The Pultrusion Report Blog
Why Fiberglass Rods Degrade Outdoors in 2026
Fiberglass rods shouldn't lose their performance just because they're installed outside. Yet that's exactly what happens far too often when material selection and manufacturing quality aren't matched to outdoor conditions.
What is Peel Ply?
If you’ve ever laid up fiberglass or carbon fiber and then faced hours of sanding just to get a surface ready for bonding or paint, you know the pain.
How Stress Corrosion Cracking Causes FRP Rod Failure
Stress corrosion cracking (SCC) is one of the most destructive failure modes affecting pultruded fiberglass rods in outdoor environments. Unlike sudden impact damage, SCC develops gradually as moisture, chemicals, and sustained mechanical loads work...
What Causes Fiberglass Rods to Fail Prematurely
Fiberglass rods are known for their durability, high strength-to-weight ratio, and excellent performance in harsh environments. Yet even the most robust pultruded FRP components can break down earlier than expected when specific factors go...
9 Outdoor Factors That Degrade Fiberglass Rods
Pultruded fiberglass rods can last for decades—when you protect them from the right threats. But outdoor environments throw everything they have at composite materials: sun, rain, salt, heat, and mechanical wear.
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Polyester, Vinyl Ester and Phenolic Resins
In the last few years, pultruded products have become increasingly popular. In the years to come, results of recent surveys have found that these products are expected to become even more...
Pultruded Profiles Take the Place of Wood
Many utilities, distribution, and electrical companies use wooden poles, rods, and bars because of their low initial cost, only to find that their long-term maintenance needs and...
Working with Polyurethane
Lately, manufacturers have begun working with another material: polyurethane (PU). Compelling research and analysis of polyurethane's solid performance characteristics have contributed to...
Tailoring Epoxy to Your Needs
Pultruded fiber reinforced polymers (FRPs) are diverse composite materials used in different applications from aerospace to infrastructure and everything in between.
Shining the Spotlight on CAMX 2021
Come October, there is a fantastic opportunity to meet in person and network with businesses, professionals, managers, suppliers and executives who are in the composites field. For those...
Rehabilitating US Bridges with FRPs
Did you know that four in ten bridges in the United States are over 50 years old? The 2017 Infrastructure Report Card by the American Society of Civil Engineers (ASCE) found that out of the...
Diverse Applications for Polymers
Composites are created when two or more materials are combined with a polymer matrix.
Uses of Fiberglass in Industrial Applications
Fiberglass Fiber-Reinforced Polymer (FRP) composites are used across industries. Because FRP profiles are versatile and flexible, it’s hard to find an industry that can’t benefit from the...
Composites Beyond 2021
The demand for Fiber Reinforced Polymer (FRP) composites is exploding in usage across a broad range of industries. It is lightweight, stronger, and more sustainable than old-school...
Flexible Design Options with Fiberglass
Ask a person what makes a good design and more than likely, you will get a number of different answers. According to Dieter Rams ─ a well-known German Industrial designer:
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