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205 Herricks Rd

Garden City Park, NY 11040

Chimney Cap Source
Servicing Home Owners & Contractors since 1948

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WSA - Weather Shield
Chimney Caps

WSA Weathershield caps were designed as a replacement cap for Class A chimneys with solid pack insulation. Tight friction fit allows this cap to slip down inside the chimney securely. Available with 1/2" spark arrestor mesh.

WSA for Round Chimneys

For round single wall metal chimneys, masonry chimneys, chimney liners and solid pack insulated chimneys. Fits square and rectangular chimneys with adaptor.

WSA-3 3 inch diameter
WSA-4 4 inch diameter
WSA-5 5 inch diameter
WSA-6 6 inch diameter
WSA-7 7 inch diameter
WSA-8 8 inch diameter
WSA-9 9 inch diameter
WSA-10 10 inch diameter
WSA-12 12 inch diameter
WSA-14 14 inch diameter


weathershield size chart


weathershield stainless steel chimney cap

stainless weathershield chimney cap for metal chimney flue

how to clean chimney with weathershield chimney cap

WSA- TDW Weather Shield
Air Cooled Chimney Caps

CAUTION: An Air Cooled Cap must be used for Air Cooled Pipe. 
DO NOT attempt to use a standard WeatherShield for air cooled pipe.

Not sure if you have an air cooled pipe system... call or e-mail us.

WSA TDW for Air Cooled Chimneys 

Designed exclusively for air-cooled chimneys, the TDW line of Weathershields assures self-adjusting secure wind-resistant fit, without interfering with the convection cooling features of air cooled chimneys. The spring tension connector enables the TDW Weathershields to fit double and triple wall air cooled chimneys

WSA-6TDW 6 inch diameter
WSA-7TDW 7 inch diameter
WSA-8TDW 8 inch diameter
WSA-9TDW 9 inch diameter
WSA-10TDW 10 inch diameter
WSA-12TDW 12 inch diameter
  And remember, measure twice order once.

air cooled weathershield chimney cap size chart


air cooled weathershield chimney cap

air cooled chimney cap lifters flange

air cooled chimney cap flanges


The Weathershield Chimney Cap is easy to install. It fits directly into round flues.  Square and rectangular chimneys require a stainless steel adapter that is adjustable and fastens securely to the inside of the flue. Chimneys should be cleaned and inspected before installation by a chimney professional and must conform with fire, safety and building codes. Installation instructions are furnished. 



Easy To Remove Screen Easy To Clean and Inspect

The Weathershield does not need to be removed for annual chimney cleaning and inspection. Simply unscrew and remove the top cover and screen, tilt support, and brush directly through the Weathershield. The top can also be closed against the bottom with an optional closure kit for sealing the chimney when not in use. Optional 1/2" screen and top supports are also available.


Weather Shield +  Storm Guard = Storm Shield

StormShield Model STS-TDW
for air cooled double and triple wall flue pipe

Above are options to fit the most common air cooled flue pipe sizes.
  Please call us to order any other size.

Ideal cap for coastal locales and areas where wind and wind driven rain are prevalent.

Split collar allows for a secure fit
Easy assembly  100% Stainless
Top w/ Storm Shield is easily removable
for access and cleaning
Storm Shield protects flue system
from most weather conditions

Sizing for an air cooled StormShield

Air cooled flue pipe needs to be measured by its INSIDE measurement.

Typically... an air cooled flue system will consist of an inner and outer pipe(s) with an air space between them.  Some systems may have braces, wire, tabs or smaller openings between the layer(s) of pipe.  The distinguishing factor for this system is that the spacing channels from the top where the chimney cap would go all the way to the start of the flue system.

Note: All layers of pipe need to be at the same level for proper installation.  Most pipe can be trimmed or extended to accomplish this.

CAUTION: An Air Cooled Chimney Cap must be used for Air Cooled Pipe.
DO NOT attempt to use a standard STS StormShield Cap with air cooled pipe.


Air cooled double and triple wall flue systems need an air cooled chimney cap.

The inner pipe of an air cooled system is for smoke and flue gases.
... the larger surrounding outer pipe(s) will vary in size depending on the air space between the pipes and manufacturers design.
This air space needs to be vented to insure the flue systems proper function.
An air cooled pipe system uses the air space as an insulation value.  The more spacing between the pipes, the less heat to the outer pipe(s), and the closer one can build to the system.

Call 1-800-685-8263 or e-mail us at info@volko.com


single flue chimney cap

double flue chimney cap

multi flue chimney cap

round chimney cap


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  Go to Downdraft & Wind Loading Explanations.  
  Go to Spark Arrestor Explanations.
  Go to Home Page & Chimney Cap Selection



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