SDI Member · ANSI/SDI compliant
C purlins in Melbourne
High-strength C steel purlins in Melbourne for efficient roof and wall support in commercial and industrial construction.
Local C Purlins supply for Melbourne
General contractors and steel erectors in Melbourne rely on Miami Metal Deck for C Purlins on projects across Brevard County and the Space & Treasure Coasts region. Orders for Melbourne ship from our Miami Gardens facility, with 1-day service to major Florida cities and delivery scheduled around your erection sequence.
With Melbourne'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 Melbourne 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 Melbourne project
Compare profiles, dimensions, material options and applications to prepare your order. Select a product below to explore its technical details.
C Purlin
Roof and wall applications commonly use C purlin because it is both strong and light. This C-shaped section comes in depths and gauges from 12 GA to 20 GA, follows ANSI standards, and is finished with G60 or G90 galvanizing.
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 |
C purlins span from C4x2 up to C12x3, with web depths between 4 and 12 inches. Gauges 12 to 20 correspond to thicknesses of 0.039" to 0.094" and weights from 1.2 to 6.78 lbs/ft. Flanges measure 2 to 3 inches, with lips 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
Our C purlins are rolled from high-strength 55 KSI steel. Pick a corrosion-resistant galvanized finish that meets ANSI standards, a painted option when appearance matters, or bare steel for custom applications. Every finish is meant to extend 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
With a high strength-to-weight ratio, quick installation, and corrosion-resistant coatings, our C purlins fit industrial buildings, solar panels, agricultural structures, and commercial roof and wall systems. They are a practical pick for Melbourne projects.
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
Commercial and industrial buildings use C purlins as solid support for roofing and wall cladding, in vented and non-vented structures alike.
Mezzanine and Racking Support
Strong enough for mezzanine floors and industrial racking, they are a dependable option for warehouses and factories.
Standards and product documentation
SDI (Steel Deck Institute) specifications govern the C purlin, so design and performance meet a high standard.
C Purlin questions
What are C purlins, and where are they used?
A C purlin is a cold-formed steel structural member in the shape of the letter 'C'. It mostly provides structural support for roofs and walls in industrial, commercial, and agricultural buildings.
C purlin versus Z purlin: what is the difference?
A C purlin's symmetrical 'C' shape brings strength and stability, which is ideal for simple spans. A Z purlin's 'Z' shape allows overlapping, which suits longer continuous spans that need extra rigidity.
In what gauges and materials can I get C purlins?
They come in gauges 12 to 20, made of galvanized steel (G60/G90) or prime-painted steel depending on project requirements.
What advantages do C purlins offer?
Advantages include high structural strength in a lightweight profile, easy installation from a standardized design, versatility across construction types, and corrosion resistance when galvanized. Durability and low maintenance also keep them cost-efficient.
Is it possible to get custom C purlins in Melbourne?
Yes. Custom C purlins are made to length (6' to 40'), gauge, and finish, following your project specifications.
Planning your order
C Purlins supply for Melbourne
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 Melbourne project.
Send your drawings for a quoteWhat we need to quote your project
- The profile, gauge and finish shown in your specifications.
- Quantities and lengths, or the drawings we can take them off from.
- The Melbourne 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.
Frequently Asked Questions
Do you supply C purlins in Melbourne?
Yes. We deliver C purlins to Melbourne with 1-day service available. Call 305-760-2575 for pricing.