Heat-weld seam TPO

What’s in this rate

This unit is heat-welding one linear foot of TPO field seam with a hot-air welder. The roofer cleans the lap, welds, and probes the seam. The rate is per linear foot of weld. Full TPO membrane field install already includes typical field seams; use this when seam work is broken out or for repair densify.

Build-up

Labor 0.08 hr × $65.00 wage and burden

$5.20

Material and small tools

$1.00

Direct rate (labor, material, and tools)

$6.20 / LF

Overhead 10% of direct

$0.62

Fee 10% of (direct and overhead)

$0.68

Loaded rate

$7.50 / LF

Related rates

• Roof drain clamp ring — $100.73 / EA
• Roof insulation adhesive — $1.89 / SF
• Standing seam metal roof — $16.59 / SF

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