Insulation batt R-21

What’s in this rate

This unit is installing one square foot of R-21 fiberglass batt insulation in a wall or partition cavity. The carpenter cuts and friction-fits the batt. The rate is per square foot of cavity face. R-13 batt, R-19 batt, sound batt, and vapor retarder are separate units.

Build-up

Labor 0.03 hr × $55.00 wage and burden

$1.65

Material and small tools

$1.18

Direct rate (labor, material, and tools)

$2.83 / SF

Overhead 10% of direct

$0.28

Fee 10% of (direct and overhead)

$0.31

Loaded rate

$3.42 / SF

Related rates

• Insulation batt R-13 — $2.10 / SF
• Insulation batt R-19 — $3.03 / SF
• Sound batt partition fill — $2.89 / SF

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