Custom Coil & Flat Sheets

Custom Coil & Flat Sheets

Custom Coil & Flat Sheets

Custom Coil & Flat Sheets

At Mueller, we stock a wide range of gauges, widths and paint finishes for your custom coil and flat sheet requirements. Our vast inventory selection of premier metal products, coupled with the personal service you can only find from Mueller, has been the foundation of our business for over 90 years.


  • Vast selection of designer colors and gauges
  • Custom coil widths and lengths (minimum of 500 linear feet)
  • Custom trim and matching colors
  • Supporting products (fasteners, underlayment, clips & closures)
  • Quick turnaround time
  • Convenient locations for easy pickup
  • Job site delivery (for a fee)

Flat Sheets

  • Available in full width up to 21 feet.
  • 26 gauge in 41 9/16" width
  • 24 gauge in 48" width
  • 22 gauge in 43" width (Galvalume Plus & Weathering Steel only)


Coils are packaged with rain cap, ID and OD protector.  

Flats are packaged with strippable plastic and can be rolled or palletized. (additional pallet charge)

For a larger view of our packaging click here.

Coil Color Availability 

Coil Color Availability

To download the Color Availability Chart, click here.         To download the 24 Gauge Coil Color Chart, click here.


Galvalume Plus primed cold rolled sheets with a minimum coating weight of AZ50  are an per ASTM A792.

**NOTE: Pass-through Galvalume warranties for coils vary depending on the provider. Ask your sales representative for more information.

The following fall under Sherwin-Williams® liquid coatings for coil coat application limited warranty for WeatherXL:

  • Bright White
  • Aged Bronze
  • Medium Bronze
  • Dark Bronze 
  • Dark Charcoal
  • Charcoal Gray
  • Mansard Brown
  • Burnished Slate 
  • Cocoa Brown 
  • Black
  • Matte Black 
  • Smokey Pewter 
  • Desert Tan 
  • Rustic Red 
  • Light Gray

All other colors fall under AKZO NOBEL liquid coatings for coil coat application limited warranty for CERAM-A-STAR® 1050 CC and Trinar CC coil sales only except for Orange and A606 Weathering Steel which have No Warranty. 

Please visit Coil Warranty for more detailed information.