Manufacturing of SPiRe®+
Advanced Pultruded FRP Panels for Structural Repair
SPiRe®+ panels are manufactured using a highly controlled pultrusion process, producing precision-engineered Fiber Reinforced Polymer (FRP) panels for structural repair and strengthening. This advanced manufacturing method ensures consistent quality and high performance for infrastructure rehabilitation projects.
Pultrusion Process & Materials
At the core of SPiRe®+ is a continuous pultrusion manufacturing process, where high-strength glass fibers are saturated with vinyl ester resin and formed into rigid structural panels.
These pultruded FRP panels offer:
- Uniform geometry and thickness
- High strength-to-weight ratio
- Long-term durability in harsh environments
The use of vinyl ester resin FRP provides exceptional resistance to:
- Corrosion and moisture
- Marine and coastal exposure
- Chemicals, chlorides, and industrial environments
This makes SPiRe®+ an ideal solution for:
- marine infrastructure repair
- seawall and bulkhead rehabilitation
- wastewater and chemical plant structures
Engineered Surface for Improved Bonding
A defining feature of SPiRe®+ is its grit-coated FRP surface, designed to improve bonding with grout or concrete.
This grit-coated backing:
- Enhances FRP-to-concrete bond strength
- Creates mechanical interlock with grout
- Improves composite structural behavior
- Reduces field surface preparation
As a result, SPiRe®+ functions as both:
- A stay-in-place formwork system
- A structural reinforcement solution
Versatile Structural Applications
SPiRe®+ is a multi-purpose FRP panel system used in a wide range of infrastructure repair applications.
Common applications include:
- Concrete wall repair and strengthening
- Seawall and sheet pile repair systems
- Slab and soffit rehabilitation in industrial facilities
- Beam and girder strengthening
- Marine pile and waterfront structure repair
Its lightweight nature allows installation in:
- Confined spaces
- Underwater conditions
- Areas with limited access
This significantly reduces construction time and eliminates the need for cofferdams or heavy formwork.
Standard Sizes & Custom Fabrication
SPiRe®+ panels are available in:
- 3 ft wide FRP panels
- Standard lengths of 12 ft and 18 ft
Custom manufacturing allows:
- Virtually any panel length
- Reduced joints and faster installation
- Project-specific solutions for complex geometries
A Manufacturing Advantage
By combining pultruded FRP technology, vinyl ester resin durability, and a grit-coated bonding surface, SPiRe®+ delivers:
- Long-lasting corrosion-resistant infrastructure repair
- High-performance structural strengthening system
- Fast and efficient installation
- Reduced lifecycle costs
SPiRe®+ is a proven solution for extending the life of critical infrastructure in harsh environments, including marine, industrial, and transportation applications.