⚡ ASTM D7877 / D8231 High-Voltage Spark & Low-Voltage Vector Mapping

Roof Electronic Leak Detection (ELD) Calculator

Calculate Electronic Leak Detection (ELD) membrane integrity testing for commercial roofs and waterproofing under ASTM D7877: calculate high-voltage spark testing broom scanning rates (sq ft/hour), low-voltage vector mapping wire loops, pinhole breach locating, and testing service margins.

1. Project & Operating Inputs

Membrane Testing Surface Area (Square Feet e.g. 45,000 Sq Ft)

Daily ELD Testing Production (Sq Ft / Day e.g. 15,000)

Customer Invoiced Testing Fee ($ / Sq Ft e.g. $0.18/SqFt)

ELD Equipment Calibration, Technician & Certification ($)

2. Financial Breakdown & Yield

ASTM D7877 HIGH-VOLTAGE ELD

Turnkey ELD Testing Profit

Waterproofing QA Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost