Certified Composite Floor Decks — Cut Fast to Fit Your Pour
1.5″, 2″ & 3″ composite floor decking — your steel floor deck supply, embossed for a superior concrete bond and built with 50 KSI steel for long spans. UL approved, no minimum order, shipped nationwide in 1–3 days.
- Embossed for superior concrete bonding
- Custom lengths & gauges — cut to your specs
- No minimum order — any job size welcome
- Fast nationwide delivery, often in 1–3 days
Get Your Composite Deck Quote
Composite Decks That Meet the Code — and the Deadline
Every composite floor deck we ship meets rigorous building and fire-safety requirements, so it pours right and passes inspection.
When You're Pouring Floors, Timing & Bond Are Everything
Our composite decks give you both — the concrete bond you need and the certified strength your structure is rated for.
Superior Concrete Bond
Precision embossments across the profile grip the slab for strong, reliable composite action between steel and concrete.
Cut to Your Specs
Custom lengths and gauges cut in-house to your jobsite dimensions — sheets arrive ready to lay and pour.
50 KSI for Long Spans
High-strength 50 KSI steel available so your deck carries the load over longer spans with fewer supports.
No Minimum Order
From a warehouse mezzanine to a high-rise floor system — any job size welcome at competitive pricing.
Nationwide Delivery
Manufactured in Tampa and shipped across the U.S., cut right and on schedule.
Real Expert Help
Talk to the same knowledgeable person every time. We'll help you pick the right depth and gauge for your pour.
1.5″, 2″ & 3″ Depths — Matched to Your Span
1.5″ Composite
Most Popular- Shorter spans, lighter loads
- 16–22 gauge
- Galvanized steel finish
- Embossed for bond
- Most cost-effective option
2″ Composite
Mid Span- Intermediate spans & loads
- 16–22 gauge
- 50 KSI available
- Embossed for bond
- Cut to your lengths
3″ Composite
Long Span- Longest spans, heavier loads
- 16–22 gauge
- 50 KSI available
- Fewer supports needed
- Cut to spec
Fast. Flexible. Built for Your Job.
Whether you're working on a high-rise floor system or a warehouse mezzanine, we'll get you what you need — fast, cut right, and certified. That's how we've supplied composite decking to projects across the country for six decades.
Request PricingTrusted by Builders & Contractors Nationwide
Real Google reviews from the contractors, estimators, and builders who order composite floor deck from us.
What Are People Saying About Marlyn Steel Decks?
Real Projects, Delivered
A sample of jobs we manufactured, cut, and delivered across Florida and beyond.
Need Floor Decks Fast? Let's Get You a Quote.
We supply cut-to-fit composite decking with the strength your project needs.
Composite Deck FAQs
What composite deck depths are available?
We supply 1.5″, 2″, and 3″ composite floor deck profiles. If you're not sure which depth fits your span and load, our team will help you spec it.
Do your decks have embossments for bonding?
Yes. Our composite decks are embossed to create a strong mechanical bond with the concrete slab for reliable composite action between steel and concrete.
What is the turnaround time?
Most orders ship fast — often in as little as 1–3 days. We'll confirm an exact timeline with your quote.
Do you cut to custom lengths and gauges?
Yes. Every order is cut to your jobsite specifications in-house, in the gauge your project calls for, so sheets arrive ready to install.
What certifications do your composite decks carry?
Our composite decks are UL Approved and we're an SDI member with an IAPMO evaluation report.
Is there a minimum order size?
No. There's no minimum order — from a mezzanine to a high-rise, any job size is welcome at competitive pricing.
Do you deliver nationwide?
Yes. We manufacture in Tampa, Florida and deliver composite floor decks across the United States.