2147C Fletcher Ave Indianapolis, IN, 46203   800.897.8481   317.636.0751   Facebook   Twitter

Single-Flue Caps

Premier Stackable 4 Pack Single Flue Caps
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Premier Stackable 4 Pack Single Flue Caps

With Premier Stackable Single Flue Caps, you'll be able to inventory more product in less space and greatly reduce shipping costs! Check out these Features and Benefits:
  • Highly Durable Sizes ranging from 9"x9" to 18"x18"
  • Designed for Single Flue Masonry Chimneys
  • Works for Wood, Pellet, Oil, Gas, and All Other Fuels
  • 304-alloy Stainless Steel Construction with 3/4" rust resistant Mesh
  • Base & Mesh are 18-gauge; Lid is 24 gauge
  • Single-piece Base and Screen Frame—for added strength
  • Heavy-duty Screen—keeps out critters and debris
  • Easy to Assemble and Install
  • Removable Lid with Open Screen Frame—makes for easy access and maintenance
  • Attaches directly to the chimney's flue tile—to protect both the flue and crown
  • Lifetime Warranty
HY-C Single Flue Universal Caps
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HY-C Single Flue Universal Caps

Constructed of 18 ga 304 Stainless Steel with a ¾" expanded stainless steel mesh (⅝" mesh also available). These caps mount to the outside of the flue tile providing greater free air space for better draft. HY-C leg kits attach cap to the inside of the flue if your flue tile doesn't extend above the crown.
HY-C ShelterPro Single Flue Caps
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HY-C ShelterPro Single Flue Caps

Constructed of 24 ga 304 stainless steel with ¾" mesh. HY-C ShelterPRO caps have a smaller lid than traditional HY-C Single Flue caps making it easier to install caps side by side.
Gelco Single Flue Caps
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Gelco Single Flue Caps

Constructed of 18 gauge 304 stainless steel with a 3/4" expanded stainless steel mesh. These caps mount to the outside of the flue tile providing greater free air space for better draft. Gelco Flue Grippers attach cap to the inside of the flue if your flue tile does not extend above the crown. Copper caps are available on special order.
Gelco Single Flue Multi-Pack Caps
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Gelco Single Flue Multi-Pack Caps

Constructed of 18 ga 304 Stainless Steel with a 3/4" expanded stainless steel mesh (5/8" mesh also available). These caps mount to the outside of the flue tile providing greater free air space for better draft. HY-C leg kits attach cap to the inside of the flue if your flue tile doesn't extend above the crown.
HY-C Round Single Flue Caps
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HY-C Round Single Flue Caps

Stainless steel single flue cap has welded on legs. It is also available in stainless steel black painted and black painted galvanized, special order. Call for quote.
HY-C Multi-Pack Single Flue Caps
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HY-C Multi-Pack Single Flue Caps

Need to store more caps in your van? These are packed 4 per box giving you 16 caps in only 4 boxes.

