2026 project cost
Install Roof Decking Cost
$2,600 to $4,687 for 1,000 sq ft, or about $2.60–$4.69 per sq ft. That covers 4 material line items and about 16 labor hours, plus a permit.
Estimate your install roof decking project
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Estimated total
$2,600 – $4,687
materials + labor + permit
What the materials cost
- Materials 59% · $2,752
- Labor 31% · $1,435
- Permit 11% · $500
Quantities for 1,000 sq ft, including a 12% waste allowance.
| Material | Qty | Cost |
|---|---|---|
| Roof Decking Panels (OSB or Plywood, 4x8 ft, 5/8") | 35.85 SHEET | $932 – $1,864 |
| Drip Edge Flashing | 179.2 LF | $358 – $717 |
| Construction Adhesive | 8.97 TUBE | $54 – $108 |
| 2-in Smooth Shank Electro-galvanized Roofing Nails 3817 -Per Box | 1.13 EA | $45 – $64 |
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How long it takes
- 1
Site Preparation & Safety Setup 3-4 hours
Clear the roof area in your area, set up ladders and fall protection, and inspect the framing for damage or rot before starting decking installation.
- 2
Material Staging & Layout 2-3 hours
Deliver and stage decking panels near the work area in your area, measure and mark rafter locations, and plan panel layout to minimize waste.
- 3
Decking Installation 20-22 hours
Install roof decking panels over rafters in your area, staggering seams and securing with appropriate fasteners. Ensure proper spacing and alignment for structural integrity.
- 4
Inspection & Sealing 2-3 hours
Inspect all fasteners and seams, replace any damaged panels, and seal joints or gaps as required by your area building codes.