A chimney cap is one of the smallest parts of the whole system and one of the most cost-effective, because an open flue is an open invitation to everything you do not want in your chimney. Rain straight down the flue, birds and squirrels nesting in the smoke shelf, leaves and debris choking the draft, and embers riding out onto a rowhome roof. FireSafe Sweepers installs chimney caps across Southwest Philadelphia, PA that are measured to your actual flue, built from stainless or copper to last, fitted with spark-arrestor mesh, and secured against the wind that whips across these exposed stacks.
- Stainless or copper caps built to last
- Sized to your specific flue, not a generic fit
- Spark-arrestor mesh to keep embers in and animals out
- Secured against river-corridor and rooftop wind
- Keeps rain, leaves, and debris out of the flue
- Installed alongside an honest look at the crown
What an open chimney top fails to block
A flue with no cap, or with a rusted-out cap that has finally given way, is open to the weather and to wildlife year round. Rain falls straight down it, soaking the smoke shelf, rusting the damper, and accelerating the breakdown of the liner and the mortar from the inside. On the low, damp blocks of Southwest Philadelphia that constant interior wetting does real harm over a season or two. Animals are the other half of the problem. Birds, squirrels, and raccoons treat an open flue as a ready-made den, and a nest packed into the smoke shelf is both a draft blockage and a genuine fire hazard the next time you light up, to say nothing of the smell and the mess when an animal gets stuck.
A cap closes the flue to all of it while still letting the smoke out. The mesh sides keep rain, leaves, and animals from getting in, and the spark-arrestor screen keeps embers from riding the draft out onto the roof, which matters a great deal on a block of attached rowhomes where one roof runs into the next. For so small a part, a cap prevents a remarkable amount of expensive trouble, which is exactly why it is one of the first things we check on any chimney we inspect.
A cap that actually fits and stays put
A chimney cap only does its job if it is sized to the flue and fastened down properly, and the generic, one-size cap pressed onto a stack and hoped for the best is how you end up with a cap blown off in the first hard storm or one that whistles and chokes the draft. We measure the flue and the crown before we order anything, then fit a cap built to match, in stainless steel or copper depending on what you want, both of which stand up to the weather far better than the cheap galvanized caps that rust through in a few seasons. Then we secure it so the wind that comes across these exposed rooftops cannot work it loose.
Because fitting a cap puts us right at the top of the stack, it is also a natural moment to check the crown and the upper masonry, the parts of a chimney that take the worst of the weather and fail first. If we find a cracked crown or open joints up there while we are setting the cap, we will show you in photos and tell you honestly whether it needs attention now or can wait. We are not going to fit a clean new cap onto a crumbling crown and pretend the chimney is sorted, but neither will we manufacture crown work that is not genuinely needed.
Small part, large payoff
Of all the work a chimney can need, a cap is among the best values, precisely because it heads off the slow, costly damage that an open flue invites. The cost of a quality cap is a fraction of what you would spend replacing a liner ruined by years of rain, clearing a nest and repairing the draft, or undoing the water damage that an open flue feeds. Good caps are quiet insurance for the whole chimney beneath them.
We will measure the flue and tell you exactly what your chimney needs, with an honest estimate in writing. If your current cap is rusted, missing, or clearly the wrong size, the fix is usually quick, and it is one of the easiest ways to add years to the rest of the system. A cap also pairs naturally with a sweep or an inspection, since we are already at the chimney with our eyes on the flue, but it never has to wait on a bigger job. If the cap is the only thing your chimney needs, that is all we will quote.
Your whole chimney, one accountable crew
A chimney is a system, so chimney cap installation rarely stands alone, it connects to fireplace sweep, chimney condition assessment, flashing repair, chimney relining, brick repair, and our crew handles all of it under one roof. We bring the same service to Chimney Cap Installation in Southwest Philadelphia, Eastwick chimney cap installation, Elmwood chimney cap installation, Kingsessing chimney cap installation and everywhere else across the Philadelphia area.
If you searched for chimney sweep near me, you have reached a local crew, call 215-618-4690 any time. For background, read Spalling Brick and Freeze-Thaw on Southwest Philadelphia Rowhome Stacks on our blog, or head back to our Philadelphia home page to see everything we do.