Protech Steel

Steel Roofing, Siding, Trim & Accessories

CONTACT INFO
3280 Clearwater Dr.
Billings, MT 59101
Phone: 406-601-3003
Made in the USA
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PRODUCTS RELATED TO YOUR SEARCH

Architecturally Appealing
The 1/4" Lo-Pro has a shallow corrugation with a rib every 4" O.C. This makes for a great panel around outlets and in places where a low profile is desired.

Ease Of Installation
The 1/4" Lo-Pro Panel is a 3' wide exposed fastener panel featuring 1/4" ribs at 4"" on centers, making it cover a lot of ground with minimal effort.


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Rated 5 based on 1 product reviews
CATALOGS

Architecturally Appealing
The 1/4" Corrugated has a shallow corrugation with a rib every 1-1/4". This makes for a great panel around outlets and in places where a low profile is desired.

Ease Of Installation
The 1/4" Corrugated Panel is a 2' wide exposed fastener panel featuring 1/4" ribs at 1.-1/4" on centers, making it cover a lot of ground with minimal effort.


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Rated 5 based on 1 product reviews
CATALOGS
Architecturally Appealing

The 5" x 1/2" Double 5" Lap Siding has a classic lap siding appeal with a 10" coverage and 1/2" depth. This panel is a great modern take on a classic look.

Concealed Fastener

The Double 5" Lap Siding is a 10″ wide lap siding panel featuring a straight five and 90 every 5" and integrated nail flange, delivering bold lap coverage with clean lines and efficient installation.


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Rated 5 based on 1 product reviews
CATALOGS

Architecturally Appealing
The 3/4" Board and Batten has a classic board and batten appeal with a 10" coverage and 2" batten. This panel is a great modern take on a classic look.

Concealed Fastener
The Board & Batten panel is a 10″ wide siding panel featuring a 3/4″ x 2" batten profile and integrated nail flange, delivering bold vertical coverage with clean lines and efficient installation.


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Rated 5 based on 1 product reviews
CATALOGS
Architecturally Appealing

The 35" x 1/2" Dutch Lap Siding has a classic lap siding appeal with a 10" coverage and 1/2" depth. This panel is a great modern take on a classic look.

Concealed Fastener

The 5" Dutch Lap Siding is a 10″ wide lap siding panel featuring a dutch lap every 5" and integrated nail flange, delivering bold lap coverage with clean lines and efficient installation.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The Tuff-Rib panel is a time tested steel roofing and siding panel known for its duribility, versatility, and long-term performance across residential, commercial and agricultural projects

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

UL CLASS 4 IMPACT RATED
Tested and certified to meet UL Class 4 impact resistance, providing enhanced protection against severe weather and hail.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 3' Rugged Rib Panel is a smooth-looking steel roofing and siding option featuring a 36" wide coverage sith evenly spaced ribs standing at 3/4" and a clean, architectural appearance resembling standing seam.

Architecturally Appealing
The Rugged Rib Panel has a 1" rib ever 12" on centers making it a good looking panel aesthetically.

Ease Of Installation
The Rugged Rib Panel is a 3' wide exposed fastener panel featuring 4 ribs at 12" on centers, making it cover a lot of ground with minimal effort.

Rated 5 based on 1 product reviews
CATALOGSDATASHEETS

The 3' PBR Panel delivers strength, coverage, and proven performance with a wide rib profile featuring 1-1/4" rib height spaced every 12", combined with an exposed fastener design that allows for efficient instability and reliable performance. Built for open purlin systems with strong spanning capability, this panel is a trusted steel roofing and siding solution for agricultural, commercial and residential projects. Time-tested and built for the West, it offers bold lines, durability and the kind of performance that has made it the panel that built the West.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

UL CLASS 4 IMPACT RATED
Tested and certified to meet UL Class 4 impact resistance, providing enhanced protection against severe weather and hail.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 1" x 16" Nail Strip panel offers the clean look of standing seam with the durability of American-made steel, making it a reliable roofing and siding solution for both residential and commercial projects.

UL Wind Uplift Rated

Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

UL CLASS 4 IMPACT RATED
Tested and certified to meet UL Class 4 impact resistance, providing enhanced protection against severe weather and hail.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 1-3/4" Snap Lock Panel offers the clean look of standing seam with the durability of American-made steel, featuring a clip-fastened system that allows for thermal movement, reducing stress on the panel over time. With its sleek profile and dependable performance, it serves as a reliable roofing solution for residential and light commercial projects.

The 1.75″ Snap Lock panel is available in both 26-ga and 24-ga color options, providing flexibility in strength, budget, and application. Panel is available in striated and smooth finish.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

Capabile of Long Runs
Designed for long runs, the 1 3/4″ Snap Lock panel expands and contracts on clips and is available in both striated and non-striated options.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

Its mechanically seamed design, concealed fastener system and superior weathertight performance make it a dependable, high-performance choice for demanding roofing applications.

