A construction warranty protects an owner only if someone uses it. When defects go unlogged, notices go unsent and records get lost in the handoff to facilities staff, correction periods can expire while problems remain unresolved.
A construction warranty begins protecting an owner on the day a project reaches substantial completion, yet much of that protection depends on what the owner does afterward. When nobody is assigned to log defects, notify responsible parties and follow repairs through to completion, coverage periods can run out while problems remain unreported or unresolved.
Most construction contracts include a correction period during which the contractor must fix work that does not conform to the contract documents. General conditions published by the American Institute of Architects set that period at one year after substantial completion and require the owner to give prompt written notice of defective work. Manufacturer warranties on equipment and building systems run on separate schedules, may differ in length and sometimes begin at startup, shipment or registration rather than at completion.
Turnover creates the first point of vulnerability. Project managers, architects and construction staff who know the building best typically move on to other jobs soon after closeout, and daily responsibility shifts to property managers or facilities teams who may not have been involved during construction. If warranty certificates, contact lists and start dates do not travel with that handoff, the new team may not know which party covers a given failure or how long coverage lasts.
Whether an issue ever becomes a claim depends on how it gets reported. Occupants often notice leaks, cracks, faulty controls or uneven temperatures first, but their complaints may go into a maintenance request system that treats every call as routine work. Repairs handled in house or by an outside vendor can resolve the symptom while leaving no record that the contractor or manufacturer should have paid for the fix.
Documentation also affects claims that do reach a contractor. Warranty obligations generally cover defects in materials and workmanship, not damage from misuse or missed maintenance. Many manufacturer warranties require proof of scheduled servicing, filter changes or inspections, and a gap in those records can give the manufacturer grounds to deny coverage.
Recurring problems add another layer. A defect repaired once under warranty can return after the correction period ends, and without a history showing earlier occurrences, an owner may have difficulty establishing that the original work was deficient.
Owners use several tools to keep warranty coverage usable. A warranty log lists each warranty along with its responsible party, start date, expiration date and notice requirements. Closeout packages typically include operation and maintenance manuals, warranty certificates and record drawings. Many owners schedule a building walkthrough with the contractor around the eleventh month after substantial completion so defects can be documented in writing before the one year correction period expires.
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