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Clarify Removal and Disposal
Removal and disposal should be explicit items in the job. A detached fitting lying on the roof may require different access from an intact cap. Describe its location safely, keep away from falling pieces and leave retrieval to the planned work.
Distinguish an Outside Mount From an Insert Fit
Manufacturers offer caps that fit differently around or within an outlet. Those arrangements are not interchangeable descriptions of the same product. The assessment should identify how the proposed fitting meets the actual termination, while the product instructions control its installation.
Identify Unusual Outlet Shapes
A nonstandard-looking termination should not be forced into the closest familiar product size. Its shape and system identity need assessment. Keep an available model or old part description for the visit; final fit should be established at the outlet rather than inferred from the ground.
Do Not Assume an Unused Opening Is Abandoned
A flue that has not been used recently may still be part of an installed system. Ask for its role to be established before a cover arrangement changes it. Capping for weather protection and permanently closing a passage are different projects.
Review the Edge Around the Fitting
A cap can appear to be the only damaged piece while material at the edge of the outlet also needs attention. The replacement scope should identify whether that supporting area is suitable. A new fitting should not conceal an unresolved repair beneath its attachment.
