SDI Member · ANSI/SDI compliant
C purlins in Sarasota
High-strength C steel purlins in Sarasota for efficient roof and wall support in commercial and industrial construction.

Supplying C Purlins in Sarasota
For job sites in Sarasota, Miami Metal Deck provides C Purlins cut to length and ready for installation, serving Sarasota County and the Southwest Florida region. Orders for Sarasota ship from our Miami Gardens facility, with 1-day service to major Florida cities and delivery scheduled around your erection sequence.
With Sarasota'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. We supply to the gauges, lengths and finishes on your approved drawings, which are designed to the Florida Building Code requirements that apply in Sarasota County.
Product guide
Product specifications for your Sarasota 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 |
Sizes run from C4x2 to C12x3, with web depths of 4 to 12 inches. Gauges 12 through 20 (0.039" to 0.094" thick) give weights of 1.2 to 6.78 lbs/ft. Flange widths are 2 to 3 inches, and lip dimensions reach 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. |
Gauges 12 through 20 let you match the purlin to the load and span. The heavier gauges (12 and 14) suit large structural applications and heavy roofing loads, while 18 and 20 gauge fit lighter framing and short spans where weight and cost matter most.
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 use 55 KSI high-strength steel. Finishes include corrosion-resistant galvanizing that meets ANSI standards, paint for a tailored appearance, and bare steel for custom applications, each designed to boost durability and performance on Sarasota projects.
Custom lengths
Lengths start at 6′-0″ for smaller jobs and stretch to 40′-0″ for large construction. We cut each piece precisely, so the purlins fit well and little material is wasted on Sarasota job sites.
C Purlin features
High strength-to-weight ratio, easy installation, and corrosion-resistant finishes make our C purlins a good fit for industrial buildings, solar panels, agricultural structures, and commercial roofing and wall systems.
High Strength-to-Weight Ratio
Carries heavy loads yet stays light, which lowers structural dead load and makes handling and installation easier.
Easy and Fast Installation
A lightweight, symmetrical section cuts labor hours and simplifies erection in roof and wall systems.
Galvanized or Prime-Painted Finish
Choose G60 or G90 galvanized, or prime-painted, for better durability and corrosion resistance.
Ideal for Custom Applications
Works across industrial buildings, solar panels, agricultural structures, and many other commercial structural uses.
Compliance with SDI Standards
Conforms to Steel Deck Institute and ANSI guidelines for quality and code compliance.
Versatile Design Options
Sizes from C4x2 to C12x3 and gauges 12 to 20 cover a wide spread of structural needs and loads.
Installation and connections
Installation practices
- C purlins should be installed perpendicular to the primary structural supports.
- Anchor them at every support by bolt, weld, or self-drilling screw.
- Purlins that overlap are secured with bolts or screws at 12" o.c.
Fasteners and attachments
- Connect to primary frames with ½" diameter bolts.
- Fasten along supports with #12 self-drilling screws at 6" o.c., and at overlaps with the same screws at 12" o.c.
- Secure overlapping joints using #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 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 Sarasota?
Yes. Custom C purlins are made to length (6' to 40'), gauge, and finish, following your project specifications.
Before you order
Order C Purlins for your Sarasota 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 Sarasota job site.
Start your quoteWhat to include in your quote request
- Your Sarasota 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 Sarasota?
Yes. We deliver C purlins to Sarasota with 1-day service available. Call 305-760-2575 for pricing.
