{"id":24515,"date":"2020-01-06T10:13:10","date_gmt":"2020-01-06T10:13:10","guid":{"rendered":"http:\/\/rts.vents.co.uk\/blog\/?page_id=24515"},"modified":"2026-10-08T10:04:27","modified_gmt":"2026-10-08T10:04:27","slug":"rytons-a1-fire-rated-metal-ventilation-range","status":"publish","type":"page","link":"https:\/\/rts.vents.co.uk\/blog\/rytons-a1-fire-rated-metal-ventilation-range\/","title":{"rendered":"Rytons A1\u00ae Fire-rated Metal Ventilation Range"},"content":{"rendered":"<p>[vc_row rt_row_background_width=&#8221;fullwidth&#8221; rt_row_content_width=&#8221;fullwidth&#8221; rt_row_style=&#8221;light-style&#8221; rt_row_borders=&#8221;&#8221; rt_row_paddings=&#8221;true&#8221; rt_bg_image=&#8221;43410&#8243; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;no-repeat&#8221; rt_bg_size=&#8221;cover&#8221; rt_bg_position=&#8221;center center&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_video_format=&#8221;self-hosted&#8221; full_width=&#8221;stretch_row_content&#8221; css=&#8221;.vc_custom_1478008042758{background-image: url(https:\/\/rts.vents.co.uk\/blog\/wp-content\/uploads\/hero-section-with-opacity-3379.jpg?id=21143) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221; rt_row_height=&#8221;400&#8243; rt_padding_bottom=&#8221;0&#8243;][vc_column rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;]<div class=\"button_wrapper  aligncenter\"><a  href=\"\" target=\"_self\" title=\"Rytons A1\u00ae Fire-rated Range\" class=\"button_  body-font default big\" style=\"font-size:30px;\">Rytons A1\u00ae Fire-rated Range<\/a><\/div>[\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;default&#8221; rt_row_style=&#8221;default-style&#8221; rt_row_borders=&#8221;&#8221; rt_row_paddings=&#8221;true&#8221; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;cover&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_video_format=&#8221;self-hosted&#8221;][vc_column rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<p style=\"text-align: center;\">Rytons is proud to be the market leading manufacturer of Class A1 rated metal ventilation systems, enabling you to choose from a wide range of products to meet the fire safety requirements of your building. If you don\u2019t see a product in our extensive A1 range to suit your application, Rytons A1\u00ae Special Service allows you to work with our experienced technical design team to modify existing products or create bespoke pieces from technical drawings. For further information, please call our technical sales office on <strong>01536 511874<\/strong> or email <a href=\"mailto:admin@rytons.com\" target=\"_blank\" rel=\"noopener noreferrer\">admin@rytons.com<\/a>.<\/p>\n<p style=\"text-align: center;\">For your convenience, we have outlined below extracts from <span class=\"markedContent\"><span id=\"page3213R_mcid4\" class=\"markedContent\"><span dir=\"ltr\" role=\"presentation\">The Building Regulations, <a href=\"https:\/\/rts.vents.co.uk\/blog\/regulations-fire-safety-in-england-wales\/\" target=\"_blank\" rel=\"noopener noreferrer\">Approved Document B: Fire safety<\/a><\/span><\/span><\/span>.<\/p>\n<p>[\/vc_column_text][vc_btn title=&#8221;Tech Talk: Reaction to Fire v Resistance to Fire&#8221; color=&#8221;inverse&#8221; align=&#8221;center&#8221; i_icon_fontawesome=&#8221;fas fa-fire&#8221; css=&#8221;&#8221; add_icon=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Frts.vents.co.uk%2Fblog%2Ftech-talk-reaction-to-fire-v-resistance-to-fire%2F|target:_blank&#8221;][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;fullwidth&#8221; rt_row_content_width=&#8221;fullwidth&#8221; rt_row_style=&#8221;default-style&#8221; rt_row_borders=&#8221;bottom&#8221; rt_equal_heights=&#8221;true&#8221; rt_row_paddings=&#8221;true&#8221; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;cover&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_video_format=&#8221;self-hosted&#8221;][vc_column width=&#8221;1\/12&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_single_image