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WeatherShield Chimney Cap - Air Cooled

TDW WeatherShield model assures a secure wind-resistant fit, without interfering with the convection cooling features of air-cooled chimneys.

As low as $189.99
100% of 100

The Air Cooled WeatherShield chimney cap model assures a secure wind-resistant fit, without interfering with the convection cooling features of air-cooled chimneys. This universal, premier after-market chimney cap protects air cooled chimneys from adverse weather and keeps out debris & animals.

An exclusive spring-tension connector assures a self-adjusting secure fit. The spring-tension connector enables WeatherShields to fit either DOUBLE or TRIPLE Wall Air-Cooled Chimneys. The cap features a 4" extension on the bottom of the chimney cap which gets inserted INTO the inner pipe of the Air Cooled chimney pipe. Therefore, cap sizes are based on the most inner pipe diameter of the Air Cooled chimney pipe. If the inner pipe is recessed down below the outer pipe, or you would like added stability, please see our TallBoy Air Cooled chimney cap.

1/2" or 1" mesh screens are available. Please note if ordering 1/2" mesh screen, it will take an extra 3-7 business days to ship.

An added feature is the removable mesh screen that provides a measure of safety by helping to contain sparks.100% stainless steel construction assures long life and rust-free performance. WeatherShield® features “spring fit” for easy installation and fast removal for chimney cleaning.

Optional: Convert your WeatherShield into a StormShield to keep out hard driving rains. This simply replaces the lid on your WeatherShield chimney cap - easy install! It is removable for quick inspection and cleaning. Also functions similar to a Vacu-Stack when there are wind related downdrafts. Wind-induced downdraft can cause smoke to enter the living space and the StormShield will help reduce the effects.


  • 100% Stainless Steel Construction
  • Installs Easily, Self-adjusting Spring Base
  • Lifetime Limited Warranty
  • Removable Top For Easy Flue Access
  • Easy Maintenance
  • Tested To UL 103 Standard



Inside Flue Diameter Lid Size Diameter
5" 16"
6" 16"
7" 16"
8" Standard 16" / Oversize 19"
9" 16"
10" Standard 16" / Oversize 19"
11" 19"
12" 19"

SIZES: Custom sizes available up to 48". Please contact us for price, shipping time, and specifications.
CHIMNEY TYPES: Double wall or triple wall round, air cooled chimney pipe.

Adapt your WeatherShield chimney cap to any standard masonry flue using this adapter.

Product Overview Video:

Installation Instructions:

Air Cooled

Step 1: Note the Spacers. The three spacers located on the underside of the TDW Air Cooled WeatherShield chimney cap maintain ventilation space between the bottom of the WeatherShield and top of the chimney. This is essential for uninterrupted air flow through cooling channels in air-cooled chimneys.

Air Cooled Parts

Step 2: Assembling the WeatherShield. Move hoop upwards to vertical position and remove wing nut. Center the screen on the bottom plate. Position the top plate so screw at top of hoop passes through center hole of top plate. Secure with the wing nut as shown.

Insert Cap

Step 3: Fitting the WeatherShield inside the flue. WeatherShield chimney caps spring fit inside the round metal or masonry flue. Squeeze the bottom of the WeatherShield and push down into the flue to assure snug fit.

Silicone Cap

Step 4: Applying a Watertight Seal. Apply a thin layer of chimney silicone caulking to seal joint between WeatherShield and top of chimney. The chimney silicone is an optional add-on for this product. If you are installing on rectangle or square flues, please visit the masonry adapter page.

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