SDI Member · ANSI/SDI compliant
C purlins in Naples
High-strength C steel purlins in Naples for efficient roof and wall support in commercial and industrial construction.
C Purlins for Naples job sites
General contractors and steel erectors in Naples rely on Miami Metal Deck for C Purlins on projects across Collier County and the Southwest Florida region. Orders for Naples ship from our Miami Gardens facility, with 1-day service to major Florida cities and delivery scheduled around your erection sequence.
With Naples's coastal humidity and salt air, many engineers specify a G90 galvanized finish for its heavier zinc coating; we confirm the finish against your project specifications. Projects in Naples 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 Naples project
Compare profiles, dimensions, material options and applications to prepare your order. Select a product below to explore its technical details.
C Purlin
The roof and wall systems on commercial buildings rely on C purlin for its combination of high strength and light weight. The C-shaped profile runs from 12 GA to 20 GA in a range of depths and gauges, conforms to ANSI standards, and comes with G60 and G90 galvanized finishes.
Dimensions and profile
| Property | Dimension |
|---|---|
| Commercial Name | C Purlin |
| Gauge | 12 to 20 |
| Thickness | 0.039" to 0.094" |
| Weights | 1.2 to 6.78 lbs/ft |
| Size Range | C4x2 to C12x3 |
| Web Depths | 4 to 12 inches |
| Flanges | 2 to 3 inches |
The C purlin line covers C4x2 to C12x3, with 4 to 12 inch web depths. Gauges 12 through 20 (thickness 0.039" to 0.094") bring weights of 1.2 to 6.78 lbs/ft, and flanges of 2 to 3 inches come with lip dimensions up to 0.787 inches.
Sizes, thicknesses and weights
| Purlin Size | Thickness | Weight (lbs/ft) | Gauge | Web | Flange | Lip |
|---|---|---|---|---|---|---|
| C12x3-12 | 0.094 | 6.78 | 12 | 12 | 3 | 0.787 |
| C12x3-14 | 0.075 | 5.4 | 14 | 12 | 3 | 0.787 |
| C10x3-12 | 0.094 | 5.48 | 12 | 10 | 3 | 0.787 |
| C10x3-14 | 0.075 | 4.37 | 14 | 10 | 3 | 0.709 |
| C8x3-12 | 0.094 | 4.87 | 12 | 8 | 3 | 0.787 |
| C8x3-14 | 0.075 | 3.86 | 14 | 8 | 3 | 0.709 |
| C8x3-16 | 0.059 | 3.02 | 16 | 8 | 3 | 0.591 |
| C6x2.5-12 | 0.094 | 3.83 | 12 | 6 | 2.5 | 0.709 |
| C6x2.5-14 | 0.075 | 3.03 | 14 | 6 | 2.5 | 0.669 |
| C6x2.5-16 | 0.059 | 2.41 | 16 | 6 | 2.5 | 0.630 |
| C6x2.5-18 | 0.047 | 1.94 | 18 | 6 | 2.5 | 0.591 |
| C5x2-12 | 0.094 | 3.19 | 12 | 5 | 2 | 0.630 |
| C5x2-14 | 0.075 | 2.5 | 14 | 5 | 2 | 0.630 |
| C5x2-16 | 0.059 | 1.99 | 16 | 5 | 2 | 0.591 |
| C5x2-18 | 0.047 | 1.59 | 18 | 5 | 2 | 0.591 |
| C5x2-20 | 0.039 | 1.35 | 20 | 5 | 2 | 0.591 |
| C4x2-20 | 0.039 | 1.20 | 20 | 4 | 2 | 0.472 |
| C4x2-18 | 0.047 | 1.41 | 18 | 4 | 2 | 0.472 |
| C4x2-16 | 0.059 | 1.76 | 16 | 4 | 2 | 0.512 |
| C4x2-14 | 0.075 | 2.21 | 14 | 4 | 2 | 0.512 |
| C4x2-12 | 0.094 | 2.82 | 12 | 4 | 2 | 0.512 |
Gauges and thicknesses
| Gauge | Bare steel thickness (in) | Weight (lbs/ft) | Typical applications |
|---|---|---|---|
| 12 | 0.094 | Up to 6.78 lbs/ft | Heavy structural applications, large spans. |
| 14 | 0.075 | Up to 5.4 lbs/ft | Standard commercial structural support. |
| 16 | 0.059 | Up to 3.02 lbs/ft | Medium-duty roof and wall support. |
| 18 | 0.047 | Up to 1.94 lbs/ft | Light-duty applications. |
| 20 | 0.039 | Up to 1.35 lbs/ft | Light framing and small spans. |
Because C purlins come in gauges 12 through 20, you can fit the section to your load and span. Gauges 12 and 14 are the better match for large structural work and heavy roofing loads. Gauges 18 and 20 handle lighter framing and short spans, and they save weight and cost.
