{"id":40602,"date":"2023-10-30T10:48:59","date_gmt":"2023-10-30T10:48:59","guid":{"rendered":"http:\/\/rts.vents.co.uk\/blog\/?p=40602"},"modified":"2024-01-22T16:17:52","modified_gmt":"2024-01-22T16:17:52","slug":"product-of-the-month-november-2023","status":"publish","type":"post","link":"https:\/\/rts.vents.co.uk\/blog\/product-of-the-month-november-2023\/","title":{"rendered":"Product of the Month: November 2023"},"content":{"rendered":"<p>[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_single_image image=&#8221;40615&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text]<\/p>\n<h1 style=\"text-align: center;\">&#8211; Rytons Background Ventilators &#8211;<\/h1>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h3 style=\"text-align: center;\">The natural answer to controllable ventilation in habitable rooms<\/h3>\n<p>[\/vc_column_text][\/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; rt_padding_top=&#8221;0&#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;][vc_column_text]Natural ventilation with background ventilators is a cost-effective, non-mechanical means of introducing fresh outside air into habitable rooms.\u00a0 Fully controllable, with no running costs, background vents (also known as trickle vents) allow air to naturally dilute and discharge airborne pollutants and control moisture to reduce the risk of mould growth.[\/vc_column_text][vc_column_text]New build or retrofitting as part of the Government&#8217;s <em>Great British Insulation Scheme<\/em> or <em>Energy Company Obligation (ECO4)<\/em> scheme, Part F ventilation requirements are now <strong>8,000mm\u00b2 per habitable room<\/strong> in dwellings with multiple floors.\u00a0 Here are our top three tips for achieving compliant ventilation, together with Part B fire safety considerations.[\/vc_column_text][\/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]<\/p>\n<p style=\"text-align: left;\"><strong>1: Ensure each habitable room has enough ventilation<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\">It&#8217;s obvious, but we are often asked for advice on retrofitting background ventilation in rooms suffering from condensation issues caused by inadequate ventilation.\u00a0 Ventilation requirements changed in the 2022 update of Approved Document F &#8211; find current directives <a href=\"https:\/\/rts.vents.co.uk\/blog\/regulations-background-ventilation-in-england-wales\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-cke-saved-href=\"https:\/\/rts.vents.co.uk\/blog\/regulations-background-ventilation-in-england-wales\/\">here<\/a> on our extracts page.<\/p>\n<p>[\/vc_column_text][\/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; rt_padding_top=&#8221;0&#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;][vc_column_text]<strong>2: Use a combination of window trickle vents and through-wall sets<\/strong>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\">Most windows have trickle ventilators.\u00a0 However, it is unlikely that there will be enough room in the window, or enough windows in the room, to satisfy the whole ventilation requirement with these vents alone.\u00a0 Therefore, we recommend using the maximum amount of <strong><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/window-trickle-ventilators\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-cke-saved-href=\"https:\/\/rts.vents.co.uk\/blog\/products\/window-trickle-ventilators\/\">window trickle vents<\/a><\/strong> possible, then adding a Rytons <strong><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/aircore-and-airliner-sets\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-cke-saved-href=\"https:\/\/rts.vents.co.uk\/blog\/products\/aircore-and-airliner-sets\/\">controllable through-wall set<\/a><\/strong> where there is a ventilation shortfall.<\/p>\n<p>[\/vc_column_text][vc_column_text]Alternatively, and where window trickle vents are not installed, the entire ventilation requirement of the room can be achieved using options from our extensive background ventilation range.\u00a0 Rytons Super Acoustic Controllable LookRyt\u00ae AirCore\u00ae (<strong><a href=\"https:\/\/rts.vents.co.uk\/blog\/product-details\/aac125hp-rytons-super-acoustic-controllable-lookryt-aircore\/\" target=\"_blank\" rel=\"noopener noreferrer\">AAC125HP<\/a><\/strong> and <strong><a href=\"https:\/\/rts.vents.co.uk\/blog\/product-details\/aac125hpcw-rytons-cowled-super-acoustic-controllable-lookryt-aircore\/\" target=\"_blank\" rel=\"noopener noreferrer\">AAC125HPCWL<\/a><\/strong>) are popular core drilled sets, and there are also a variety of brick-size cavity liner options with an equivalent area exceeding 8,000mm\u00b2.[\/vc_column_text][\/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; 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;][vc_column_text]<\/p>\n<p style=\"text-align: left;\"><strong>3: Consider external noise<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: left;\">Ideally, background ventilation should remain open for continuous airflow.\u00a0 However, in homes close to sustained noise, e.g. near a busy road, the occupants may be tempted to close the vents for extended periods to help reduce disturbances.\u00a0 Where noise is a concern, use a Rytons <strong><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-cke-saved-href=\"https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/\">acoustic ventilation set<\/a><\/strong> &#8211; it provides the required airflow and lessens noise transfer for a more peaceful environment.