Chimney cap installation on homes across Nurmi Isles
A new cap should leave sweeping access open, so we explain how it comes off for later cleaning.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
What a failing chimney cap looks like
- Rain dripping onto the fireplace floor
- Cap fasteners loose or missing
- One flue capped and another left open
- Nesting material showing at the top
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Small details that decide a chimney cap fit
Adjustable caps for awkward flue sizes
Some caps use brackets that slide along slots, so one cap can fit a range of flue sizes. Others use braces that clamp onto the tile from above. These designs help where a flue is an unusual size, but they still depend on a firm grip on sound tile.
We measure before choosing an adjustable cap, rather than assuming it will suit any opening. A bracket set at the limit of its range may not hold as well as one set near the middle. If the measurements fall outside the adjustable range, a made-to-measure cap is usually the better answer, and we explain why.
Open area under the lid and the draw
A rain cap sits over the flue with open sides beneath its lid. The Florida Building Code sets a minimum for that open area, in proportion to the flue outlet the cap serves. A cap that is too small or sits too low can narrow the path the smoke has to take.
We size the cap against the flue it covers, not against the width of the chimney. Where one cap covers several flues, each flue still needs its own clear path out. If your fireplace smoked after an earlier cap was fitted, mention it when you call. That history tells us where to start looking.
Crown repair stays a separate line
The crown is the sloped top of a masonry chimney around the flue. It sheds water off the chimney and has its own requirements in the building code. A new cap sits on or above it but does not repair it.
If the crown is cracked or crumbling, water can enter the chimney whether or not the cap is new. We look at the crown during the cap inspection and tell you what we see. Crown repair then appears on the estimate as a separate item, with its own description. You can decide on it independently from the cap.
Fasteners that last in sea air
In salt-laden air, the fasteners deserve an early look. Thin screws and bolts have little metal to lose, and once they rust through, a sound cap can work loose in the next strong wind.
We use the fasteners the cap maker supplies or specifies and check that they suit the cap metal. On maintenance visits to homes near the water, we look at the fasteners first. Loose or corroded ones can be replaced before the cap moves. The written record lists the fasteners used, so the right ones can be matched later.
Your chimney cap quote in Nurmi Isles, itemized
- Flue count and position on the top
- Access for later sweeping and screen cleaning
- Open flue covered at day's end
- Workmanship warranty on the installation
Asked about chimney cap replacement in Nurmi Isles
Do I need to measure the flue before calling you?
No, and please stay off the roof. We measure every flue during the free inspection, along with the crown or tile the cap will fasten to. You only need to describe what you have noticed and roughly when it started.
Can one cap cover several flues on my chimney?
Often, yes. A multi-flue cap mounts on the crown and covers all the flues together. It needs a crown sound enough to hold its fasteners and enough height to clear the tallest flue, so we check both before recommending it.
Does a chimney I do not use still need a cap?
An idle flue is still open to rain, leaves and animals, so a cap does useful work there. If you have plans for the fireplace later, mention them, because the flue and the appliance decide which cap suits it.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo