Chain-Link Fabric, Post, and Tension-Band Takeoff
The fabric, posts, rails, and fittings a chain-link run takes off to.
Example
You enter
- Fence run / perimeter (ft) 200
- Fence height (ft) 4
- Total gate width (ft) 4
- Corner + end terminal posts 4
- Line post spacing (ft) 10
You get
- Fabric (LF) 196
- Total posts 20
- Line posts 14
- Tension bands 18
Details, formula, and sources
Chain-link-specific parts list: fabric = perimeter - gates; total posts = ceil(perimeter / spacing); terminals = corners + gate jambs; line posts = total - terminals; tension bands = terminals x (height - 1). A 200 ft run of 4 ft fence with one gate is 196 LF of fabric, 20 posts (14 line, 6 terminal), 200 LF each of top rail and tension wire, and 18 tension bands; a taller 6 ft fence raises the bands to 30. Height drives the bands, the run drives the posts. Distinct from the generic fence-estimate.
fabric_lf = perimeter_ft - gate_width_ft; total_posts = ceil(perimeter_ft / line_post_spacing_ft); terminals = corners + (gate jambs); line_posts = total_posts - terminals; tension_bands = terminals x (height_ft - 1).
Chain-link takeoff identity by name (fabric net of gates; posts over the run; bands per terminal per foot of height); first-principles count arithmetic.
The count arithmetic is public first-principles; the fabric gauge, post schedule, and hardware follow the fence spec.
Estimate. AHJ and licensed professional govern.
Field names used by the API: perimeter_ft, height_ft, gate_width_ft, corners, line_post_spacing_ft, fabric_lf, total_posts, line_posts, tension_bands
- Line post spacing ~10 ft on center (default); the fence spec governschain-link fence spec
- Tension bands one per foot of height less one at each terminal (terminals x (height - 1))installation practice