SDI Member · ANSI/SDI compliant
3" Type N metal deck supplier in West Palm Beach
Long-span Type N roof deck in West Palm Beach for warehouses, industrial facilities, and large commercial roof systems.
Supplying 3" Type N Metal Deck in West Palm Beach
General contractors and steel erectors in West Palm Beach rely on Miami Metal Deck for 3" Type N Metal Deck on projects across Palm Beach County and the South Florida region. Our Miami Gardens facility is a short drive from West Palm Beach: same-day pickup and same-day South Florida delivery are available for stock items.
Salt air and humidity near the coast in West Palm Beach favor heavier zinc coatings such as G90 galvanized. We match the finish to what your drawings call for. Projects in West Palm Beach follow the Florida Building Code wind-load requirements, so we work directly from your engineer's deck schedule, gauges and attachment details.
Product guide
Product specifications for your West Palm Beach project
Compare profiles, dimensions, material options and applications to prepare your order. Select a product below to explore its technical details.
3" Type N Roof Deck
Because of its long-span capability and structural strength, 3" Type N metal deck is widely specified for roofs. The Type N profile is 3 inches deep, with gauges from 22 GA to 16 GA for flexibility on roofing projects in West Palm Beach. It complies with SDI and ANSI standards and is offered in galvanized finishes such as G60 and G90.
Dimensions and profile
| Property | Dimension |
|---|---|
| Profile Depth | 3 inches |
| Coverage Width | 24 inches |
| Rib Spacing | 8 inches (center to center) |
| Rib Height | 3 inches |
A 3 inch profile depth and a 24 inch coverage width define the Type N Roof Deck, which also has 8 inch rib spacing (center to center) and a 3 inch rib height. The deep rib is what gives the profile its strength on long spans and heavy roof loads, and the wide coverage means fewer sheets to set.
Gauges and thicknesses
| Gauge | Bare steel thickness (in) | Weight (lbs/sq ft) | Typical applications |
|---|---|---|---|
| 22 | 0.0295 | 1.8 | Light duty roofs. |
| 20 | 0.0358 | 2.2 | Standard commercial roofs. |
| 18 | 0.0474 | 2.9 | Heavy load areas. |
| 16 | 0.0598 | 3.7 | Long spans, high loads. |
Gauges for Type N deck include 22, 20, 18, and 16, giving a spread of thicknesses and load capacities for each project. Lightweight, cost-effective 22 and 20 gauge fit shorter spans and lighter loads. For demanding applications, 18 and 16 gauge deliver greater structural strength and support longer spans and heavier loads.
Finishes and coatings
| Finish | Details |
|---|---|
| Galvanized G60 | Zinc coating of 0.6 oz/ft². Recommended for general environments. |
| Galvanized G90 | Zinc coating of 0.9 oz/ft². Ideal for highly corrosive environments. |
| Prime-Painted | Provides a base coat for additional protection or paint adhesion. |
| Bare Steel | Unfinished; typically for indoor use or controlled environments. |
Type N deck is available with several finishes for lasting performance, including galvanized (G60 and G90) and prime-painted. Galvanizing resists corrosion well, and G90 has a heavier zinc coating for environments with more moisture or chemical exposure. Prime paint adds a base coat, so it fits projects that call for extra paint or coatings.
Material and finish options
Our Type N 3" Roof Deck uses high-strength 80 KSI steel. It is offered with a corrosion-resistant galvanized finish meeting ANSI standards, prime-painted finishes for added protection, or bare steel for specialized applications. Each finish is engineered for durability and dependable performance in demanding roofing environments.
Custom lengths
Lengths start at 6′-0″ for smaller roofing projects and extend to 40′-0″ for large-scale construction, and the 3" Type N Roof Deck is cut accurately and efficiently. With our custom length service, West Palm Beach roofers get a better fit, less waste, and simpler installation.
3" Type N Roof Deck features
For large-scale commercial roofing and sustainable buildings, our 3" Type N roof deck provides superior strength, fire-rated performance, and long-span efficiency.
Deep Rib Profile for High Strength
A 3-inch rib depth provides superior strength for longer spans and heavy roofing loads.
Wide Coverage Efficiency
Standard 24-inch coverage uses less material and makes installation simpler, a plus on large-scale projects.
Corrosion-Resistant Finish Options
G60 or G90 galvanized finishes stand up well to harsh environmental conditions.
Fire and Acoustic Performance
Satisfies fire-rating standards in approved assemblies, and supports insulation for soundproofing and thermal efficiency.
Compliance with SDI Standards
Steel Deck Institute (SDI) and ANSI guidelines are met, ensuring quality and code compliance.
Long Span Capability
Gauges of 22, 20, 18, and 16 let you customize the deck to specific load-bearing requirements and project demands.
Installation and connections
Installation practices
- Lay the deck perpendicular to the supports.
- Fasten the deck at every support with puddle welds or TEK screws.
- Overlap sidelaps and secure them with screws at 12" o.c. (on center).
Fasteners and attachments
- 5/8" Diameter Puddle Welds
- #12 or #14 TEK screws at 6" o.c. on edges, and 12" o.c. for sidelaps
- Sidelaps attached using #12 TEK screws at 12" o.c.
Confirm the profile, gauge, span, loads and connections against your project drawings and the applicable product load tables before ordering.
Applications
Long-Span Roofing Systems
Type N is perfect for large-scale commercial and industrial roofing that requires long spans and fewer supports. Its 3-inch rib profile ensures exceptional strength and efficiency in expansive roof designs.
Fire-Rated Roof Assemblies
Type N is commonly used in fire-rated roof systems and is compatible with insulation and fireproofing materials. It ensures safety and performance for demanding commercial and industrial applications.
Standards and product documentation
SDI (Steel Deck Institute) specifications are met by the 3" Type N deck, ensuring high standards for design and performance on West Palm Beach projects.
3" Type N Roof Deck questions
What is 3" Type N Roof Deck used for?
It is designed for long-span roofing, giving structural support to commercial and industrial roof systems.
How far can Type N Roof Deck span?
Depending on gauge, Type N Deck can span up to 16 feet, so fewer intermediate supports are needed.
Which gauges come in 3" Type N Roof Deck?
Gauges run from 16 GA to 22 GA, giving options for different load and span requirements.
Does Type N Roof Deck work with fire-rated roofing systems?
Yes. Type N Deck supports fire-rated assemblies and accommodates insulation and fireproofing materials for added safety.
What finishes does Type N Roof Deck come in?
Galvanized finishes (G60 or G90) resist corrosion, and prime-painted options add protection.
Planning your order
3" Type N Metal Deck supply for West Palm Beach
Send your project drawings or material list so our team can review quantities, profile requirements and cut lengths. We can help with takeoffs and shop drawings, then confirm pricing and delivery options for your West Palm Beach project.
Send your drawings for a quoteWhat to include in your quote request
- The profile, gauge and finish shown in your specifications.
- Quantities and lengths, or the drawings we can take them off from.
- The West Palm Beach job site address, your target delivery date and any access limits.
- Load tables, attachment details or other documents your engineer specified.
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.
Coverage
We serve all of Florida
Frequently Asked Questions
Where can I buy Type N deck in West Palm Beach?
Miami Metal Deck supplies 3" Type N roof deck to West Palm Beach. Contact us at 305-760-2575 for pricing and delivery.
When should I use Type N instead of Type B?
Type N is ideal for long-span applications such as warehouses where fewer interior columns are preferred. Type B suits standard commercial and industrial spans.