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<blockquote data-quote="spltuscon" data-source="post: 6418101" data-attributes="member: 611863"><p>Lowe's sells 1/4" thick steel plate, its right next to the allthread, mixed in with the sheet metal.</p><p></p><p>Window bracing is the most effective thing I've seen, but might cause some turbulence. If you have any room behind the wall, you could use 2x4's externally, going vertically from top to bottom.</p></blockquote><p></p>
[QUOTE="spltuscon, post: 6418101, member: 611863"] Lowe's sells 1/4" thick steel plate, its right next to the allthread, mixed in with the sheet metal. Window bracing is the most effective thing I've seen, but might cause some turbulence. If you have any room behind the wall, you could use 2x4's externally, going vertically from top to bottom. [/QUOTE]
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