FRP structural supports are fiber-reinforced polymer components used for purlins, framing, anchoring, and other structural support applications. They can be produced from pultruded profiles or molded FRP shapes, depending on the required configuration. Common selection factors include span, allowable deflection, environmental exposure, profile geometry, resin system, and connection method.
Product Family Overview
Fiberglass structural supports cover a range of FRP components used to support panels, frames, equipment, or other structural elements. Depending on the product configuration, the family may include purlins, stakes, framing supports, and other fiber-reinforced polymer profiles or molded shapes.
Purlins can be used to support roof or panel systems, while stakes and framing components are used for anchoring and structural assembly applications. The applicable product form depends on the required geometry, loading conditions, installation method, and project environment.
FRP and steel have different stiffness characteristics. For FRP structural supports, allowable deflection should therefore be evaluated together with span, loading, support conditions, and profile geometry rather than by comparing material names alone.
Selection Considerations
- Allowable deflection – evaluate support spacing and profile stiffness against the applicable project deflection criteria.
- Framing span – span, loading, support conditions, and profile geometry influence the required section and support arrangement.
- Environmental exposure – resin system and material configuration should be considered according to the expected chemical, moisture, temperature, and outdoor exposure.
- Profile geometry – section shape and dimensions affect stiffness, connection detailing, and structural behavior.
- Connection method – bolted, bonded, or other connection arrangements may require different detailing and installation considerations.
- Long-term loading – creep and environmental conditions should be considered where sustained loads or extended service exposure apply.
Frequently Asked Questions
Are FRP purlins as stiff as steel?
FRP and steel have different stiffness characteristics because their material properties and structural behavior differ. For FRP purlins, allowable deflection should be evaluated together with span, loading, support conditions, and profile geometry. Required section size and support spacing are configuration dependent.
Can FRP structural supports be used in soil-contact applications?
FRP structural supports can be considered for soil-contact applications where corrosion exposure is a design consideration. Suitability depends on the resin system, soil chemistry, moisture, installation method, and long-term loading conditions. Project-specific conditions should be evaluated before selecting a configuration.
What affects the selection of an FRP structural support?
Selection depends on the required span, loading, allowable deflection, support arrangement, profile geometry, environmental exposure, resin system, and connection method. The appropriate configuration should be evaluated against the actual project conditions rather than selected from material type alone.
Are FRP structural supports available in different configurations?
Configuration options can include different profile shapes, dimensions, resin systems, and connection arrangements depending on the product and project requirements. Available options should be confirmed for the required application and configuration.
