About This Service
Identify the requested outcome
You may need a recurring drip addressed, a damaged cover replaced or an earlier recommendation explained. Naming that goal helps frame the assessment. Twin explains what the proposed repair covers instead of bundling several unrelated concerns into a vague waterproofing package.
Use records to clarify prior work
A previous estimate can identify whether flashing, masonry or a chimney-top component was actually repaired. Share it when available. That distinction helps avoid attributing a later symptom to a component that was never part of the earlier scope.
Keep Interior and Exterior Observations Paired
A photograph of the indoor stain and an existing image of the outside chimney can describe different parts of the same request. Neither establishes the whole water path. Keep their dates and locations clear so the assessment does not compare an old condition on one surface with a new observation on another.
Confirm Treatment Suitability
A surface product must suit the material and condition to which it is applied. Existing coatings and unrepaired defects matter to that decision. Twin discusses the purpose of a proposed treatment after assessment, rather than offering it as an automatic addition to every chimney leak repair.
Record New Damage Without Assuming Its Cause
If a chimney concern was noticed after a weather event, describe the change and when it was first seen. That timing helps establish the history but does not determine every damaged component or responsibility for repair. Assessment should identify the present condition before the work is specified.