The 1.5″ Mechanical Lock panel is available in multiple gauge and color options, offering flexibility for commercial, industrial, and architectural applications. Designed for low-slope roofs and long panel runs, its 16″ width and strong spanning capability provide reliable performance across demanding projects. With options for fixed or sliding clips to manage structural needs and thermal movement, this system requires a mechanical seamer for installation, delivering a secure, weathertight, and professional finished appearance.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

Water infiltration
The 1.5″ Mechanical Lock panel features a tight mechanically seamed, interlocking design that allows for zero water intrusion, making it a reliable choice for low-slope and high-exposure applications where watertight performance is critical


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 2" Mechanical Lock Panel is a time-tested standing seam system known for its strength, weathertight performance, and proven reliability across commercial, industrial, and archetectural applications.

The 2″ Mechanical Lock panel is available in multiple gauge and color options, offering flexibility for commercial, industrial, and architectural applications. Designed for low-slope roofs and long panel runs, its 16″ width and strong spanning capability provide reliable performance across demanding projects. With options for fixed or sliding clips to manage structural needs and thermal movement, this system requires a mechanical seamer for installation, delivering a secure, weathertight, and professional finished appearance.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

Water infiltration
The 2″ Mechanical Lock panel features a tight mechanically seamed, interlocking design that allows for zero water intrusion, making it a reliable choice for low-slope and high-exposure applications where watertight performance is critical.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 7/8″ Corrugated Panel delivers timeless corrugated style with dependable strength for residential, commercial and agricultural applications. Available in 26 gauge and 24 gauge options, it provides long-term duribility and reliable performance built for tough conditions.

The 7/8″ Corrugated Panel is available in both 26-ga and 24-ga color options, offering flexibility in strength, budget, and application. Precision roll-forming ensures consistent rib spacing and panel alignment, delivering a classic, uniform appearance across roofing and siding applications.

Bold and Beautiful
the 7/8" Corrugated Panel is engineered to be tough! With a continuous corrugation at 2.675" by 7/8" in 26ga and 24ga material, this panel is structurally sound!

Durability
Built for long-term durability and proven in the field, the 7/8″ Corrugated Panel has stood the test of time—so much so that you can still find it on grain silos and structures across the West decades later, continuing to perform in harsh conditions year after year.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS
COMPANY OVERVIEW

We manufacture quality, durable, high-performance steel for projects across the region—where trusted craftsmanship and reliable materials help shape the communities we serve. We produce Montana-made steel:

• Roofing
• Siding
• Trim & Accessories


Built for residential, commercial, and agricultural projects that demand more than just good looks—they demand performance.
Because at the end of the day… We don't just supply steel. We help build the places people call home.

ALL PRODUCTS

Siding Panels  

Architecturally Appealing
The 1/4" Lo-Pro has a shallow corrugation with a rib every 4" O.C. This makes for a great panel around outlets and in places where a low profile is desired.

Ease Of Installation
The 1/4" Lo-Pro Panel is a 3' wide exposed fastener panel featuring 1/4" ribs at 4"" on centers, making it cover a lot of ground with minimal effort.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

Architecturally Appealing
The 1/4" Corrugated has a shallow corrugation with a rib every 1-1/4". This makes for a great panel around outlets and in places where a low profile is desired.

Ease Of Installation
The 1/4" Corrugated Panel is a 2' wide exposed fastener panel featuring 1/4" ribs at 1.-1/4" on centers, making it cover a lot of ground with minimal effort.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS
Architecturally Appealing

The 5" x 1/2" Double 5" Lap Siding has a classic lap siding appeal with a 10" coverage and 1/2" depth. This panel is a great modern take on a classic look.

Concealed Fastener

The Double 5" Lap Siding is a 10″ wide lap siding panel featuring a straight five and 90 every 5" and integrated nail flange, delivering bold lap coverage with clean lines and efficient installation.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

Architecturally Appealing
The 3/4" Board and Batten has a classic board and batten appeal with a 10" coverage and 2" batten. This panel is a great modern take on a classic look.

Concealed Fastener
The Board & Batten panel is a 10″ wide siding panel featuring a 3/4″ x 2" batten profile and integrated nail flange, delivering bold vertical coverage with clean lines and efficient installation.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS
Architecturally Appealing

The 35" x 1/2" Dutch Lap Siding has a classic lap siding appeal with a 10" coverage and 1/2" depth. This panel is a great modern take on a classic look.

Concealed Fastener

The 5" Dutch Lap Siding is a 10″ wide lap siding panel featuring a dutch lap every 5" and integrated nail flange, delivering bold lap coverage with clean lines and efficient installation.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

Roofing Panels  

The Tuff-Rib panel is a time tested steel roofing and siding panel known for its duribility, versatility, and long-term performance across residential, commercial and agricultural projects

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

UL CLASS 4 IMPACT RATED
Tested and certified to meet UL Class 4 impact resistance, providing enhanced protection against severe weather and hail.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 3' Rugged Rib Panel is a smooth-looking steel roofing and siding option featuring a 36" wide coverage sith evenly spaced ribs standing at 3/4" and a clean, architectural appearance resembling standing seam.

