{"id":8892,"date":"2022-07-31T15:25:28","date_gmt":"2022-07-31T14:25:28","guid":{"rendered":"https:\/\/createdbyadam.co.uk\/aptsoundtesting\/?page_id=8892"},"modified":"2023-01-11T07:25:02","modified_gmt":"2023-01-11T07:25:02","slug":"extractor-fan-testing","status":"publish","type":"page","link":"https:\/\/createdbyadam.co.uk\/aptsoundtesting\/extractor-fan-testing\/","title":{"rendered":"Extractor Fan Testing"},"content":{"rendered":"<section class=\"l-section wpb_row height_large width_full\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2>Extractor Fan Testing<\/h2>\n<p>The new Part F of Building Regulations requires standard intermittent extractor fans such as bathrooms and kitchens in new buildings, to have their air flow rates measured on site and the results submitted to the building control body prior to completion and handover.<\/p>\n<p>We can undertake the extractor fan testing at the same time as the air and sound testing which helps to reduce coordination issues as well as offering a substantial cost saving. You can also be safe the knowledge that the works are being carried out by a UKAS accredited company.<\/p>\n<p>We provide a friendly expert advice for helping properties achieve compliance with approved document F for domestic extract fan testing. Simply the use our contacts form on this page, or call our offices, to chat about your specific vent testing requirements with our knowledgeable team of consultants.<\/p>\n<p>If you are unsure on how to prepare your buildings ventilation system to comply with approved document F for domestic extract testing. Simply the use our contact forms on this page, or call our offices, to chat about your specific vent testing requirements with our knowledgeable team of consultants.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_auto width_full\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-tabs style_default switch_click accordion has_scrolling\" style=\"--sections-title-size:inherit\"><div class=\"w-tabs-sections titles-align_none icon_chevron cpos_right\"><div class=\"w-tabs-section\" id=\"m8ad\"><button aria-controls=\"content-m8ad\" class=\"w-tabs-section-header\"><div class=\"w-tabs-section-title\">Why do I need extractor fan testing?<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-m8ad\" aria-expanded=\"false\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>As buildings become more insulated and air tightness is improved, it is essential that any installed ventilation systems are fit for purpose, balanced and commissioned correctly to ensure optimum levels of operation for the well being of the occupants.<\/p>\n<p>Approved Document F of the Building Regulations requires that MHVR Systems (Mechanical Ventilation and Heat Recovery) and intermittent extractor fans (e.g. kitchen and bathroom) have their flow rates checked, are working efficiently and the relevant test results submitted to building control as part of the overall building compliance and sign off process.<\/p>\n<p>Under normal circumstances, we are able to carry out Ventilation Flow Rate testing alongside our on-site Air Pressure Test, thereby enabling you to achieve both Part L and Part F compliance in the most time-efficient, cost-effective manner.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"sd79\"><button aria-controls=\"content-sd79\" class=\"w-tabs-section-header\"><div class=\"w-tabs-section-title\">What are ventilation systems 1-4 in approved document F?<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-sd79\" aria-expanded=\"false\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>There are four types of ventilation systems as described in Approved Document F, they are referred to as Systems 1\u20134.<\/p>\n<p><strong>System 1<\/strong> \u2013 consists of background ventilators and intermittent extract fans and is by far the commonly used approach where intermittent extract fans are used to remove moisture and odour from wet areas; however, the general background ventilation to the living spaces is provided via trickle vents housed in windows and\/or background ventilators such as air bricks.<\/p>\n<p><strong>System 2<\/strong> \u2013 consists of passive stack ventilation (PSV), this uses passive ventilators, roof level outlets and background ventilators to achieve air changes through natural buoyancy and wind driven ventilation. In this system air is supplied to the dwelling using background ventilators sized in the same way as System 1.<\/p>\n<p><strong>System 3<\/strong> \u2013 consists of continuous mechanical extract (MEV) and <strong>System 4<\/strong>, continuous mechanical supply and extract with heat recovery (MVHR), use mechanical systems to distribute air through the dwelling. System 3 discharges it directly to the outside, whilst in System 4 a heat exchanger is used to recover heat from the discharged exhaust air to preheat mechanically supplied fresh air.<\/p>\n<p>If you require advice on which ventilation system to use to achieve compliance with approved document F for domestic extract fan testing. Simply the use our contacts form on this page, or call our offices, to chat about your specific vent testing requirements with our knowledgeable team of consultants.