A roof recover, often called an overlay or shingle over, is installing a new roof covering over an existing roof covering instead of removing the old material first.
In the best-case scenario, an overlay may be possible when the existing roof is in good condition, has not had prior leak problems, meets local code requirements, and is allowed by the manufacturer. Even then, it is not the same as a full tear-off replacement.
Why It Matters
An overlay can hide damaged decking, old leaks, ventilation problems, and poor installation details. It does not allow the contractor to address deeper issues beneath the existing roof layer the same way a tear-off does. It may also affect warranties and long-term performance.
Common Problems
Common issues include too many roof layers, uneven surfaces, hidden rot, trapped moisture, fastener problems, and manufacturer limitations. Future leaks can also be harder to diagnose because water may travel between the old and new roof layers before showing up inside.
Building Codes & Industry Standards
Roof recover work must follow local code, existing-layer limits, manufacturer instructions, and structural considerations.
Exterior Echelon Notes
Exterior Echelon generally wants homeowners to understand what an overlay hides before choosing it as a cost-saving shortcut. A full tear-off is usually the cleaner option when the goal is to inspect the roof properly, correct old problems, and install the new system to modern standards.
