SIDING TRIM

Siding, Simplified.

We’ve put together a selection of siding flashing that are tried, tested, and fit for the job—so you can spend less time figuring out the details and more time getting the project done right.


Below is a list of GSMRF's flashing profiles compatible with GSMRF siding profiles. All flashing produced in 10' lengths in 24, 26 or 22 Gauge depending on color availability.


Custom Profiles & Delivery Available

Corner Inside
Corner Outside
'Z' Cap Style 'A'
'Z' Cap Style 'B'
J-Channel Style 'A'
J-Channel Style 'B'
C-Channel Style 'A'
C-Channel Style 'B'
Siding Pre-Flash
Foundation Flashing
Deck Plate
Drip Cap

HOW WE MAKE IT

EQUIP WITH FIVE CNC MACHINES FROM, SHEERS TO FOLDERS, GSMRF CAN PRODUCE FULL FLASHING PACKAGES EXACTLY TO YOUR CUSTOM NEEDS


CNC Precision - Perfect- Every time.

Premium steel colors. Built to last.

Steel Colors

& Finishes

From modern matte tones to timeless earth colors, our premium steel finishes help you achieve the look you want without sacrificing performance.



Manufactured with durable, fade-resistant coatings, our steel panels are designed to withstand Colorado's intense sun, snow, and changing seasons.

Delivery Options

Gunnison Sheet Metal may provide material delivery, roll-off delivery, or on-site roll-forming services as requested by the customer.