{"id":35517,"date":"2022-07-26T11:22:52","date_gmt":"2022-07-26T11:22:52","guid":{"rendered":"http:\/\/rts.vents.co.uk\/blog\/?page_id=35517"},"modified":"2024-04-10T08:55:52","modified_gmt":"2024-04-10T08:55:52","slug":"regulations-background-ventilation-in-england-wales","status":"publish","type":"page","link":"https:\/\/rts.vents.co.uk\/blog\/regulations-background-ventilation-in-england-wales\/","title":{"rendered":"Regulations: Background Ventilation in England &#038; Wales"},"content":{"rendered":"<p>[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_image=&#8221;22258&#8243; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;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; rt_row_height=&#8221;450&#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_custom_heading source=&#8221;post_title&#8221; use_theme_fonts=&#8221;yes&#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; rt_padding_bottom=&#8221;0&#8243;][vc_column width=&#8221;5\/6&#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_column_text]<\/p>\n<h5>Introduction<\/h5>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/6&#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_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 width=&#8221;5\/6&#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_column_text]The provision of background ventilation via through-wall ventilators and window trickle ventilators is a cost-effective, non-mechanical means of introducing fresh outside air into habitable rooms. Easy to operate and fully controllable, natural background ventilators dilute and remove airborne pollutants (including odours) from rooms and control moisture to reduce the risk of mould growths which can be a health hazard to the occupants. For your convenience, we have outlined below extracts from the following regulations:[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li><span dir=\"ltr\" role=\"presentation\">The Building Regulations, Approved Document F (2021 <\/span><span dir=\"ltr\" role=\"presentation\">edition in <\/span><strong><a href=\"https:\/\/assets.publishing.service.gov.uk\/government\/uploads\/system\/uploads\/attachment_data\/file\/1045918\/ADF1.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">England<\/a><\/strong>) for works and planning applications after 15 June 2023.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li><span dir=\"ltr\" role=\"presentation\">The Building Regulations, Approved Document F (<\/span>2022<span dir=\"ltr\" role=\"presentation\"> edition in <\/span><a href=\"https:\/\/www.gov.wales\/sites\/default\/files\/publications\/2022-10\/building-regulations-approved-document-f-vol-1.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Wales<\/strong><\/a><span dir=\"ltr\" role=\"presentation\">) for works and planning applications after <\/span>23 November 2023.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li>For detailed guidance, refer to the full versions of the regulations linked above.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/6&#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;35618&#8243; img_size=&#8221;150&#215;90&#8243; style=&#8221;vc_box_outline&#8221;][vc_single_image image=&#8221;35621&#8243; img_size=&#8221;150&#215;90&#8243; style=&#8221;vc_box_outline&#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; rt_padding_top=&#8221;10&#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_separator style=&#8221;style-4&#8243;][vc_column_text]<\/p>\n<h5>Approved Document F1: Means of Ventilation<\/h5>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h5>2021 edition (England) and 2022 edition (Wales)<\/h5>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h6>Natural ventilation with background ventilators and intermittent extract fans (previously System 1)<\/h6>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li>The guidance is only for less airtight dwellings i.e. dwellings with a design air permeability higher than 5m\u00b3\/(h\u00b7m2) at 50 Pa or dwellings with an as-built air permeability higher than 3m\u00b3\/(h\u00b7m2) at 50 Pa.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1712738103999{padding-right: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>Install background ventilators in all rooms with external walls. The minimum total equivalent area of background ventilators required in each room is in Table 1.7.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1712737286277{padding-right: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>1.34: Background ventilators should be at least 1700mm above floor level to reduce draughts, but still be easy for the occupant to reach. Note: Background ventilators are intended to normally be left open.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li>1.53: If the dwelling has more than one exposed fa\u00e7ade, the area of background ventilators on each fa\u00e7ade should be similar to allow cross-ventilation.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li>1.54: If an exposed fa\u00e7ade is close to an area of sustained loud noise (e.g. a main road), then a noise attenuating background ventilation should be fitted. See <a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Rytons Acoustic Background Room Ventilators<\/strong><\/a>.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1712737805301{padding-right: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>1.57: The total number of ventilators installed in the dwelling&#8217;s habitable rooms and kitchens should be at least the following:\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Four ventilators if the dwelling has one bedroom.<\/li>\n<li>Five ventilators if the dwelling with more than one bedroom.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1712737884476{padding-right: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>1.58: If the dwelling has a kitchen and living room which are not separate rooms, at least three ventilators of the same area as for other habitable rooms in Table 1.7 should be provided in the open-plan space.