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Deck Slabs
Heldenfels Enterprises’ precast concrete deck slabs provide the durable working surface essential for piers, wharfs, and industrial marine facilities along the Texas coast. Specifically engineered to withstand harsh saltwater environments, our marine deck slabs incorporate specialized concrete mix designs with reduced permeability and enhanced chloride resistance, while prestressing creates a crack-free surface that prevents water infiltration and rebar corrosion.
These components install quickly using standard crane equipment, minimizing disruption to active port operations while creating stable platforms for vehicle traffic, cargo handling, and marine equipment. The controlled manufacturing environment ensures consistent concrete cover over reinforcement and precise surface profiles for positive drainage—critical factors in extending service life in aggressive coastal conditions.
From commercial ports and industrial terminals to fishing piers and waterfront infrastructure, our marine deck slabs deliver decades of low-maintenance performance, helping contractors complete projects faster while providing owners with long-term durability in the most demanding environments.
Product Information
Technical Specs
| Standard Sizes: Built to Specifications | Height Options: Built to Specifications |
| Load Rating: Built to Specifications | Installation: Crane ready with lifting hardware |
Delivery & Installation
On average, deck slabs take about 6-8 weeks before they are ready to leave our facility. Our delivery network makes shipping fast and easy! Each project is different and your timeline will be discussed when the order is placed.
Applications & Use Cases
Precast deck slabs are widely used in bridges, parking structures, industrial facilities, and commercial buildings where durable, long-span floor or roof systems are required. They provide a fast, efficient solution for creating structural decks, reducing on-site labor and construction time. Deck slabs are particularly well-suited for projects requiring accelerated schedules, repetitive span conditions, or integration with precast beams and girders.
Product Information
Technical Specs
Standard Sizes: Built to Specifications
Height Options: Built to Specifications
Load Rating: Built to Specifications
Installation: Crane ready with lifting hardware
Delivery & Installation
On average, deck slabs take about 6-8 weeks before they are ready to leave our facility. Our delivery network makes shipping fast and easy! Each project is different and your timeline will be discussed when the order is placed.
Applications & Use Cases
Precast deck slabs are widely used in bridges, parking structures, industrial facilities, and commercial buildings where durable, long-span floor or roof systems are required. They provide a fast, efficient solution for creating structural decks, reducing on-site labor and construction time. Deck slabs are particularly well-suited for projects requiring accelerated schedules, repetitive span conditions, or integration with precast beams and girders.
Our Locations
SAN MARCOS, TEXAS (HEADQUARTERS)
Heldenfels Enterprises, Inc.
5700 IH-35 South. San Marcos, TX 78666
Tel: (512) 396-2376
Fax: (512) 396-2381
CORPUS CHRISTI, TEXAS
Heldenfels Enterprises, Inc.
2222 Laredo St. Corpus Christi, TX 78405
Juan Aguirre: (361) 533-1031
Heldenfels Headquarters
Heldenfels Corpus Christi
Frequently Asked Questions
What are precast concrete deck slabs used for?
Precast deck slabs are structural panels used in both bridges and buildings — forming the driving surface of bridges and the floor or roof systems in commercial and residential structures.
How do precast deck slabs save time on a project?
Because they’re manufactured off-site and delivered ready to install, precast slabs eliminate on-site forming and curing, allowing faster project schedules for bridges, parking decks, and multi-story buildings alike.
Can precast deck slabs be customized for different applications?
Yes. Bridge slabs can be prestressed or post-tensioned for long spans, while building slabs can include openings, conduit sleeves, or surface finishes to fit architectural and mechanical needs.
How are precast deck slabs connected to the main structure?
In bridges, slabs are typically joined to girders using shear studs, grouted joints, or post-tensioning. In buildings, they’re supported by beams, walls, or double tees and joined with welded plates or grouted keyways.
What makes precast deck slabs durable and low-maintenance?
They’re made with high-strength, dense concrete and precise curing, which resists cracking, moisture penetration, and corrosion — ensuring long service life whether used in a bridge deck or a building floor.
Larry Miller, PE
VP of Pre Construction & Business Development
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