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Professional Service
Custom Design & Fabrication
Master-Grade Engineering for Complex Mechanical Systems
At Diaz Sheet Metal, we don't just bend metal; we solve complex mechanical challenges. Our custom fabrication shop is dedicated to delivering precision-engineered components, from intricate shop drawings to 100% accurate field-ready parts that eliminate conflicts and reduce on-site labor.
Our Services
Engineering Excellence
In-house CAD coordination and 3D drafting services to ensure your duct system integrates perfectly with structural and plumbing trades.
Blueprint Fidelity
Our 'Build to Approved Drawing' policy ensures that every custom component matches your specifications exactly, eliminating field errors.
Complex Geometry
Specializing in unique transitions, custom plenums, and offsets engineered for historical retrofits and high-density ceiling plenums.
CNC Precision
Utilizing advanced CNC-plasma technology to ensure every custom fitting is cut with 100% repeatability and surgical accuracy.
Why Choose Diaz Sheet Metal?
Strict adherence to SMACNA standards for all custom configurations
Written fabrication policy: Approved shop drawings govern all production
Significant reduction in field installation time and labor costs
Available in Galvanized, Black Iron, Stainless, and Aluminum
Direct collaboration between mechanical engineers and our master fabricators
Emergency 24-48 hour turnaround for critical field-fit adjustments
Our Process
1
Technical Consultation
We review your sketches or blueprints to identify potential conflict points and optimization opportunities.
2
Drawing Approval
Diaz Sheet Metal provides detailed fabrication drawings for written client approval before production starts.
3
Master Fabrication
Our certified craftsmen utilize CNC technology and hand-finishing to bring the approved drawings to life.
4
Staged Delivery
Custom parts are tagged, organized, and delivered to your site for immediate, logical installation.
Frequently Asked Questions
What is your policy on dimensions and fabrication errors?▼
We strictly fabricate based on plans provided by the client or shop drawings approved in writing. If an error is attributable to our shop, we correct or replace the pieces immediately. This ensures clear responsibility and high-quality results.
Can you fabricate from a simple field sketch?▼
Yes. While we prefer technical drawings, our master fabricators can take your verified field dimensions and 'napkin sketches' to engineer a fully functional, SMACNA-compliant part.
Do you only do HVAC ductwork?▼
No. We also fabricate equipment stands, drain pans, roof curbs, belt guards, and specialized architectural metal components tailored to your specific mechanical project requirements.
How do you handle 'Zero Clearance' projects?▼
We specialize in 'Tight-Fit' solutions. Our design team can engineer flat oval or custom rectangular transitions that maximize airflow while fitting into the most restricted architectural spaces.
Ready to Get Started?
Contact us today for a free estimate on your custom design & fabrication project.