Your One Stop For Metal Siding, Roofing, and Trim Supplies

Build with the best! Find the locally manufactured products you need to get the job done right.


Metal Roofing & Siding

For your home, farm, or business, shop ProPanel and SnapLock roofing and siding for durable metal buildings that look and function great in all weather conditions.

3′ Wide ProPanel

  • 28 Gauge
  • 16 Colors
  • 40 yr

16” Wide Snaplock

  • 26 Gauge
  • 14 Colors
  • 40 yr

12” wide Snaplock

  • 26 Gauge
  • 12 Colors
  • 40 yr


  • .8mm
  • 10 yr


Select from a wide range of trim profiles, or tell us what you need, and we’ll make it! Choose from a selection of trim color options to make your project look seamless.


No more looking for odds and ends in every shop in town. Everything for your metal building is right here at the Metal Mill. We have fasteners, insulation, decktites, vents, and more, in all the styles and sizes you’ll need.

Carport Kits

Don’t leave your ride out in the rain—The Metal Mill can fabricate the tubing and panels for your carport to order! Call us for pricing on custom sizing and roof options.

Why Choose The metal Mill?

  • Manufactured in Washington State
  • High-quality steel products in a wide variety of colors
  • No middlemen—we work directly with homeowners and contractors
  • Wide selection of fasteners and accessories for metal roofing, siding, and trim
  • Locally-owned expertise for 50+ years
  • Friendly answers to your product selection and installation questions
  • Custom fabrication for roofing, siding, and flashing
  • Custom Design & Engineering