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212        <h1>Technical Articles</h1><h2 class="accordion"><a href="technical-articles/what-are-prefabricated-fire-rated-structural-steel">What Are Prefabricated Fire-Rated Structural Steel Columns?</a><a href="technical-articles/2-hour-vs-3-hour-vs-4-hour"></a></h2>
213<h2 class="accordion"><a href="technical-articles/2-hour-vs-3-hour-vs-4-hour">2-Hour vs. 3-Hour vs. 4-Hour Fire-Rated Columns: What's the Difference?</a><a href="technical-articles/how-to-fire-rate-exposed-structural-steel"></a></h2>
214<h2 class="accordion"><a href="technical-articles/how-to-fire-rate-exposed-structural-steel">How to Fire Rate Exposed Structural Steel Without Compromising Design</a><a href="technical-articles/how-fire-ratings-for-structural-steel-are-tested"></a></h2>
215<h2 class="accordion"><a href="technical-articles/how-fire-ratings-for-structural-steel-are-tested">How UL Fire Ratings for Structural Steel are Tested and Certified</a><a href="technical-articles/maintaining-design-while-meeting-fire-code"></a></h2>
216<h2 class="accordion"><a href="technical-articles/maintaining-design-while-meeting-fire-code">Architecturally Exposed Structural Steel (AESS): Maintaining Design While Meeting Fire Code</a><a href="technical-articles/why-epds-matter-when-specifying-products"></a></h2>
217<h2 class="accordion"><a href="technical-articles/why-epds-matter-when-specifying-products">Why Environmental Product Declarations (EPDs) Matter When Specifying Products</a><a href="technical-articles/material-transparency-in-building-design"></a></h2>
218<h2 class="accordion"><a href="technical-articles/material-transparency-in-building-design">Material Transparency in Building Design: Understanding EPDs, HPDs and Better Product Selection</a><a href="technical-articles/what-is-passive-fire-protection"></a></h2>
219<h2 class="accordion"><a href="technical-articles/what-is-passive-fire-protection">What is Passive Fire Protection?&nbsp; A Guide for Architects and Designers</a><a href="technical-articles/7-mistakes-when-specifying-fire-rated-steel"></a></h2>
220<h2 class="accordion"><a href="technical-articles/7-mistakes-when-specifying-fire-rated-steel">7 Common Mistakes When Specifying Fire-Rated Structural Steel &amp; How to Avoid Them</a><a href="technical-articles/prefabricated-vs-field-applied-fireproofing"></a></h2>
221<h2 class="accordion"><a href="technical-articles/prefabricated-vs-field-applied-fireproofing">Prefabricated vs. Field-Applied Fireproofing for Structural Steel: What Should Designers Consider?</a></h2><br class="clearfloat">
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250<h4 style="color:#fff;">United Steel is AISC certified for fabrication and steel erection. </h4>
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276<p><i class="fa fa-clock-o" role="presentation"></i> Mon - Fri 8:00am - 5:00pm</p>
277<p><i class="fa fa-location-arrow" role="presentation"></i> 164 School Street<br><i class="fa fa-location-arrow" role="presentation" style="color: rgba(0,0,0,0.00);background: rgba(0,0,0,0.00);"></i> East Hartford, CT 06108<br>
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