Conventional vs. advanced framing at a corner — 3-stud corner versus 2-stud plus drywall clip

Both corners meet code. A conventional 3-stud corner fills the corner with solid wood (a thermal bridge); an advanced-framing 2-stud corner plus a drywall clip leaves the cavity open for insulation and uses fewer studs. The calculator’s “Advanced framing” option counts the 2-stud version.

A top-down comparison of an outside wall corner built two ways. Conventional framing packs three studs into the corner to back the interior drywall, filling it with solid wood that bridges heat and leaves no room for insulation, with studs 16 inches on center. Advanced framing (APA / OVE) uses a two-stud corner with a drywall clip to support the panel edge, so the corner cavity stays open for insulation, with studs 24 inches on center. Both meet code; advanced framing uses fewer studs and improves the thermal envelope. — Source: APA Advanced Framing (OVE) / IRC R602.3

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A top-down comparison of an outside wall corner built two ways. Conventional framing packs three studs into the corner to back the interior drywall, filling it with solid wood that bridges heat and leaves no room for insulation, with studs 16 inches on center. Advanced framing (APA / OVE) uses a two-stud corner with a drywall clip to support the panel edge, so the corner cavity stays open for insulation, with studs 24 inches on center. Both meet code; advanced framing uses fewer studs and improves the thermal envelope.

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    <img src="https://remodelcalculators.com/api/figure-embed/framing-corner-advanced" alt="A top-down comparison of an outside wall corner built two ways. Conventional framing packs three studs into the corner to back the interior drywall, filling it with solid wood that bridges heat and leaves no room for insulation, with studs 16 inches on center. Advanced framing (APA / OVE) uses a two-stud corner with a drywall clip to support the panel edge, so the corner cavity stays open for insulation, with studs 24 inches on center. Both meet code; advanced framing uses fewer studs and improves the thermal envelope." width="800" height="430" style="width:100%;height:auto;border:0" loading="lazy">
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    Diagram: <a href="https://remodelcalculators.com/construction-diagrams/framing-corner-advanced" target="_blank" rel="noopener">Conventional vs. advanced framing at a corner — 3-stud corner versus 2-stud plus drywall clip</a> — courtesy of <a href="https://remodelcalculators.com" target="_blank" rel="noopener">RemodelCalculators.com</a>
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