The order metal siding goes on

Metal siding goes on in order: a taped weather barrier with flashed penetrations, furring for a vented rainscreen gap, a level base flashing and plumb first panel, then screws driven centered in the slot only to the washer’s kiss so the metal can expand and contract without oil-canning.

What this diagram shows

A four-panel walkthrough of metal siding install order. Panel 1: a weather-resistive barrier over sheathing with taped seams and a flashed pipe penetration. Panel 2: furring strips hold a vented rainscreen gap of at least three-eighths inch between the wall and the panel plane. Panel 3: a level base Z-flashing is set and the first panel is plumbed to a chalk line. Panel 4: a screw is driven centered in the panel’s slotted hole and only to the point the washer kisses the flange, leaving room for thermal movement, before the next panel interlocks.

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  <a href="https://remodelcalculators.com/construction-diagrams/metal-siding-install-sequence" target="_blank" rel="noopener">
    <img src="https://remodelcalculators.com/illustrations/metal-siding-install-sequence.svg" alt="A four-panel walkthrough of metal siding install order. Panel 1: a weather-resistive barrier over sheathing with taped seams and a flashed pipe penetration. Panel 2: furring strips hold a vented rainscreen gap of at least three-eighths inch between the wall and the panel plane. Panel 3: a level base Z-flashing is set and the first panel is plumbed to a chalk line. Panel 4: a screw is driven centered in the panel’s slotted hole and only to the point the washer kisses the flange, leaving room for thermal movement, before the next panel interlocks." width="800" height="560" style="width:100%;height:auto;border:0" loading="lazy">
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    Diagram: <a href="https://remodelcalculators.com/construction-diagrams/metal-siding-install-sequence" target="_blank" rel="noopener">The order metal siding goes on</a> — courtesy of <a href="https://remodelcalculators.com" target="_blank" rel="noopener">RemodelCalculators.com</a>
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