KENNEWICK, WA · SERVING A 120-MILE RADIUSMON–SAT 7AM–5PMGoogle reviews(509) 537-2733
From our project collection

Crane lift of rooftop ventilation equipment. Actual company project footage.

Since 2010A family tradition in sheet metal
Made to your plansCustom sizes. Practical solutions.
120-mile reachTri-Cities & surrounding communities
From shop to projectResidential · Commercial · Industrial
01 / What we make

The right metal.
The right fit.

All products & capabilities
Rows of spiral metal duct in the Pro Duct shop01

Spiral Pipe & Round Duct

Round spiral pipe and matching fittings manufactured in Kennewick, with diameters from 6 to 42 inches. Discuss single-wall, lined and double-wall options for your HVAC project, connection details and required material.

Rectangular galvanized metal transitions fabricated for a project02

Rectangular Ductwork

Custom rectangular duct and fittings for commercial and residential HVAC projects across the Tri-Cities and our 120-mile service area. Choose single-wall, lined or double-wall construction with materials and connections suited to your plans.

Square-to-round sheet metal transitions arranged outside the shop03

Duct Fittings & Transitions

Custom elbows, taps, square-to-rounds and transitions that connect your duct system. Pro Duct fabricates lined and unlined fittings for Tri-Cities projects, with dimensions, orientation and connection styles reviewed before your order is made.

Round duct fittings showing internal insulation04

Lined & Double-Wall Duct

Lined and double-wall ductwork for projects with defined thermal, acoustic and construction requirements. Pro Duct fabricates round and rectangular assemblies, with insulation, dimensions and connections reviewed against your project specifications before production begins.

Representative illustration of a galvanized filter box and base can05

Plenums & Filter Boxes

Base cans, custom filter cans, inline filter boxes and register boxes fabricated around your equipment and duct connections. Share dimensions, filter requirements and access needs with our Kennewick crew to begin your custom order.

Product illustration
Stainless commercial kitchen hood during installation06

Commercial Kitchen Hoods

Commercial kitchen hood and exhaust projects for restaurants and food-service spaces in the Tri-Cities. Pro Duct brings sheet metal fabrication and installation capability to projects that coordinate the hood, ductwork, exhaust fan and kitchen layout.

Commercial kitchen hood and stainless wall installation in progress07

Welded Grease Duct

Welded grease duct fabrication for commercial kitchen exhaust projects in Kennewick and the wider Tri-Cities region. Share your approved system details so Pro Duct can review materials, routing, connections and the required fabrication scope.

Custom formed and joined metal fitting with a shaped opening08

Custom Sheet Metal Fabrication

Custom flashing, drain pans, chimney caps, metal caps and formed sheet metal for commercial and residential projects. Bring Pro Duct your dimensions, a sketch or drawings to discuss a part made for the application.

Find the part you need

Big systems.
Every little detail.

From a complete duct package to a single custom fitting, send us your dimensions and project requirements.

Duct & connections

  • Lined and unlined duct & fittings
  • Spiral pipe · 6–42 inches
  • Round & rectangular double-wall duct
  • Ductmate connections

Fittings & air distribution

  • 90° elbows with turning vanes
  • Dampered & undampered round taps
  • Square-to-rounds & transitions
  • Register boxes for round pipe

Equipment boxes

  • Base cans
  • Custom filter cans
  • Inline filter boxes
  • Custom plenums & equipment connections
Custom rectangular sheet metal fabrication in the shop

Made-to-order fittings from our fabrication shop.

02 / The people behind the metal

A family craft.
A professional
standard.

At Pro Duct, Manuel Diaz and his sons bring a hands-on approach to sheet metal fabrication. They work as a professional crew, with a shared focus on careful workmanship and the details your project needs.

From a single transition to a coordinated duct package, it starts with a conversation about your plans, dimensions, and schedule.

Meet the story behind Pro Duct
2010Our sheet metal roots
6″–42″Spiral pipe diameters
LocalKennewick, Washington
Chick-fil-A restaurant exterior from a Pro Duct commercial kitchen projectChick-fil-A · A Pro Duct kitchen project
Commercial kitchens · Campanas comerciales

Commercial kitchen hoods.
Proven in the field.

