SettingsSettings for this calculationUS
The outside diameter of the round column to be wrapped.
Measure the column's overall outside diameter at its widest point.
The height of the column to be wrapped.
Measure the full height of the section that will be covered by the wrap material.
Wrap material area needed
41.89 sq ft
Add a waste/overlap allowance per the wrap material manufacturer's installation instructions, especially for seamed or paneled column cover systems.
They open the calculator with your figures already in it
Decorative Column/Pilaster Wrap Material Calculator: 41.89 sq ft — shown in imperial, US market. The link sets both, so the result they see is the one on your screen.
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How this was calculated
Formula source(s)
- Wrap area = π × Column Diameter × Column Height — the standard lateral surface area formula for a cylinder, applied to sizing decorative column wrap/cladding material (fiberglass, PVC, or fabric column covers).
Inputs used
- Column Diameter
- 16 in
- Column Height
- 10 ft
Confidence note: Add a waste/overlap allowance per the wrap material manufacturer's installation instructions, especially for seamed or paneled column cover systems.
What this calculation does not cover
- Gives an area, and wrap is not sold by area. Column covers come as two half-shells or as flat stock in fixed widths and lengths, so what governs the order is circumference against panel width and column height against stock length. A 0.4 m (1.3 ft) column has a 1.26 m (4 ft) circumference — out of 1.2 m (4 ft) stock that is two pieces and an extra seam, and the area figure reads identically either way.
- The wrap goes around the column, so its inside diameter has to clear what is already there. Furring strips, fastener heads, a lumpy old column or a slight lean all mean the cover's inside dimension must exceed the outside diameter measured — and the wrap's own surface area grows with it. Sizing a cover to the same nominal diameter as the column is the standard way to end up with one that will not close.
- Leaves out the cap and base. On a decorative column the plinth, base molding and capital are separate pieces sized by the shaft diameter, they are often a large share of the cost, and none of them appear in a lateral surface area. The shaft height is worth checking at more than one point too — a porch slab slopes for drainage, so the column to cut to is the one on the low side.
Estimated cost — your price
This site holds no price list for this material — local prices vary too much to publish honestly. Enter your supplier's price and the result is costed with it.
Computed in your browser — nothing you enter is uploaded. Presented in US customary units and US trade terminology. Where a formula follows a published standard, that standard and its edition are cited beside it on this page; where none governs, the page says so. Local amendments override model codes — verify against the code in force where you build.
Sources checked 2026-09-06 · in the site-wide review of 2026-09-06 · v1.0.1
Regulatory standards & verification citations1
- Wrap area = π × Column Diameter × Column Height — the standard lateral surface area formula for a cylinder, applied to sizing decorative column wrap/cladding material (fiberglass, PVC, or fabric column covers).
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