https://www.designingbuildings.co.uk/w/index.php?action=history&feed=atom&title=MullionMullion - Revision history2026-04-28T09:07:41ZRevision history for this page on the wikiMediaWiki 1.17.4https://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=253405&oldid=prevEditor at 06:51, 25 April 20232023-04-25T06:51:04Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The word 'mullion' is also commonly used to describe vertical members between panes of glass within a window assembly (rather than between window units). These smaller members are sometimes referred to as 'muntins'.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The word 'mullion' is also commonly used to describe vertical members between panes of glass within a window assembly (rather than between window units). These smaller members are sometimes referred to as 'muntins'.</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings <del class="diffchange diffchange-inline">Wiki </del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings =</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Architectural ironmongery.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Architectural ironmongery.</div></td></tr>
</table>Editorhttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=199903&oldid=prevEditor at 18:09, 1 April 20212021-04-01T18:09:25Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Window.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Window.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Window frame.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Window sill.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Window sill.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]</div></td></tr>
</table>Editorhttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=180473&oldid=prevDesigning Buildings at 11:11, 2 November 20202020-11-02T11:11:04Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Weep hole.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Weep hole.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Window.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Window.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Window sill.</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]</div></td></tr>
</table>Designing Buildingshttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=177478&oldid=prevDesigning Buildings at 06:15, 10 October 20202020-10-10T06:15:17Z<p></p>
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</table>Designing Buildingshttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=166670&oldid=prevDesigning Buildings at 10:28, 8 July 20202020-07-08T10:28:57Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The word 'mullion' is also commonly used to describe vertical members between panes of glass within a window assembly (rather than between window units). These smaller members are sometimes referred to as 'muntins'.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The word 'mullion' is also commonly used to describe vertical members between panes of glass within a window assembly (rather than between window units). These smaller members are sometimes referred to as 'muntins'.</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">= Find out more =</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings Wiki =</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">==</del>= Related articles on Designing Buildings Wiki <del class="diffchange diffchange-inline">==</del>=</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Architectural ironmongery.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Architectural ironmongery.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Glazing.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Glazing.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Lintel.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Lintel.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Saddle bar.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Stanchion.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Tie bar.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Weep hole.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Weep hole.</div></td></tr>
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</table>Designing Buildingshttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=107936&oldid=prev41.13.228.159 at 08:15, 2 June 20182018-06-02T08:15:02Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>A mullion wall is a structural system <del class="diffchange diffchange-inline">in which </del>the load of the floor slab is taken by prefabricated panels around the perimeter.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>A mullion wall is a structural system <ins class="diffchange diffchange-inline">whereby </ins>the load of the floor slab is taken by prefabricated panels around the perimeter.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>They can be used for decorative purposes, or to allow the combination of smaller window units into larger compositions, or to provide structural support to an arch or lintel. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>They can be used for decorative purposes, or to allow the combination of smaller window units into larger compositions, or to provide structural support to an arch or lintel. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td></tr>
</table>[IP address hidden]https://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=86326&oldid=prevEditor at 15:47, 8 September 20172017-09-08T15:47:35Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">A mullion wall is a structural system in which the load of the floor slab is taken by prefabricated panels around the perimeter.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>They can be used for decorative purposes, or to allow the combination of smaller window units into larger compositions, or to provide structural support to an arch or lintel. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>They can be used for decorative purposes, or to allow the combination of smaller window units into larger compositions, or to provide structural support to an arch or lintel. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td></tr>
</table>Editorhttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=73243&oldid=prevEditor at 15:00, 22 March 20172017-03-22T15:00:47Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Curtain wall systems.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Curtain wall systems.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Curved glass.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Curved glass.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* Glass mullion system.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Glazing.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Glazing.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Lintel.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* Lintel.</div></td></tr>