Our commercial kitchen work includes this Chick-fil-A project. Bring your next kitchen ventilation project to Pro Duct. Our scope includes commercial hoods, exhaust fan installation, stainless fabrication, and welded grease duct.

Discuss your kitchen project
03 / From our shop to the field

Real metal. Real work.

Explore the project gallery
Commercial kitchen hood and stainless wall installation in progress
Commercial kitchen ventilationHoods · Stainless fabrication
Insulated round duct sections packaged for a project
Ready for the next projectInsulated duct sections
Crane lifting rooftop ventilation equipment from a staging area
A bigger view of the workWatch the rooftop equipment lift
Excellent work
and attention.
Alexander DominguezGoogle review excerpt
In their own words
04 / From plan to project

Your idea.
Our craft.
Made real.

A direct conversation with the people who fabricate your parts.

Custom formed and joined metal fitting with a shaped openingFormed in the shop.
Made for the job.
PRO DUCTKENNEWICK / WA
  1. 01

    Start with your idea.

    Send a drawing, measured sketch, or photos. Include dimensions, quantities, and your project location.

    Send your project details
  2. 02

    Get the details right.

    Review materials, connections, clearances, and timing with our shop before the fabrication scope is agreed.

    Prepare a better drawing
  3. 03

    Put the metal to work.

    Receive made-to-order parts for your job. Confirm pickup, delivery, and installation arrangements for your project.

    See our finished work
On the drawing table

Every great fit
starts on paper.

Bring us your mechanical drawings, a measured sketch, or the details of an existing connection. We’ll work through the dimensions, materials, and fabrication scope with you.

01 Dimensions & quantities02 Materials & connections03 Location & timing
Explore drawings & planning guides
Mechanical drawing showing duct dimensions, branches and color-marked air distribution routesFrom the plan
to the finished part.
The Cable Bridge spanning the Columbia River between Kennewick and Pasco
Tri-Cities roots · Materials & construction

Connected
by craft.

From our Kennewick shop to your next project. The right metal and construction, reviewed around the way you build.

THE CABLE BRIDGE / KENNEWICK–PASCO
01 / THE METAL

Start with the material.

Galvanized steel, galvanneal, stainless steel, aluminum, carbon steel, and PVC-coated material. Confirm availability and suitability for your order.

Explore material options
02 / THE ASSEMBLY

Build beyond a single wall.

Unlined, lined, and double-wall construction in round and rectangular forms. Share insulation requirements and clear inside dimensions.

Compare duct construction
03 / THE DETAILS

Bring us your drawing.

Dimensions, quantities, material, connections, and job location. A measured sketch is a useful place to begin.

Prepare your project request
Cable Bridge photo: Corbin Harder · CC BY-SA 4.0 · WebP conversion; displayed with a dark overlay.
05 / Local roots. Regional reach.

Your Tri-Cities
fabrication partner.

Based in Kennewick and serving projects within a 120-mile radius. From Pasco and Richland to the surrounding region, bring us into the conversation early.

Your project. Your local shop.214 E Albany Ave, Ste C · Kennewick(509) 537-2733
Explore our service area
WASHINGTON / TRI-CITIES
120MILE SERVICE RADIUS• KENNEWICK, WA
REGIONAL REACH · PROJECT-SPECIFIC LOGISTICS
Questions, answered

A better start
to your project.

Clear specifications make for a better fabrication conversation.

Read the planning guides
Can you make custom duct and fittings?

Yes. Pro Duct fabricates rectangular and round duct, transitions, taps, filter boxes, and other made-to-order sheet metal. Share drawings, dimensions, material requirements, and quantities for review.

Do you work on commercial kitchens?

Yes. Our scope includes commercial kitchen hoods, exhaust fans, and welded grease duct. Hood selection, engineering, fire suppression, and installation responsibilities are coordinated for each project.

What should I send for a quote?

Include the product, dimensions, quantity, material or gauge if specified, job location, and requested timing. Drawings, sketches, equipment schedules, and photos are helpful.

Bring your plans. Let’s build.

Your next project
starts at our shop.

Let’s talk about your project
Call the shopRequest a quote