About This Service
Confirm Fit Before Choosing the Product
Outlet shape, dimensions and fitting method determine cap selection. A photograph can suggest a style but cannot confirm compatibility. Twin assesses the termination before specifying the replacement; homeowners can describe the concern from the ground and leave elevated measurements to the service visit.
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.
Specify the Complete Attachment Work
A cap quote should identify installation as well as the supplied product. Attachment details belong to the applicable instructions and condition at the site. A box of generic fasteners or a homeowner’s proposed securing method does not establish an appropriate installation.
Recognize a System-Specific Termination
A factory-built chimney may use a termination designed for its complete assembly. An ordinary masonry cap is not a default substitute. The installed system’s identification and instructions must establish the replacement, including which surrounding components can remain.
Report Changed Operation as a Separate Concern
If fireplace behavior changed before or after an earlier cap fitting, include that history. It does not prove the cap caused the problem, but the connected system deserves assessment. Do not keep operating a suspect fireplace to test a theory about the outlet.
