Picture-frame box wainscot anatomy — baseboard, margins, box, stile, and chair-rail cap

Box wainscot parts: baseboard, bottom margin, box, stile, top margin, chair-rail cap. Box width = (L − 2·margin − (b − 1)·stile) ÷ b.

A picture-frame (box) wainscot elevation labeling every part. A chair rail or cap runs along the top and a baseboard along the bottom; between them sit three applied moulding boxes. Equal end margins hold the outer boxes off the wall ends, a stile separates adjacent boxes, and equal top and bottom margins center the boxes vertically. Box width solves as (wall length − 2 × margin − (boxes − 1) × stile) ÷ boxes, and box height is the field between the baseboard top and the chair-rail bottom minus twice the vertical margin. — Source: Box layout method per Home By Alley, Omni Calculator

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A picture-frame (box) wainscot elevation labeling every part. A chair rail or cap runs along the top and a baseboard along the bottom; between them sit three applied moulding boxes. Equal end margins hold the outer boxes off the wall ends, a stile separates adjacent boxes, and equal top and bottom margins center the boxes vertically. Box width solves as (wall length − 2 × margin − (boxes − 1) × stile) ÷ boxes, and box height is the field between the baseboard top and the chair-rail bottom minus twice the vertical margin.

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    <img src="https://remodelcalculators.com/api/figure-embed/board-batten-box-anatomy" alt="A picture-frame (box) wainscot elevation labeling every part. A chair rail or cap runs along the top and a baseboard along the bottom; between them sit three applied moulding boxes. Equal end margins hold the outer boxes off the wall ends, a stile separates adjacent boxes, and equal top and bottom margins center the boxes vertically. Box width solves as (wall length − 2 × margin − (boxes − 1) × stile) ÷ boxes, and box height is the field between the baseboard top and the chair-rail bottom minus twice the vertical margin." width="800" height="470" style="width:100%;height:auto;border:0" loading="lazy">
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    Diagram: <a href="https://remodelcalculators.com/construction-diagrams/board-batten-box-anatomy" target="_blank" rel="noopener">Picture-frame box wainscot anatomy — baseboard, margins, box, stile, and chair-rail cap</a> — courtesy of <a href="https://remodelcalculators.com" target="_blank" rel="noopener">RemodelCalculators.com</a>
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