image=&#8221;42420&#8243; alignment=&#8221;center&#8221;][\/vc_column][vc_column width=&#8221;3\/12&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;no-repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_color=&#8221;#d9e1e2&#8243;][vc_column_text css=&#8221;.vc_custom_1706716372111{padding-top: 10px !important;}&#8221;]<strong>HIGH-RISE<\/strong><\/p>\n<p><strong>RELEVANT BUILDINGS: <\/strong><strong>Residential buildings over 18m high (11m high in Scotland)<\/strong><\/p>\n<p><strong>RETROFIT: Residential buildings 11m high and above, undergoing unsafe cladding remediation work<\/strong>[\/vc_column_text][vc_column_text]<strong>REGULATION: Materials forming part of an external wall or specified attachment to be of European Classification A1 or A2-s1, d0.<\/strong>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1706712688833{padding-bottom: 10px !important;}&#8221;]<strong>ACHIEVED BY: Using products made of non-combustible materials within any space, forming part of the external wall.<\/strong>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/12&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_single_image image=&#8221;42416&#8243; alignment=&#8221;center&#8221;][\/vc_column][vc_column width=&#8221;3\/12&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_color=&#8221;#d9e1e2&#8243;][vc_column_text css=&#8221;.vc_custom_1709642671405{padding-top: 10px !important;}&#8221;]<\/p>\n<p style=\"text-align: left;\"><strong>RESIDENTIAL PURPOSE GROUPS 1 &amp; 2: MORE THAN 11M HIGH<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1706716619356{background-color: #d9e1e2 !important;}&#8221;]<\/p>\n<p style=\"text-align: left;\"><strong>Buildings where people sleep on the premises<br \/>\n(r<\/strong><strong>esidential, institutional or hospitality)<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<strong>REGULATION: The external surfaces of external walls should comply with European Classification A2-s1, d0 or better.<br \/>\n<\/strong>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\"><strong>ACHIEVED BY: Using products made of non-combustible materials when fixed to, or passing through, the external surface of the external wall.<\/strong><\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/12&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_single_image image=&#8221;42415&#8243; alignment=&#8221;center&#8221;][\/vc_column][vc_column width=&#8221;3\/12&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_color=&#8221;#d9e1e2&#8243;][vc_column_text css=&#8221;.vc_custom_1706716710152{padding-top: 10px !important;background-color: #d9e1e2 !important;}&#8221;]<\/p>\n<p style=\"text-align: left;\"><strong>RESIDENTIAL PURPOSE GROUPS 1 &amp; 2: 11M HIGH OR LESS<br \/>\n<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\"><strong>Buildings where people sleep on the premises<br \/>\n(residential, institutional or hospitality)<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\"><strong>REGULATION: The external surfaces of external walls within 1m of the relevant boundary should comply with European Classification B-s3, d2 or better.<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\"><strong>ACHIEVED BY: Using products made of non-combustible materials when fixed to or passing through the external surface of an external wall. Note: As plastic cannot meet the B-s3, d2 criteria, alternative metal products will be required.<\/strong><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;fullwidth&#8221; rt_row_content_width=&#8221;fullwidth&#8221; rt_row_style=&#8221;default-style&#8221; rt_row_borders=&#8221;top,bottom&#8221; rt_grid=&#8221;true&#8221; rt_row_paddings=&#8221;true&#8221; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;cover&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_video_format=&#8221;self-hosted&#8221;][vc_column width=&#8221;1\/4&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_custom_heading text=&#8221;Rytons A1\u00ae Fire-rated Ducting Kits 110mm x 54mm with Single Air Bricks &gt;&gt;&#8221; font_container=&#8221;tag:h6|font_size:17|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221; link=&#8221;url:https%3A%2F%2Frts.vents.co.uk%2Fblog%2Fproduct-details%2Frytons-a1-fire-rated-ducting-kits-110mm-x-54mm-with-single-air-bricks%2F|target:_blank&#8221;][vc_single_image image=&#8221;47614&#8243; img_size=&#8221;large&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; css=&#8221;&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/product-details\/rytons-a1-fire-rated-ducting-kits-110mm-x-54mm-with-single-air-bricks\/&#8221;][\/vc_column][vc_column width=&#8221;1\/4&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; 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rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_custom_heading text=&#8221;Rytons A1\u00ae Fire-rated Ducting Kits 204mm x 60mm with Single Air Bricks &gt;&gt;&#8221; font_container=&#8221;tag:h6|font_size:17|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221; link=&#8221;url:https%3A%2F%2Frts.vents.co.uk%2Fblog%2Fproduct-details%2Frytons-a1-fire-rated-ducting-kits-204mm-x-60mm-with-single-air-bricks%2F|target:_blank&#8221;][vc_single_image image=&#8221;47654&#8243; img_size=&#8221;large&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; css=&#8221;&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/product-details\/rytons-a1-fire-rated-ducting-kits-204mm-x-60mm-with-single-air-bricks\/&#8221;][\/vc_column][vc_column width=&#8221;1\/4&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_custom_heading text=&#8221;Rytons A1\u00ae Fire-rated Retrofit Ducting Kits 204mm x 60mm with Single Air Bricks &gt;&gt;&#8221; font_container=&#8221;tag:h6|font_size:17|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221; link=&#8221;url:https%3A%2F%2Frts.vents.co.uk%2Fblog%2Fproduct-details%2Frytons-a1-fire-rated-retrofit-ducting-kits-204mm-x-60mm-with-single-air-bricks%2F|target:_blank&#8221;][vc_single_image image=&#8221;49228&#8243; 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img_size=&#8221;large&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; css=&#8221;&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/product-details\/rytons-a1-fire-rated-metal-air-bricks-for-pufv\/&#8221;][\/vc_column][vc_column width=&#8221;1\/4&#8243; rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; rt_border_top_mobile=&#8221;&#8221; rt_border_bottom_mobile=&#8221;&#8221; rt_border_left_mobile=&#8221;&#8221; rt_border_right_mobile=&#8221;&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_custom_heading text=&#8221;Rytons A1\u00ae Fire-rated Sheet Rolled Tube &gt;&gt;&#8221; font_container=&#8221;tag:h6|font_size:17|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221; css=&#8221;&#8221; link=&#8221;url:https%3A%2F%2Frts.vents.co.uk%2Fblog%2Fproduct-details%2Frytons-a1-fire-rated-sheet-rolled-tube%2F|target:_blank&#8221;][vc_single_image image=&#8221;45941&#8243; 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rt_bg_size=&#8221;auto auto&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221;][vc_btn title=&#8221;Got a question? Call 01536 511874 or email us here.&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#666666&#8243; outline_custom_hover_background=&#8221;#d9e1e2&#8243; outline_custom_hover_text=&#8221;#666666&#8243; shape=&#8221;round&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; link=&#8221;url:https%3A%2F%2Frts.vents.co.uk%2Fblog%2Fgot-a-question%2F|title:Email%20a%20question|target:%20_blank|&#8221;][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;default&#8221; rt_row_style=&#8221;default-style&#8221; rt_row_borders=&#8221;&#8221; rt_row_paddings=&#8221;true&#8221; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;cover&#8221; rt_bg_position=&#8221;right top&#8221; rt_bg_attachment=&#8221;scroll&#8221; rt_bg_video_format=&#8221;self-hosted&#8221;][vc_column rt_wrp_col_paddings=&#8221;false&#8221; rt_border_top=&#8221;&#8221; rt_border_bottom=&#8221;&#8221; rt_border_left=&#8221;&#8221; rt_border_right=&#8221;&#8221; 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