★ Quick Answer
Roof decking (the plywood or OSB sheathing under the shingles) is inspected during every replacement. Decking replacement costs $80-$150 per 4x8 sheet plus labor.
Roof decking (the plywood or OSB sheathing under the shingles) is inspected during every replacement. Decking replacement costs $80-$150 per 4x8 sheet plus labor.
Common Reasons Decking Is Replaced
- Rot from prior leaks
- Sagging from inadequate ventilation
- Damage from prior nail patterns (overuse)
- Plywood delamination from moisture
What Most Austin Roofs Need
Typical 2,000 sq ft residential roof: 0-6 sheets of decking replacement, $400-$1,200 of additional cost.