>.<\/p>\n<\/div>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n  NOTE&nbsp;2\n <\/div>\n<p>This document does not apply to structurally independent chimneys.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN 1856-1. Chimneys. Requirements for metal chimneys &#8211; Part 1. System chimney products<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2021<\/td>\n<td>86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":376113,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1239,2641],"product_tag":[],"class_list":{"0":"post-376104","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-060-40","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/376104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/376113"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=376104"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=376104"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=376104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}