Business & Contracts
What is Change Order?
Roofing Glossary · Business & Contracts
Definition
A written amendment to the original roofing contract documenting additional work, materials, or costs that arise during a project beyond the original scope. Common roofing change orders include replacement of deteriorated decking discovered after tear-off, additional flashing work, or code-required upgrades. Any change order should be in writing and signed before work proceeds. Unscrupulous contractors may use excessive undisclosed change orders as a bid-and-inflate tactic.
Related Roofing Terms
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PermitAn official government authorization required by most municipalities before a roofing replacement or...
→Lien WaiverA signed document from a contractor or subcontractor waiving their right to file a mechanic's lien a...
→Tear-OffThe complete removal of existing roofing materials — shingles, underlayment, and sometimes damaged d...
→DeckingAlso called sheathing, the decking is the structural boards or panels — typically 7/16" or 1/2" OSB ...
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