Window Leak Repair Scope and Proposal Checklist

Require a clear symptom baseline

The proposal should identify where water appears, what event history was reviewed, which photographs or prior records were considered, and what was visible during the visit. “Window leaks” is not enough. A head drip, lower-corner stain, adjacent ceiling mark, and wall damage below the sill create different questions. The baseline should also state whether the area was wet, dry, inaccessible, or altered by a recent patch.

Separate the opening from adjacent construction

Confirm whether the scope includes the window unit, glazing, operable parts, perimeter joint, trim, flashing, surrounding stucco or siding, roof edge, gutter, deck above, interior finishes, or only selected components. Water near a window does not prove the unit failed. A comparable bid states which interfaces are being corrected and which remain outside current access, evidence, manufacturer responsibility, or proposal.

Define investigation and testing limits

State whether the work relies on visual review, event photographs, controlled opening, or testing by an appropriate responsible party. Any testing should have an agreed method, protection plan, and limitation; avoid one-size-fits-all protocols. If finish removal is included, identify the initial boundary, containment, temporary protection, documentation, and hold point. Investigation should answer a specific path question rather than authorize unlimited demolition.

List exterior water-control work

Name the flashing, membrane, sealant, stucco, siding, trim, roofing, gutter, penetration, or drainage detail actually included. Ask what visible or exposed evidence supports each item and how adjacent materials will be restored. A proposal that says only “seal window” may omit the wall and roof relationships that matter. It should identify any product information, specialist input, or permit review needed before selecting a final detail.

List interior protection and restoration

Confirm furniture and flooring protection, window coverings, dust control, drywall or trim removal, insulation decisions, texture, primer, paint boundaries, room usability, and daily security. Interior patch-back should follow authorized water-control work and material decisions. Existing paint and texture may not match exactly. A complete comparison includes these consequences instead of treating the exterior repair price as the total cost to return an occupied room to use.

Define proof and reporting honestly

Progress photographs can document preparation and covered details visible during work. Completion photographs can show patch boundaries and finish condition. Neither proves performance in every storm, and a dry visit does not disprove the reported leak. Ask the proposal to distinguish observation, contractor conclusion, unresolved possibility, and excluded condition. Avoid converting one successful rain event or surface repair into an unsupported guarantee of the complete wall assembly.

Plan approvals for changes

For concealed conditions, identify who receives photographs, who can approve added work, how price and schedule changes are presented, and how the opening remains protected during review. At rentals, residents coordinate access while the authorized owner or manager controls scope and cost. Compare proposals using the same categories so a low number is not mistaken for equivalent work when it excludes opening, patch-back, equipment, or related trades.

• Recorded symptom and event evidence
• Window-unit and adjacent-wall boundaries
• Investigation or testing responsibility
• Exterior water-control components
• Interior protection and finish restoration
• Documentation and unresolved limitations
• Written approval path for concealed work

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