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. |
Galvanized (G60 and G90) and prime-painted finishes are offered on C purlins. Use G60 for general environments for corrosion protection. G90 adds a heavier zinc coating for coastal or high-humidity settings. Prime-painted gives a base coat for jobs that need further coating.
Material and finish options
We roll our C purlins from 55 KSI high-strength steel and offer three choices: galvanized coatings that meet ANSI standards for corrosion resistance, painted finishes for a tailored look, and bare steel for custom uses. Each coating is chosen to improve durability and performance.
Custom lengths
Need 6′-0″ pieces for a smaller project or spans of up to 40′-0″ for a larger one? We handle every length precisely and efficiently. Custom cutting gives an optimal fit with minimal waste.
C Purlin features
Our C purlins pair a high strength-to-weight ratio with simple installation and corrosion-resistant finishes. Contractors in Naples can specify them for industrial buildings, solar panel racking, agricultural structures, and commercial roofing and wall systems.
High Strength-to-Weight Ratio
Offers excellent load-bearing capacity with little weight, cutting structural dead loads and easing installation.
Easy and Fast Installation
The light, symmetrical shape shortens labor time and keeps roof and wall installation straightforward.
Galvanized or Prime-Painted Finish
Durability and corrosion resistance improve with G60/G90 galvanized or prime-painted finishes.
Ideal for Custom Applications
Suits industrial buildings, solar panels, agricultural structures, and many other commercial structural applications.
Compliance with SDI Standards
Follows Steel Deck Institute and ANSI guidelines to ensure quality and code compliance.
Versatile Design Options
Sizes C4x2 through C12x3 and gauges 12 to 20 handle a broad set of structural needs and load requirements.
Installation and connections
Installation practices
- Set C purlins perpendicular to the primary structural supports.
- Anchor each one at every support with bolts, welds, or self-drilling screws.
- Where purlins overlap, fasten them with bolts or screws at 12" o.c.
Fasteners and attachments
- Secure purlins to primary frames using ½" diameter bolts.
- Use #12 self-drilling screws at 6" o.c. along supports; at overlaps, space them at 12" o.c.
- Lapped joints take #12 self-drilling 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
Roof and Wall Structural Framing
A strong choice for commercial and industrial buildings, supporting roofing and wall cladding. Works in both vented and non-vented structures.
Mezzanine and Racking Support
Its strength suits mezzanine floors and industrial racking. Warehouses and factories that need durable structural support benefit most.
Standards and product documentation
Design and performance of the C purlin follow SDI (Steel Deck Institute) specifications, held to a high standard.
C Purlin questions
What is a C purlin, and what is it used for?
It is a cold-formed steel member with a 'C' shaped section. Its main job is structural support in the roofs and walls of industrial, commercial, and agricultural buildings.
How does a C purlin differ from a Z purlin?
The C purlin has a symmetrical 'C' section that gives strength and stability, and it works best in simple-span applications. A Z purlin has a 'Z' section that lets pieces overlap, which adds rigidity on longer continuous spans.
Which gauges and materials do C purlins come in?
Gauges 12 to 20 are available. They are made from galvanized steel (G60/G90) or prime-painted steel, depending on what the project requires.
What are the benefits of C purlins in Naples?
They offer high structural strength in a light profile, quick installation thanks to a standardized design, and flexibility across building types. Galvanizing adds corrosion resistance, and durability keeps maintenance and cost down.
Are custom C purlins available?
Yes. We make custom C purlins to order, with length (6' to 40'), gauge, and finish set to your project specifications.
Before you order
Order C Purlins for your Naples project
Share your drawings or a material list and our team will check quantities, profiles and cut lengths. We also prepare takeoffs and shop drawings, then send pricing and delivery options for the Naples job site.
Start your quoteWhat we need to quote your project
- Your Naples project address and when you need material on site.
- Drawings or a material list with quantities and cut lengths.
- Specified profile, dimensions, gauge and finish.
- Connection details, load tables and any supporting documentation.
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.
Frequently Asked Questions
Do you supply C purlins in Naples?
Yes. We deliver C purlins to Naples with 1-day service available. Call 305-760-2575 for pricing.