<\/p>\n<p>[\/vc_column_text][\/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; 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;][vc_column_text]<\/p>\n<h5 style=\"text-align: center;\">Rytons Background Ventilation Range<\/h5>\n<p>[\/vc_column_text][\/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 width=&#8221;1\/3&#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;40669&#8243; img_size=&#8221;medium&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/products\/window-trickle-ventilators\/&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/window-trickle-ventilators\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Window Trickle Vents<\/em><\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#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;40668&#8243; img_size=&#8221;medium&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/products\/aircore-and-airliner-sets\/&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/aircore-and-airliner-sets\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Unsilenced Background Room Vents<\/em><\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#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;40726&#8243; img_size=&#8221;medium&#8221; alignment=&#8221;center&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/&#8221;][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Acoustic Background Room Vents<\/em><\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;default&#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 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]<\/p>\n<p style=\"text-align: left;\"><strong>Background Ventilation and Fire Safety<br \/>\n<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<div class=\"wpb_text_column wpb_content_element vc_custom_1697795021592\">\n<div class=\"wpb_wrapper\">\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-40455\" src=\"https:\/\/rts.vents.co.uk\/blog\/wp-content\/uploads\/logo-high-rise-72dpi.jpg\" alt=\"\" width=\"100\" height=\"140\" \/>Relevant buildings: High-rise residential buildings over 18m high (11m high in Scotland)<\/strong><\/p>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<div class=\"wpb_text_column wpb_content_element vc_custom_1697795021592\">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>Materials forming part of an external wall or specified attachment to be of European Classification A1 or A2-s1, d0.\u00a0 This can be achieved using products made of non-combustible materials within any space, forming part of the external wall.\u00a0 <a href=\"https:\/\/rts.vents.co.uk\/blog\/rytons-a1-fire-rated-metal-ventilation-range\/\" target=\"_blank\" rel=\"noopener noreferrer\">See Rytons A1\u00ae Fire-rated Metal Range<\/a> for HVAC supply and extract, or call our technical team on 01536 511874.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;default&#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 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]<strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-40458\" src=\"https:\/\/rts.vents.co.uk\/blog\/wp-content\/uploads\/logo-mid-rise-72dpi.jpg\" alt=\"\" width=\"67\" height=\"100\" \/>Residential purpose groups 1 and 2: more than 11m high (buildings where people sleep on the premises \u2013 residential, institutional or hospitality)<\/strong>[\/vc_column_text][vc_column_text]<\/p>\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>The external surfaces of external walls should comply with European Classification A2-s1, d0 or better.\u00a0 This can be achieved by using products made of non-combustible materials when fixed to, or passing through, the external surface of the external wall.\u00a0 Discuss your requirements with our technical sales office on 01536 511874 or email <a href=\"mailto:admin@rytons.com\" target=\"_blank\" rel=\"noopener noreferrer\">admin@rytons.com<\/a>.<\/p>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;default&#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 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]<strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-40460\" src=\"https:\/\/rts.vents.co.uk\/blog\/wp-content\/uploads\/logo-low-rise-72dpi.jpg\" alt=\"\" width=\"67\" height=\"57\" \/>Residential purpose groups 1 and 2: 11m high or less (buildings where people sleep on the premises \u2013 residential, institutional or hospitality)<\/strong>[\/vc_column_text][vc_column_text]<\/p>\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<p>The external surfaces of external walls within 1m of the relevant boundary should comply with European Classification B-s3, d2 or better.\u00a0 This can be achieved by using products made of non-combustible materials when fixed to or passing through the external surface of an external wall.\u00a0 Note: As plastic cannot meet the B-s3, d2 criteria, alternative metal products will be required.\u00a0 Discuss your options with our technical sales team on 01536 511874 or email <a href=\"mailto:admin@rytons.com\" target=\"_blank\" rel=\"noopener noreferrer\">admin@rytons.com<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/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]Should you have any queries or require further information regarding natural ventilation with background ventilators, please do not hesitate to 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>.[\/vc_column_text][\/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_single_image image=&#8221;29171&#8243; img_size=&#8221;500X37&#8243; alignment=&#8221;center&#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;&#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; rt_padding_top=&#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; css=&#8221;.vc_custom_1627393366355{padding-top: 20px !important;padding-bottom: 20px !important;background-color: #dd3333 !important;}&#8221;][vc_column_text]<\/p>\n<h6 style=\"text-align: center;\"><span style=\"color: #ffffff;\">Rytons is proud to be a family run business and \u0003British manufacturer since 1972<\/span><\/h6>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[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_single_image image=&#8221;40615&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221;][vc_column_text] &#8211; Rytons Background Ventilators &#8211; [\/vc_column_text][vc_column_text] The natural answer to controllable ventilation in habitable rooms [\/vc_column_text][\/vc_column][\/vc_row][vc_row rt_row_background_width=&#8221;default&#8221; 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