Overflow roof drain

What’s in this rate

This unit is installing one overflow roof drain in an existing deck opening. The crew sets the drain body, clamps the membrane, and leaves the overflow ready. The rate is per drain. A primary roof drain, plumbing below deck, and an overflow scupper are separate units.

Build-up

Labor 2 hr × $65.00 wage and burden

$130.00

Material and small tools

$325.10

Direct rate (labor, material, and tools)

$455.10 / EA

Overhead 10% of direct

$45.51

Fee 10% of (direct and overhead)

$50.06

Loaded rate

$550.67 / EA

Related rates

• Commercial roof drain — $577.26 / EA
• TPO overflow scupper — $353.86 / EA
• Tapered polyiso drain cricket — $191.89 / EA

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