Modified bitumen cap sheet

What’s in this rate

This unit is installing a modified-bitumen cap sheet. The crew rolls the cap, closes the seams, and leaves the field ready for details. The rate is per roofing square. Base sheet, insulation, and single-ply membrane are separate units.

Build-up

Labor 1.7 hr × $65.00 wage and burden

$110.50

Material and small tools

$140.05

Direct rate (labor, material, and tools)

$250.55 / SQ

Overhead 10% of direct

$25.06

Fee 10% of (direct and overhead)

$27.56

Loaded rate

$303.17 / SQ

Related rates

• 80-mil TPO, mechanically attached — $315.19 / SQ
• 60-mil EPDM, fully adhered — $434.92 / SQ
• Tear-off, single-ply membrane — $163.35 / SQ

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