Multi-Flue Caps

Premier Top Mount Multi-Flue Caps
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Premier Top Mount Multi-Flue Caps
The multi-flue cap has a top mount design that easily attaches to the top of the chimney crown or brick with chimney top adhesive and tapcons (included with each cap). All Premier Top Mount Multi-Flue Caps have a hinged mounting system that gives extra space for a tight fit. Premier Multi-Flue Caps are available in virtually all lengths and widths and four standard heights: 8", 10", 12", and 16". (Height doesn't affect price.) Our most popular sizes have special, discounted pricing. Note: The lid extends 3" beyond the side of the cap. So for example, a 9" x 9" cap would have a lid that is 15" x 15".
Pitched Skirt Multi-Flue Caps
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Pitched Skirt Multi-Flue Caps
Pitched Skirt Style Multi-Flue Caps are made from 24 gauge 304 stainless steel with a removable lid. The lid extends beyond the sides of the skirt. The standard skirt size is 3" and the pitched section on top is 2" long. All custom sizes and heights are available between 9"-33" wide and 9"-84" long. Call us for pricing on custom sizes outside above mentioned dimensions. Powder coating is available upon request. Please call 800-897-8481 for pricing.
HY-C Universal Covers
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HY-C Universal Covers
These covers fit 95% of masonry flue tiles. They are available with ¾" mesh and ⅝" mesh to meet California code. The secure inside anchoring system is ideal for windy conditions. Available in both black and stainless, adjustable so one size cover is able to fit several flue sizes, reducing sizes needed on hand. The 13" x 13" cover will fit flues from 7" x 7" to 13½" x 13½" and will work on square, round or rectangle flues. The 13" x 20" cover will fit rectangular flues from 7" x 14" to 13" x 20½" and 13" x 13" square. All covers are 304 stainless steel and will work on extended flues or flues that are flush.
HY-C Multi-Flue Caps
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HY-C Multi-Flue Caps
Premier Multi-Flue Caps are available in virtually all lengths and widths and four standard heights: 8", 10", 12", and 16". Our most popular sizes have special, discounted pricing which is already calculated in the table below. Note: The lid extends 3" beyond the side of the cap. So for example, a 9" x 9" cap would have a lid that is 15" x 15".
HY-C Multi-Flue Caps (Hinged)
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HY-C Multi-Flue Caps (Hinged)
This Big Top model is an easy solution for the multi-flue chimney. These caps have a removable hood for easy cleaning and swing tab hinges for easy mounting. It gives you the flexibility to mount them inside or out. Tapmark masonry screws and tube of adhesive are included. Lifetime warranty on stainless steel and copper and a 7-year warranty on galvanized.
Gelco Multi-Flue Caps
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Gelco Multi-Flue Caps
Some of you may know this as Gelco's Model Cap. This easy to install cap is available in stainless steel or copper. It is either pre-assembled or knocked down to conserve shipping costs and van space. Gelco multi-flue caps come in 8", 12" or 16" heights, all measurements are screen to screen.
Gelco Chimney Protector
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Gelco Chimney Protector
Now available in 16 different sizes with 3/4" mesh, 10" height. Three sizes are currently available in 12" height. The package is the same as the Gelco Model Multi-Flue, but with top mounting reversible mounting strips that swing in or out as needed for the best fit. To install this knockdown model, simply stand up the sides, drop in two hinge pins, attach the lid with either wing nuts or cap screws (both included) and secure it to the chimney.

Hip and Ridge Caps

Hip & Ridge Caps
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Hip & Ridge Caps
Hip and Ridge Caps are made from 24 gauge 304 stainless steel. They are available in knock-down style or pre-assembled. Hip and Ridge Caps come with a 4" overhang on all four sides and a hinge flange on the bottom. They are designed with the lid secured to the frame from underneath which results in a leak proof lid. Powder coating and copper are available upon request. Please call 800-897-8481. Cap sizes between 9"-32" wide and 9"-72" long and 6", 8", 10", 12", 16" height use the formula listed below.

Co-Linear Caps

Co-Linear Caps
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Co-Linear Caps
Co-Linear Caps are made from 24 gauge, 304 stainless steel construction. The standard is a 4" diameter collar for exhaust and a 4" collar for make-up air. EZ connect bands are for connecting the liner to each collar, therefore no drilling, screwing, or riveting is required. Co-Linear Caps attach to terra cotta flue tiles with our standard flue fit connection. National Chimney's Co-Linear Cap is the only cap in the industry with a standard flip top lid allowing for easy access for cleaning. We offer a 4"-3" adapter with EZ clamp connections for 3" liner connections.

Liner Caps

HY-C Liner Caps
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HY-C Liner Caps

These caps are made of 100% 304 stainless steel and have a removable 3/4" stainless steel mesh. It comes completely assembled and ready to strap around the outside of the liner with a 2" drawband and slotted hex head bolts and nuts.

Wind & Storm Caps

Vacu-Stack
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Vacu-Stack

The premier chimney cap for solving common wind-related chimney draft problems, Vacu-Stack caps protect the chimney from rain, snow, debris, and animals. The Vacu-Stack is made to fit solid pack Class A, Masonry, or Single Wall Chimneys. Stop down drafts and smoking caused from:
  • Mountain winds in homes near slopes
  • Wind deflected by tall trees
  • Erratic, turbulent wind around buildings or other obstructions
  • Appliances vented through the side of buildings It is made of 304 stainless steel and available in 3" - 10" round diameters and in 8" x 12" and 12" x 16" rectangular sizes. To install, simply slide the Vacu-Stack into the pipe and seal with a high temperature silicone sealant.
It is made of 304 stainless steel and available in 3" - 10" round diameters and in 8" x 12" and 12" x 16" rectangular sizes. To install, simply slide the Vacu-Stack into the pipe and seal with a high temperature silicone sealant.
Vacu-Stack Model TDW
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Vacu-Stack Model TDW

