Siding coverage / exposure per square by material
This is our own coverage matrix and the moat behind the site. For every common siding material it gives the LABELED exposure and coverage per box/bundle/square, so you can turn a measured area into units with the identity units = ceil(area × (1 + waste) ÷ coverage). It is a dated snapshot of published manufacturer planning ranges, not a live feed. See how it’s derived in the methodology, and use it with the how-much-siding calculator, the boxes-by-material calculator and the coverage-per-square reference.
| Material | Typical exposure | Coverage per unit | Units for 1,336 sq ft + 10% waste |
|---|---|---|---|
| Vinyl lap (double-4") | 8" per panel | 200 sq ft/box | 8 boxs |
| Vinyl lap (double-5") | 10" per panel | 200 sq ft/box | 8 boxs |
| Insulated vinyl | 6–7" | 200 sq ft/box | 8 boxs |
| Cedar shingle / shake | ~5–8" | 25 sq ft/bundle | 59 bundles |
| Fiber cement lap plank | 4–8" (plank) | 100 sq ft/square | 15 squares |
| Engineered wood lap | 4–8" | 100 sq ft/square | 15 squares |
| Wood / cedar bevel lap | 4–8" | 100 sq ft/square | 15 squares |
| Steel / aluminum lap | 8" | 100 sq ft/square | 15 squares |
| Board & batten | board width | 100 sq ft/square | 15 squares |
LABELED published planning snapshots — the manufacturer’s stated coverage and exposure win. 1 square = 100 sq ft. The units column derives from units = ceil(area × (1 + waste) ÷ coverage) for a 1,336 sq ft net area at 10% waste, as an illustration. Cedar shakes and shingles have a small exposure and a high waste factor. Snapshot: 2026-07-13.