Welcome to 
Volko Supply ...Online
Servicing Home Owners & Contractors since 1948
A competitively priced full service building supply...Online!
Full service still exists, and here the premium is on service not on price.
  Wow!!!  I found it at Volko...... and they made it easy to order. 

Full Size Copper Weathervanes | Copper Finials | Cupolas | Metal Ceilings | Oak Grilles Vents & Registers | Copper Roof Vents & Flashings | Gutter Accessories | Underground Garbage Cans | Fireplace & Chimney Dampers | Chimney Cap & Covers | Exhausto Chimney Fans | Chimney Chase Surrounds | Draft Inducers | HVAC Duct Fans

The World is not flat, so why should the crown of your chimney be flat.

Notice the cut and fold to seat this cap to the curvature of the cement crown.

Nice "made it fit"  Job, Mike.  Thanks for the Pictures.