</table>Editorhttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=66189&oldid=prevDesigning Buildings at 12:38, 3 January 20172017-01-03T12:38:52Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>They can be used for decorative purposes, or to allow the combination of smaller <del class="diffchange diffchange-inline">panes of glass </del>into larger compositions, or to provide structural support to an arch or lintel. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>They can be used for decorative purposes, or to allow the combination of smaller <ins class="diffchange diffchange-inline">window units </ins>into larger compositions, or to provide structural support to an arch or lintel. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The use of mullions dates back to before the 10th century. As the use of glass for windows became widespread, so did the use of mullions, as they allow larger <del class="diffchange diffchange-inline">windows </del>to be sub-divided into smaller <del class="diffchange diffchange-inline">panes of glass </del>which are technically easier to manufacture and less expensive.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The use of mullions dates back to before the 10th century. As the use of glass for windows became widespread, so did the use of mullions, as they allow larger <ins class="diffchange diffchange-inline">openings </ins>to be sub-divided into smaller <ins class="diffchange diffchange-inline">windows </ins>which are technically easier to manufacture and less expensive.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>They can be found in Armenian, Saxon and Islamic architecture. They became more commonly used to divide paired windows in Romanesque architecture, as well as open arcades. The use of stone mullions in Gothic architecture increased both in terms of size and complexity, as they were used both structurally and ornamentally, particularly in churches for stained glass windows.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>They can be found in Armenian, Saxon and Islamic architecture. They became more commonly used to divide paired windows in Romanesque architecture, as well as open arcades. The use of stone mullions in Gothic architecture increased both in terms of size and complexity, as they were used both structurally and ornamentally, particularly in churches for stained glass windows.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Modern mullions are commonly made from materials such as timber, aluminium, steel and UPVC.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Modern mullions are commonly made from materials such as timber, aluminium, steel and UPVC.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">The word 'mullion' is also commonly used to describe vertical members between panes of glass within a window assembly (rather than between window units). These smaller members are sometimes referred to as 'muntins'.</ins></div></td></tr>
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</table>Designing Buildingshttps://www.designingbuildings.co.uk/w/index.php?title=Mullion&diff=66188&oldid=prevDesigning Buildings at 12:29, 3 January 20172017-01-03T12:29:21Z<p></p>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 12:29, 3 January 2017</td>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">A mullion is an architectural device </del>that <del class="diffchange diffchange-inline">forms a </del>vertical <del class="diffchange diffchange-inline">division </del>between units of a window, door, screen or glass curtain wall. <del class="diffchange diffchange-inline">As well </del>as <del class="diffchange diffchange-inline">being used for decorative purposes, mullions are often used as an element in windows to </del>provide <del class="diffchange diffchange-inline">structural </del>support to <del class="diffchange diffchange-inline">an arch or lintel</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Mullions are members </ins>that <ins class="diffchange diffchange-inline">form </ins>vertical <ins class="diffchange diffchange-inline">divisions </ins>between units of a window, door, screen or glass curtain wall. <ins class="diffchange diffchange-inline">Together with horizontal members known </ins>as <ins class="diffchange diffchange-inline">transoms they </ins>provide <ins class="diffchange diffchange-inline">rigid </ins>support to <ins class="diffchange diffchange-inline">glazing</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">Together with horizontal elements known as transoms they </del>can be used to provide <del class="diffchange diffchange-inline">rigid </del>support to <del class="diffchange diffchange-inline">glazing sections</del>. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">They </ins>can be used <ins class="diffchange diffchange-inline">for decorative purposes, or to allow the combination of smaller panes of glass into larger compositions, or </ins>to provide <ins class="diffchange diffchange-inline">structural </ins>support to <ins class="diffchange diffchange-inline">an arch or lintel</ins>. They can also be used as an element in door frames to divide an opening and allow two separate doors to be accommodated by a single frame.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The use of mullions dates back to <del class="diffchange diffchange-inline">pre-</del>10th century <del class="diffchange diffchange-inline">and can be found in Armenian, Saxon and Islamic architecture</del>. <del class="diffchange diffchange-inline">They became more commonly used to divide paired </del>windows <del class="diffchange diffchange-inline">in Romanesque architecture</del>, as <del class="diffchange diffchange-inline">well as open arcades</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The use of mullions dates back to <ins class="diffchange diffchange-inline">before the </ins>10th century. <ins class="diffchange diffchange-inline">As the use of glass for </ins>windows <ins class="diffchange diffchange-inline">became widespread, so did the use of mullions</ins>, as <ins class="diffchange diffchange-inline">they allow larger windows to be sub-divided into smaller panes of glass which are technically easier to manufacture and less expensive</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">As the use of glass for </del>windows <del class="diffchange diffchange-inline">became widespread</del>, <del class="diffchange diffchange-inline">so did the </del>use of mullions, <del class="diffchange diffchange-inline">since </del>they <del class="diffchange diffchange-inline">helped split up large </del>windows <del class="diffchange diffchange-inline">into smaller panes of glass which were much more affordable than larger sheets</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">They can be found in Armenian, Saxon and Islamic architecture. They became more commonly used to divide paired </ins>windows <ins class="diffchange diffchange-inline">in Romanesque architecture</ins>, <ins class="diffchange diffchange-inline">as well as open arcades. The </ins>use of <ins class="diffchange diffchange-inline">stone </ins>mullions <ins class="diffchange diffchange-inline">in Gothic architecture increased both in terms of size and complexity</ins>, <ins class="diffchange diffchange-inline">as </ins>they <ins class="diffchange diffchange-inline">were used both structurally and ornamentally, particularly in churches for stained glass </ins>windows.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">The use of stone mullions in Gothic architecture increased both in terms of size and arrangement, as they were used both structurally and ornamentally, particularly in churches for stained glass windows. </del>Modern mullions <del class="diffchange diffchange-inline">are more decorative and </del>are commonly made <del class="diffchange diffchange-inline">of </del>timber, aluminium, steel <del class="diffchange diffchange-inline">or fibreglass, to complement a variety of decors </del>and <del class="diffchange diffchange-inline">architectural designs</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Modern mullions are commonly made <ins class="diffchange diffchange-inline">from materials such as </ins>timber, aluminium, steel and <ins class="diffchange diffchange-inline">UPVC</ins>.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Find out more =</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>= Find out more =</div></td></tr>
</table>Designing Buildings