With its purpose the same as the original Vacu-Stack, this model is specifically designed for use with double or triple wall air-cooled or air-insulated chimneys. The new one-piece Vacu-Stack TDW design for air cooled chimneys is now leakproof because it is self-flashing. This new design eliminates the need to caulk and seal the VSS unit to the termination cover.
Air Cooled Vacu-Stack Preassembled with Screens
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Weather-Shield Chimney Cap Model WSA
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Weather-Shield Chimney Cap Model WSA

A unique alternative to the traditional chimney cap. Its 304 stainless steel construction assures superior corrosion resistance to weather and the hostile flue gas environment. Despite adverse weather, the WeatherShield will not rust. For use with solid pack Class A, masonry, and single wall chimneys keep out rain, snow, leaves, and animals, but keep sparks in.
Weather-Shield Chimney Cap Model TDW
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Weather-Shield Chimney Cap Model TDW

This model is made to fit airinsulated Class A double or triple wall chimneys.
Vacu-Stack TallBoy
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Vacu-Stack Tall Boy

A new Vacu-Stack with a slip collar that extends 15" below the bottom lid assembly. Tie down straps are included (3) to secure the cap and eliminate liner float. 100% 304 Stainless insures a long life; ½" (S5) and 1"(S1) screens available.
StormShield Tallboy
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StormShield Tallboy

A new StormShield with a slip collar that extends 15" below the bottom lid assembly. Tie down straps are included (3) to secure the cap and eliminate liner float. 100% 304 Stainless insures a long life.
WeatherShield Tallboy
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WeatherShield Tallboy

A new WeatherShield with a slip collar that extends 15" below the bottom lid assembly. Tie down straps are included (3) to secure the cap and eliminate liner float. 100% 304 Stainless insures a long life.

Accessories

Hardware Packs
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HY-C Leg Kits
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HY-C Leg Kits

Need to store more caps in your van? These are packed 4 per box giving you 16 caps in only 4 boxes.
Cap Mounting Brackets
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Cap Mounting Brackets

Stainless steel legs to adapt any single flue cap to a slide-in style.
Gelco Flue Grippers
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Gelco Flue Grippers

Allows for easy installation of single flue tops on flues where tiles don't extend above the crown. Attach legs and the cap becomes a slip-in style.
Universal Bird & Rodent Guard by Deflecto
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Universal Bird & Rodent Guard by Deflecto

Stainless steel legs to adapt any single flue cap to a slide-in style.
Stainless Steel Replacement Mesh
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Stainless Steel Replacement Mesh

Our Replacement Mesh is also available in Copper and 5/8" California Mesh. We also stock mesh sheet so we can cut to fit any size necessary. Call for pricing on custom sizes.
Raccoon Screens
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Raccoon Screens

This heavy-duty animal control screen is built to prevent access to the chimney from even the most bothersome animal pests such as raccoons or opossums. Its tamper-proof bolt-on attachment method makes it impossible for pests to remove and gain access.
Adapter Plate
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Adapter Plate

The plate is made from 18ga 304 stainless steel and is designed to adapt our National Chimney skirt style Co-Linear cap to a flat surface. If you need a Co-Linear cap but you do not have a ceramic flue tile to connect it to, this plate is the answer. The plate will sit nicely onto a flat crown surface or a flat top plate. The plate has a 2" high collar that slips inside the Co-Linear cap. The angle flanges on the plate have slotted holes that line-up with the cone point screws on the Co-Linear cap for easy connection. The plate has a 2" border on all four sides for either mortaring into the crown or for screwing down to a top plate.
Conversion Kit
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Conversion Kit

Convert your Weathershield into a Stormshield to keep out driving rains; also functions similar to a Vacu-Stack when there's wind related downdrafts.
Masonry Adapter
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Masonry Adapter

Adapt your Vacu-Stack or WeatherShield to any standard masonry flue using this adapter.