A chimney cap is the small, low-cost part that pulls far more than its weight, and a flue left open at the top is a flue inviting trouble in. NorthCrest Chimney Sweep fits chimney caps across Arlington, TX that are sized to the flue they cover, anchored to stay put through a North Texas storm, and screened to shut animals out while still letting the smoke draft freely. We treat the cap as a working part of the chimney, because in a climate of hard rain, hail, summer heat, and the squirrels and birds that will nest in any open shaft, that is exactly what it is.
- Cap sized to the actual flue rather than bought to fit roughly
- Stainless or heavy galvanized build to take the heat and hail
- Screen sized to block animals while keeping the draft clear
- Anchored to hold through North Texas wind and storms
- Spark-arrestor function to stop embers leaving the flue
- Free measure-up and a straight written estimate
The handful of jobs a cap quietly does up top
An open flue is a hole in the top of your house, and several different problems pour straight through it. The first is water. Rain and the heavy runoff of a North Texas storm falling directly down an uncapped flue soak the liner, the smoke shelf, and the firebox, rusting the damper and speeding up the breakdown of the masonry from the inside. The second is animals. Squirrels, raccoons, and birds find an open flue an ideal sheltered shaft to nest in, and a nest is both a draft blockage that pushes smoke and carbon monoxide back into the room and a fire hazard in its own right. A proper cap, screened correctly, shuts both of those out for good.
The third job is catching embers, which carries real weight in Texas. A cap fitted with a spark-arrestor screen stops the burning bits that ride up the flue from landing on a roof, and in a region that spends long stretches dry and under burn caution, a stray ember off a fire is not something you want drifting onto your own shingles or your neighbor's. The fourth job is protecting the draft itself, because a cap with the right screen size and clearance keeps the rain and animals out without choking the airflow the fire depends on. Get the cap wrong and you trade one problem for another. Get it right and it handles the lot quietly for years.
Why the fit and the anchoring are the whole job
A cap is only as good as its fit, and a too-small or loosely fastened cap is barely better than none. We measure the actual flue opening, single or multiple, and fit a cap that covers it fully, with a screen mesh that stops animals without restricting the draft the appliance needs. The material matters just as much. We use caps built to last in the weather rather than the thin ones that rust through in a few seasons and have to be done over, because a cap that fails is a cap that quietly lets the water and the animals back in without anyone noticing until the damage is already done.
Anchoring is the part a cheap install skips, and in North Texas it is not optional. A cap that is not properly secured will lift or shift in the kind of straight-line wind a spring storm brings through Arlington, and a displaced cap stops doing its job the moment it moves. We fasten the cap to hold through the weather these chimneys actually see. If your chimney has no cap, a rusted-out one, or one a storm or an animal has already knocked aside, the fix is usually quick and inexpensive, and it is one of the highest-value small jobs a chimney can have done. We will measure the flue at no charge and tell you exactly what your chimney needs in writing.
Multiple flues and the crown sitting under the cap
A good many Arlington chimneys carry more than one flue on a single stack, a fireplace and a furnace, or a fireplace and a water heater, each needing its own protection up top. When we cap a chimney we account for every flue on it rather than just the obvious one, because a flue left open is a flue letting in all the water, animals, and weather a cap is meant to stop. Whether that calls for an individual cap on each flue or a single larger cover built to span them all, the point is that nothing at the top is left uncovered to quietly cause the damage the rest of the cap is preventing.
The cap also works hand in hand with the crown beneath it, and fitting a cap is a natural moment to look at both. The crown sheds water off the top of the masonry while the cap keeps it out of the flue opening, and a weakness in either one leaves the top of the chimney exposed to the elements. When we set a cap, we tell you honestly what the crown underneath looks like, so you are protecting the whole top of the chimney rather than just one piece of it. Often the cap and a crown repair make sense together, and we will lay out what the top of your chimney actually needs in writing, with no pressure to do more than is warranted.
How your chimney needs connect
A chimney is a system, so chimney cap installation rarely stands alone, it connects to chimney sweep, chimney inspection, flashing repair, chimney relining, chimney repointing, and our crew handles all of it under one roof. We bring the same service to Mansfield chimney cap installation, Kennedale chimney cap installation, Chimney Cap Installation in Pantego, Dalworthington Gardens chimney cap installation and everywhere else across the Arlington area.
If you searched for chimney sweep near me, you have reached a local crew, call 325-222-0849 any time. For background, read The Yearly Sweep Every Arlington Fireplace Needs on our blog, or head back to our Arlington home page to see everything we do.