Fortress Steel Pergola

Steel Pergola rafters

Evolution Steel Pergolas are designed to last as long as your prefabricated, pre-engineered railing and composite/synthetic decking. Our structural steel is dual-layer protected with Galvanization and Powder Coating to provide protection that will last.


  • Carries a 25-year limited manufacturer warranty
  • Designed for low-maintenance, durability, ease of installation and safety
  • A noncombustible material, resistant to fire and invulnerable to rotting, warping, splitting and pesky insect damage
  • Unlike wood boards, there is no need to soak steel with insecticide and fungicide
  • Steel is recycled and recyclable, making it more sustainable than wood
  • Limitless pergola design options
Warranty badge for steel pergola

Black Powder coated Steel Pergola Parts

16 Guage Joist (G60 Galvinized & Black Sand Powder Coated)

2” x 6”


12′- 144” (3658mm)
14’ – 168″ (4267mm)
16′- 192″ (4877mm)
18′ – 216″ (5486mm)
20′ – 240° (6096mm)

Evolution’s Joists are a familiar shape that
install quickly and easily with minimal


2” x 11” 


8″ – 96″ (2438mm)
12′- 144” (3658mm)
16′- 192″ (4877mm)
20′ – 240″ (6096mm)

Evolution’s Beam has been engineered to
achieve longer spans between supports,
eliminating excessive posts and obstructed

Lateral Bracing/Purlin

2” x 2” x 10’
[51mm x 51mm x 3048mm]

10 – 120″ (3048mm)
14 – 168″ (4267mm)


3-1/2” x 3-1/2” x 10’
[89mm x 89mm x 3048mm]

10’ – 120″ (048mm)

Evolution’s steel post and brackets provide the
perfect solution to support your deck. The black
powder coated posts look great on their own or
can be customized with the trim of your choice.

Post / Pier Bracket – 3.5″ (89mm)

Secures post to concrete landing or pier.

Single Beam / Post Bracket

Used to secure post to single beam.

Double Beam / Post Bracket

Used to secure post to double beam.

F-50 Bracket 5″

Used with S-Ledger, joist, and blocking as well
as many other applications.

F-10 Bracket

Used to secure joist to a drop beam when non-
standard spacing is required and as a cap on
the bottom of the S-Ledger.

Single Hanger Bracket

Used to secure joist to flush beam applications.

Lateral Bracing Bracket 2×2

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Ledger Bracket 5 5/8

Manufactured to match the same spacing as the
S-Ledger for easy mid-span blocking

Post Cap

3-11/16” x 3-11/16” [94mm x 94mm]

Purlin Cap

2” x 2” [51mm x 51mm]

Beam Cap

Covers open beams to provide clean, finished
look and deter pests and animals.

Joist Cap

Self-Drilling Screw 3/4” (19mm)

Black self-drilling metal screw.

Black Sand Aerosol Touch Up Paint

touch up paint