Steel Joist
Quality Metal Decking, Roofing, Joists & Accessories for Your Project.
Steel Joist Types
From short-span K Series to long-span DLH Series, we supply all standard SJI joist types custom-fabricated to your project specifications.
K Series Joists
Engineered for short-span efficiency in compact commercial settings, supporting floors and roofs.
Applications: Light commercial buildings, schools, small retail centers, and mezzanines.
KCS Joists
Designed for versatility and non-uniform loads with precision adaptability.
Applications: Buildings with varying load requirements, mixed-use commercial spaces.
LH Series Joists
Solutions for long-span requirements offering open, airy designs for modern commercial and retail spaces.
Applications: Retail centers, open-plan offices, gymnasiums, and large commercial spaces.
DLH Series Joists
Maximum span capability for expansive, unobstructed areas.
Applications: Warehouses, distribution centers, event centers, and large industrial facilities.
Joist Girders
Foundational support providing robust steel bearing for demanding loads.
Applications: Primary structural support for heavy commercial and industrial floor and roof systems.
Why Choose MMD Steel Joist
Custom Solutions
Every project is unique we supply fully customized steel joists for industrial, commercial, or residential applications.
Tailored to Your Project
Engineered and fabricated to exact specifications for seamless integration across varying span applications.
Certified Quality
All of our steel joists meet the rigorous standards of the Steel Joist Institute (SJI), ensuring compliance and longevity.
How We Work
We Guide You Through the Process
From manufacturing to delivery, we ensure precision, efficiency, and compliance with industry standards.
Takeoff and Shop Drawings Services
We provide specialized takeoff services for accurate quotations and detailed shop drawings to produce optimized cutting lists for sheets, ensuring efficient execution and waste-free outcomes in your projects.
Manufacture
We manufacture metal decks to SDI and ANSI standards, ensuring strength, durability, and compliance. We provide custom lengths and high-precision fabrication for optimized performance in roof, floor, and form deck applications.
Swift Deliveries & Nationwide Reach
While based in South Florida, we serve clients nationwide, ensuring quality, efficiency, and timely deliveries across the U.S., reflecting our commitment to excellence without boundaries.
Delivery Areas
Cities Available for steel joists delivery in 1 day
Fast, reliable delivery throughout Florida with nationwide shipping available.
North Florida / Panhandle
Southwest Florida
Central Florida
Space & Treasure Coasts
South Florida
FAQs Steel Joists
What steel joist series does Miami Metal Deck supply?
We supply K Series, KCS, LH Series, DLH Series, and Joist Girders all engineered to Steel Joist Institute (SJI) standards.
Are your steel joists certified to SJI standards?
Yes. All of our steel joists meet the rigorous standards of the Steel Joist Institute (SJI), ensuring compliance and longevity in every application.
Can you provide custom joist specifications?
Absolutely. Every project is unique we provide fully customized steel joists for industrial, commercial, or residential applications. Our team engineers joists to exact specifications for seamless integration across varying span requirements.
What is the difference between K Series and LH Series joists?
K Series joists are designed for shorter spans in typical commercial applications. LH (Longspan) Series joists are engineered for greater spans, eliminating the need for intermediate columns and creating open, unobstructed floor plans.
Do you provide shop drawings for steel joists?
Yes. We provide detailed shop drawings and takeoff services to ensure accurate quotations and proper fabrication for your specific project requirements.