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"h112\"><button aria-controls=\"content-h112\" class=\"w-tabs-section-header\"><div class=\"w-tabs-section-title\">What extract rates do my extract fans need to achieve?<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-h112\" aria-expanded=\"false\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The extract rates for fans in kitchens, bathrooms and WCs are defined in Approved Document F. These rates apply to all dwelling types and sizes. Extract fans need to meet following minimum extract rates:<\/p>\n<p>a. Kitchen (cooker hood) and utility rooms: 30 l\/s<br \/>\nb. Bathrooms (intermittent extract fans) 15 l\/s<br \/>\nc. Sanitary accommodation: 6 l\/s<\/p>\n<p>If you require advice on what type of extractor fan would be best to achieve compliance with approved document F, Simply the use our contacts form on this page, or call our offices, to chat about your specific vent testing requirements with our knowledgeable team of consultants.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"o55e\"><button aria-controls=\"content-o55e\" class=\"w-tabs-section-header\"><div class=\"w-tabs-section-title\">Domestic vent testing checklist<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-o55e\" aria-expanded=\"false\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Items to be completed prior to our arrival on site:<\/p>\n<p>a. An Electric supply must be connected to all fans and the fans must be fully operational.<br \/>\nb. All the finishes such as plasterboard and masonry must be properly finished around the vents to enable an air tight finish around the fan.<br \/>\nc. All door and windows should be installed at the time of vent testing.<br \/>\nd. Window trickle vents should be in place.<br \/>\ne. Suitable clear and safe access must be supplied to reach all vents internally and externally.<br \/>\nf. We require the SAP calculation worksheets for each dwelling.<br \/>\ng. All internal doors must be fitted.<br \/>\nh. We require the ventilation\/fan specification for all vents.<br \/>\ni. Floor plans and sections for each dwelling will be required 3 days before the test date.<br \/>\nj. The occupant schedule (the expected number of persons living in each property)<br \/>\nk. A parking space not further than 50 metres away should be supplied.<br \/>\nl. Ensure that the completed building envelope is finished. All doors, windows, and cladding must be installed.<\/p>\n<p>Make sure that:<\/p>\n<ul>\n<li>All wall surfaces in rooms to be tested are complete (including sockets and switches)<\/li>\n<li>Structural floor and ceiling surface are complete.<\/li>\n<li>Carpets or timber laminates have been laid in rooms<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"u980\"><button aria-controls=\"content-u980\" class=\"w-tabs-section-header\"><div class=\"w-tabs-section-title\">Good practice guide<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-u980\" aria-expanded=\"false\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>a. Is the ductwork of the type specified by the manufacturer?<\/p>\n<p>b. Have the number of duct bends been minimised to ensure adequate air flow and least resistance?<\/p>\n<p>c. The Flexible duct provided should only be used to connect the unit to the central diffuser (this is important for the acoustic performance of the product).<\/p>\n<p>d. Have recommended duct jointing collars and components been used to ensure appropriate duct performance (duct runs should be as air tight as possible)? Note: All the joints should be sealed correctly using the collars provided.<\/p>\n<p>e. Have all grilles or ductwork that penetrate the building\u2019s air barrier, as identified in the construction drawings, been sealed to ensure continuity of the air barrier?<\/p>\n<p>f. Is the fan correctly situated, secured and adjusted?<\/p>\n<p>g. Do all internal doors have 10mm undercuts? (as required in \u201cDomestic Ventilation Compliance Guide\u201d Part 2b Table 2.3a)<\/p>\n<p>h. Has the electrician set fan speed using manufacturer\u2019s data table<\/p>\n<p>i. If Air handling units are utilised as part of the system have they been fixed to a stable element of the building fabric (e.g. wall or floor) using manufacturer\u2019s recommended\/supplied fixing brackets?<\/p>\n<p>j. Has the unit been installed in a position that will permit access for maintenance purposes.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"Extractor Fan Testing The new Part F of Building Regulations requires standard intermittent extractor fans such as bathrooms and kitchens in new buildings, to have their air flow rates measured on site and the results submitted to the building control body prior to completion and handover. We can undertake the extractor fan testing at the...","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8892","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Extractor Fan Testing | Sound Testing in London | APT Sound Testing<\/title>\n<meta name=\"description\" content=\"We provide a friendly expert advice for helping properties achieve compliance with approved document F for domestic extract fan testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/createdbyadam.co.uk\/aptsoundtesting\/extractor-fan-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" 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