Architecturally Appealing
The Rugged Rib Panel has a 1" rib ever 12" on centers making it a good looking panel aesthetically.

Ease Of Installation
The Rugged Rib Panel is a 3' wide exposed fastener panel featuring 4 ribs at 12" on centers, making it cover a lot of ground with minimal effort.

Rated 5 based on 1 product reviews
CATALOGSDATASHEETS

The 3' PBR Panel delivers strength, coverage, and proven performance with a wide rib profile featuring 1-1/4" rib height spaced every 12", combined with an exposed fastener design that allows for efficient instability and reliable performance. Built for open purlin systems with strong spanning capability, this panel is a trusted steel roofing and siding solution for agricultural, commercial and residential projects. Time-tested and built for the West, it offers bold lines, durability and the kind of performance that has made it the panel that built the West.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

UL CLASS 4 IMPACT RATED
Tested and certified to meet UL Class 4 impact resistance, providing enhanced protection against severe weather and hail.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 1" x 16" Nail Strip panel offers the clean look of standing seam with the durability of American-made steel, making it a reliable roofing and siding solution for both residential and commercial projects.

UL Wind Uplift Rated

Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

UL CLASS 4 IMPACT RATED
Tested and certified to meet UL Class 4 impact resistance, providing enhanced protection against severe weather and hail.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 1-3/4" Snap Lock Panel offers the clean look of standing seam with the durability of American-made steel, featuring a clip-fastened system that allows for thermal movement, reducing stress on the panel over time. With its sleek profile and dependable performance, it serves as a reliable roofing solution for residential and light commercial projects.

The 1.75″ Snap Lock panel is available in both 26-ga and 24-ga color options, providing flexibility in strength, budget, and application. Panel is available in striated and smooth finish.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

Capabile of Long Runs
Designed for long runs, the 1 3/4″ Snap Lock panel expands and contracts on clips and is available in both striated and non-striated options.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

Its mechanically seamed design, concealed fastener system and superior weathertight performance make it a dependable, high-performance choice for demanding roofing applications.

The 1.5″ Mechanical Lock panel is available in multiple gauge and color options, offering flexibility for commercial, industrial, and architectural applications. Designed for low-slope roofs and long panel runs, its 16″ width and strong spanning capability provide reliable performance across demanding projects. With options for fixed or sliding clips to manage structural needs and thermal movement, this system requires a mechanical seamer for installation, delivering a secure, weathertight, and professional finished appearance.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

Water infiltration
The 1.5″ Mechanical Lock panel features a tight mechanically seamed, interlocking design that allows for zero water intrusion, making it a reliable choice for low-slope and high-exposure applications where watertight performance is critical


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 2" Mechanical Lock Panel is a time-tested standing seam system known for its strength, weathertight performance, and proven reliability across commercial, industrial, and archetectural applications.

The 2″ Mechanical Lock panel is available in multiple gauge and color options, offering flexibility for commercial, industrial, and architectural applications. Designed for low-slope roofs and long panel runs, its 16″ width and strong spanning capability provide reliable performance across demanding projects. With options for fixed or sliding clips to manage structural needs and thermal movement, this system requires a mechanical seamer for installation, delivering a secure, weathertight, and professional finished appearance.

UL Wind Uplift Rated
Certified to meet UL wind uplift standards for dependable performance in high-wind conditions.

Water infiltration
The 2″ Mechanical Lock panel features a tight mechanically seamed, interlocking design that allows for zero water intrusion, making it a reliable choice for low-slope and high-exposure applications where watertight performance is critical.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS

The 7/8″ Corrugated Panel delivers timeless corrugated style with dependable strength for residential, commercial and agricultural applications. Available in 26 gauge and 24 gauge options, it provides long-term duribility and reliable performance built for tough conditions.

The 7/8″ Corrugated Panel is available in both 26-ga and 24-ga color options, offering flexibility in strength, budget, and application. Precision roll-forming ensures consistent rib spacing and panel alignment, delivering a classic, uniform appearance across roofing and siding applications.

Bold and Beautiful
the 7/8" Corrugated Panel is engineered to be tough! With a continuous corrugation at 2.675" by 7/8" in 26ga and 24ga material, this panel is structurally sound!

Durability
Built for long-term durability and proven in the field, the 7/8″ Corrugated Panel has stood the test of time—so much so that you can still find it on grain silos and structures across the West decades later, continuing to perform in harsh conditions year after year.


Quote Request

Rated 5 based on 1 product reviews
CATALOGS
Rated 5 based on 1 product reviews