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		<title>Ventilation opening - Revision history</title>
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		<updated>2026-05-04T08:58:19Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.designingbuildings.co.uk/w/index.php?title=Ventilation_opening&amp;diff=250682&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;Approved Document F Volume 1, 2021 edition, defines a ventilation opening as: ‘Any means of purpose-provided ventilation (whether permanent or closable) that opens directly to ...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Ventilation_opening&amp;diff=250682&amp;oldid=prev"/>
				<updated>2023-03-15T10:20:16Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;Approved Document F Volume 1, 2021 edition, defines a ventilation opening as: ‘Any means of purpose-provided ventilation (whether permanent or closable) that opens directly to ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Approved Document F Volume 1, 2021 edition, defines a ventilation opening as: ‘Any means of purpose-provided ventilation (whether permanent or closable) that opens directly to external air, such as the openable parts of a window, a louvre or a background ventilator. It also includes any door that opens directly to external air.’&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings =&lt;br /&gt;
&lt;br /&gt;
* Approved document F.&lt;br /&gt;
* Approved documents.&lt;br /&gt;
* Building Regulations.&lt;br /&gt;
* Heat recovery.&lt;br /&gt;
* Humidity.&lt;br /&gt;
* Indoor air quality.&lt;br /&gt;
* Mechanical ventilation.&lt;br /&gt;
* Natural ventilation.&lt;br /&gt;
* Ventilation.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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