<\/li>\n<\/ul>\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_single_image image=&#8221;35566&#8243; img_size=&#8221;700&#215;450&#8243; alignment=&#8221;center&#8221; onclick=&#8221;img_link_large&#8221; img_link_target=&#8221;_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; 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<h6>Background ventilators for continuous mechanical extract ventilation (previously System 3)<\/h6>\n<p>[\/vc_column_text][vc_column_text]Where continuous mechanical extract ventilation is used, provide a minimum equivalent area of 4000mm\u00b2 for each habitable room (excluding wet rooms i.e. kitchen, utility room and bathroom). Install the same number of ventilators as there are bedrooms, plus two ventilators (i.e. a one bedroom dwelling should have three background ventilators, a two bedroom dwelling should have four background ventilators, etc.).[\/vc_column_text][vc_separator style=&#8221;style-4&#8243;][\/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<h6>Rytons Background Ventilation Range<\/h6>\n<p>[\/vc_column_text][vc_column_text]Achieve compliant background ventilation in habitable rooms with Rytons controllable through-wall background ventilators or a combination of window trickle vents and through-wall sets.\u00a0 We are always happy to assist you with ventilation calculations and product selection &#8211; call our technical sales office on 01536 511874 for advice.[\/vc_column_text][vc_empty_space height=&#8221;15px&#8221;][vc_row_inner rt_row_style=&#8221;global-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_inner width=&#8221;1\/2&#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_column_text]<\/p>\n<p style=\"text-align: center;\"><strong>Rytons Through-wall Background Ventilation Sets<\/strong><br \/>\n<a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/aircore-and-airliner-sets\/\" target=\"_blank\" rel=\"noopener noreferrer\">Unsilenced Range &gt;&gt;<\/a> \u00a0 <a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/\" target=\"_blank\" rel=\"noopener noreferrer\">Acoustic Range &gt;&gt;<\/a><\/p>\n<p>[\/vc_column_text][vc_single_image image=&#8221;32724&#8243; img_size=&#8221;large&#8221; style=&#8221;vc_box_outline&#8221; onclick=&#8221;custom_link&#8221; img_link_target=&#8221;_blank&#8221; link=&#8221;https:\/\/rts.vents.co.uk\/blog\/background-room-ventilators\/&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#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_column_text]<\/p>\n<p style=\"text-align: center;\"><strong>Rytons Window Trickle Ventilators<\/strong><br \/>\n<a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/window-trickle-ventilators\/\" target=\"_blank\" rel=\"noopener noreferrer\">View Range &gt;&gt;<\/a><\/p>\n<p>[\/vc_column_text][vc_single_image image=&#8221;32713&#8243; img_size=&#8221;large&#8221; style=&#8221;vc_box_outline&#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_inner][\/vc_row_inner][vc_separator style=&#8221;style-4&#8243;][\/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_bg_color=&#8221;#d1d1d1&#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<h3 style=\"text-align: center;\">ARCHIVED CONTENT<\/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_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<h6>Approved Document F1: Means of Ventilation (2010 edition incorporating 2013 amendments)<\/h6>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h6>Natural ventilation with background ventilators and intermittent extract fans (System 1)<\/h6>\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<ul>\n<li><span dir=\"ltr\" role=\"presentation\">The Building Regulations, Approved Document F (<\/span><span dir=\"ltr\" role=\"presentation\">2010 edition incorporating 2010 and 2013 amendments in <\/span><strong><a href=\"https:\/\/webarchive.nationalarchives.gov.uk\/ukgwa\/20160209144150\/https:\/\/www.gov.uk\/government\/publications\/ventilation-approved-document-f\" target=\"_blank\" rel=\"noopener noreferrer\">England<\/a><\/strong>).<\/li>\n<li>The Building Regulations, Approved Document F (2<span dir=\"ltr\" role=\"presentation\">010 edition incorporating further 2010 amendments in <\/span><a href=\"https:\/\/www.gov.wales\/sites\/default\/files\/publications\/2022-10\/building-regulations-guidance-part-f-ventilation_0.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Wales<\/strong><\/a><span dir=\"ltr\" role=\"presentation\">).<\/span><\/li>\n<\/ul>\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]General notes:[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1659429828044{padding-right: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>Background ventilators should be located in all rooms with external walls.\u00a0 Once the total requirement has been calculated, at least 5000mm\u00b2 equivalent area is required in each habitable room and 2500mm\u00b2 equivalent area is required in each wet room.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li>Promote cross-ventilation with background ventilation of a similar area on each fa\u00e7ade, where possible.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li>Fit noise attenuating ventilators if an exposed fa\u00e7ade is close to an area of continuous noise (e.g. a main road) &#8211; see <strong><a href=\"https:\/\/rts.vents.co.uk\/blog\/products\/acoustic-aircore-and-airliner-sets-background\/\" target=\"_blank\" rel=\"noopener noreferrer\">Rytons Acoustic Background Room Ventilators<\/a><\/strong>.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1658918050175{padding-right: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>Position background ventilators at least 1.7m above floor level to reduce draughts but still be accessible by the occupant.\u00a0 Note: Background ventilators should normally be left open.<\/li>\n<\/ul>\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 width=&#8221;5\/6&#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; 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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_bg_color=&#8221;#dd3333&#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<h4 style=\"text-align: center;\"><span style=\"color: #ffffff;\">Rytons is proud to be a family run business and \u0003British manufacturer since 1972<\/span><\/h4>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[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_image=&#8221;22258&#8243; rt_bg_effect=&#8221;classic&#8221; rt_bg_image_repeat=&#8221;repeat&#8221; rt_bg_size=&#8221;cover&#8221; rt_bg_position=&#8221;center center&#8221; 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