How long is one roll of silt fence?

Pre-staked silt fence is typically sold in 100-foot rolls. Supplier listings show 100-foot rolls 24 or 36 inches tall with wood stakes attached, one at 10-foot stake spacing, and wire-backed rolls up to 48 inches tall. Length and stake spacing vary by product, so check the product sheet before converting plan footage to rolls.

Convert linear feet of silt fence to rolls

For example, 1,250 LF of standard fence in 100-foot rolls is 1,250 ÷ 100 = 12.5, so order 13 rolls. Keep wire-backed or reinforced fence as a separate count because it is a different product.

1
Measure the silt fence on the erosion control plan in linear feet (LF), by fence type and phase.
2
Add any length the installation detail calls for at joints or ends.
3
Divide by the roll length on the product sheet and round up to whole rolls.

Sources

Kuhlman: Silt fence, 36 in H x 100 ft L roll, with posts included
Mainline Materials: Silt fabric and silt fence roll sizes

Checked 2026-11-02.