Metal Trim, J-Channel & Roofline Accessories in Twin Falls

Canyon Exteriors stocks the metal that finishes an exterior: Gentek aluminum soffit and fascia, J-channel, steel starter strip, trim coil and more, ready for same-day pickup in Twin Falls. Shopping for soffit or fascia? Our aluminum soffit and aluminum fascia pages list every stocked color and size.
Siding the whole wall in steel? See Gentek SteelTek Supreme steel siding: 29-gauge Galvalume with a Kynar finish and 50-year hail protection (special order). We stock the white steel J-channel and 3/4″ outside corners to finish it.
We stock Gentek Hi-Tensile aluminum soffit (center-vented in 18 colors, solid in White, Black, Bronze and Musket Brown) and Gentek ribbed aluminum fascia (6″ in 18 colors, 8″ in White, Black and Musket Brown), all backed by Gentek’s lifetime limited, transferable warranty. We also have limited Klauer Premium soffit and woodgrain fascia in black, while supplies last.
We also carry all the metal accessories you need to complete the job: smooth and woodgrain J-channel, steel starter strips, undersill trim, and flashing. Available in stock colors for same-day pickup. Need a color we don’t stock? We can special order from Gentek’s full aluminum line (typically 3–4 weeks).
What We Carry
Gentek Aluminum (stocked):
• 12″ T4 Center Vented Soffit (18 colors) and 12″ T4 Solid Soffit (4 colors)
• 6″ Ribbed Fascia (18 colors) and 8″ Ribbed Fascia (White, Black, Musket Brown)
Klauer:
• Premium T4 Soffit and 6″ Woodgrain Fascia: black only, while supplies last
• Aluminum Gutter Coil (.032″ x 11.875″), select colors
Colors in Stock: See the full stocked color lists on our soffit and fascia pages. Stock changes daily, so call 208-539-0851 to confirm.
Products by Category
Need fascia, soffit, or metal trim?
Call or text 208-539-0851 for pricing and color availability. Not sure whether you need vented or solid soffit, or 6″ or 8″ fascia? Read our soffit and fascia guides or stop by and we’ll walk you through it.
Additional Info
Aluminum Trim Coil: The Finishing Material Most Contractors Underuse
Walk a finished exterior job and the trim work tells you immediately whether the contractor sweats the details. Here’s what aluminum trim coil is, where it belongs and why it’s worth adding to your standard exterior spec.
Vented vs. Non-Vented Soffit: What Every Idaho Contractor Should Know
Soffit looks like a trim decision. It’s not. Getting the ventilation spec wrong affects attic performance, moisture levels and in some cases the roof warranty. Here’s how to get it right.
Why Local Exterior Supply Matters for Magic Valley Contractors
Big-box stores and out-of-area distributors can’t give Magic Valley contractors what they actually need: same-day availability, small-order flexibility and a supplier whose reliability is part of your production schedule.
Exterior Building Materials Twin Falls — Ready for Building Season
Spring in the Magic Valley means project schedules start stacking…
Why Ribs in Fascia Matter More Than You Think for Southern Idaho Homes
Why Ribs in Fascia Matter More Than You Think for…
Why Twin Falls Homeowners & Builders Choose Canyon Exteriors for Siding, Windows, and Exterior Materials
When it comes to building or remodeling in Twin Falls,…











