Structural Steel Decking

Roof, Composite, or Form Deck & Steel Joists

Decking

As your high-quality steel deck supplier, all deck and joists sold by Intsel Steel West are manufactured by members of the Steel Deck Institute or Steel Joist Institute. We become your partner beyond steel supply, to manage your supply chain and inventory management needs. We carry all the steel you need and perform value-added services to become your one source for steel.

Request a quote today to learn how we can streamline your project with next-day delivery and a guarantee fixed rate.

Roof Deck

Type B Deck

At 1.5” deep, Type B Deck provides a balance of strength and economy when used with rigid insulation at least 1” thick. B deck is manufactured from steel conforming to A653 and available with nested and interlocking side-laps, as well as an acoustic deck.

Available finishes include:

  • Standard prime-painted finish in grey covering both sides of the decking
  • Galvanized finish in G40, G60, and G90 coatings
  • Two coats bright white primer bottom with prime-painted (grey) or galvanized top

These prime-painted finishes protect the steel during the installation time when exposing the decking to standard atmospheric conditions. Prime-painted is an impermanent and provisional coating.

Type N Deck

Much stronger than Type B Deck with twice the depth, Type N Deck typically works best for projects where the supporting members need to be spaced far apart to reduce the overall cost. Large structures, like auditoriums and gymnasiums, utilize Type N Deck to span large open spaces where the roofing will be very heavy and costly.

Available finishes include:

  • Standard prime-painted finish in grey covering both sides of the decking
  • Galvanized finish in G40, G60, and G90 coatings
  • Two coats bright white primer bottom with prime-painted (grey) or galvanized top

Prime-painted finishes should be considered impermanent, provisional coatings intended to protect the steel during the installation period while exposed to ordinary atmospheric conditions.

Type A Deck

Type A Deck is one component installed along with thinner, more economical insulation materials. The steel conforms to ASTM AS653 to support roofing insulation and allow maximum top-surface contact. Because it is the least efficient steel roof deck with the lowest strength-to-weight ratio, applications of Type A Deck include repair projects and reroofing instead of new construction.

Composite Deck

As your steel deck supplier, we offer composite deck for use as a concrete pour form. All thicknesses include vertical rib embossments for a composite floor system with superior strength and stiffness. All sizes are made with steel conforming to A653 and are available with nested or interlocking side-laps.

Available finishes for composite decking:

  • Standard prime-painted finish in grey covering both sides of the decking
  • Galvanized finish in G40, G60, and G90 coatings
  • Two coats bright white primer bottom with prime-painted (grey) or galvanized top

Please note: Prime-painted finishes should be considered impermanent, provisional coatings intended to protect the steel during the installation period while exposed to ordinary atmospheric conditions.

  • 1.5” Composite Deck: allows structural members to be spaced over 10’0” o.c. without additional shoring.
  • 2” Composite Deck: allows structural members to be spaced over 12’0” o.c. without additional shoring
  • 3” Composite Deck: allows structural members to be spaced over 14’0” o.c. without additional shoring

Form Deck

Order form deck for your floors and stairways from steel deck supplier, Intsel Steel West. Form deck is ideal for projects without steel or concrete composite requirements and can be used as structural support for insulating roof-fill systems. It also serves as a permanent form for concrete floors or roof slabs.

Steel Joists

K Series Joists

K series joists serve as structural support for floors and roofs of buildings with a few key advantages that make it a top choice through the United States:

  • Affordability: no other products or methods can compete with the affordability of steel joists for many buildings
  • Exceptionally high strength-to-weight ratio when compared to other materials
  • Ready immediately for installation upon delivery to the job site
  • Light weight for a simple and fast erection procedure.

As your steel deck supplier, Intsel Steel West provides K Series Joists with a shop-coat of rust inhibitive primer conforming to the Steel Join Institute specification 3.3.

LH & DLH Series Joists

Longspan (LH) and deep long-span (DLH) steel joists are lightweight, shop-fabricated steel trusses designed to extend the use of joists to spans in excess of those covered by open-web joists.

All LH & DLH joists from Intsel Steel West receive a shop-coat of rust inhibited primer conforming to the Steel Joist Institute specification 102.4

Type Item Name Thickness Weight per Sq. Ft.
Composite Deck 1-1/2" Composite Deck 0.0598 3.5 lb
Composite Deck 1-1/2" Composite Deck 0.0478 2.8 lb
Composite Deck 1-1/2" Composite Deck 0.0359 2.2 lb
Composite Deck 1-1/2" Composite Deck 0.0299 1.8 lb
Form Deck 1 15/16” Form Deck 20 Ga 0.0359
Form Deck 9/16” Form Deck 22 Ga 0.0299
Form Deck 9/16” Form Deck 24 Ga 0.0239
Form Deck 9/16” Form Deck 26 Ga 0.0164
Form Deck 9/16” Form Deck 28 Ga 0.015
Type Item Name Thickness Weight per Sq. Ft. (Paint) Weight Per Sq. Ft. (Galv)
Roof Deck B Deck 0.0478 2.8 lb 2.8 lb
Roof Deck B Deck 0.0359 2.1 lb 2.2 lb
Roof Deck B Deck 0.0299 1.7 lb 1.8 lb
Type Item Name
Steel Joists PN-5645 -- K-Series Steel Joist

Steel Deck Supplier to the Western USA

At Intsel Steel West, we become your steel deck supplier with all the options and finishes you need to complete the project. We can provide next-day delivery with facilities throughout the California, Colorado, and Utah regions, as well as Arizona, Nevada, New Mexico, Montana, Idaho, and Nebraska. Store all your decking in our large facilities and receive it when you need it.

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