Both steel and concrete are strong and well understood, and have a well-established supply chain, which is why they have become the go-to material for utility and telecom poles for…
Both steel and concrete are strong and well understood, and have a well-established supply chain, which is why they have become the go-to material for utility and telecom poles for decades. However, the inability to use traditional pole materials has grown increasingly more difficult to overlook. As network infrastructure moves into hard-to-reach areas, including fibre rollouts, 5G densification and deployment in rural broadband areas, speed and less resource-intensive deployment becomes increasingly more important.
FRP Poles (fibre-reinforced plastic, or glass fibre reinforced polymer) is no longer a choice for niche use, but has become a mainstream specification for telecom operators and OEMs requiring infrastructure to go up quickly, stay up longer, and cost less to operate over a multi-decade service life. This blog helps you understand the differences among FRP Poles, steel and concrete on the criteria that really matter for a pole deployment when it comes to Telecom Operators.
Weight and Installation Speed
A typical FRP pole is 60-80% lighter than a steel or concrete pole of the same load rating. That weight disparity is not a “spec sheet” matter, rather it alters the entire logistics and installation system. Lighter poles: Smaller cranes, or in many cases no crane, were needed; fewer people per installation crew; and dramatically faster transport to remote, low accessibility sites where a concrete pole would require specialised heavy-vehicle access.
Field data from the deployment of telecom equipment with FRP record a reduction of about 50 percent in manpower needed for transportation and installation plus a 50 percent improvement in deployment speed. That installation speed is multiplied by thousands of pole sites to yield a significantly shorter project schedule for an OEM undertaking a massive rural broadband or FTTH deployment on a hard deadline.
Corrosion and Weather Resistance
Steel poles rust. In coastal or high humidity areas, concrete poles absorb water which eats away the steel reinforcement from the inside, causing cracks to form in the concrete skin around the steel. FRP poles are resistant to both, as the material itself will not rust, rot or chemically break down with moisture, salt air or most industrial pollutants.
Independent testing has demonstrated that FRP structures can withstand wind speeds up to 200 km per hour and remain structurally unharmed, which makes them suitable for coastal telecom corridors, cyclone afflicted areas, and industrial and chemical zones in the air that are corrosive, all of which form part of an Indian telecom footprint that stretches from the coast, into the monsoon zones and heavy industrial areas.
Electrical Insulation — A Safety Advantage, Not Just a Durability One
FRP Poles is non-conductive as compared to steel. This is a real safety differentiator, rather than a materials-science footnote, for the telecom pole that runs alongside and shares right-of-way with a power pole — it eliminates the risk of propagation through the pole structure itself caused by an electrical fault and eliminates the need for additional insulation hardware on the pole that would be needed in an installation with a conductive pole. This non-conductive characteristic makes the material useful for other poles, cable trays, gland plates and enclosure parts where the manufacturer needs to break electrical continuity between the structural hardware and the live equipment.
Lifespan and Total Cost of Ownership of FRP Poles
The sticker price of FRP poles is typically higher than the basic steel or concrete pole. When maintenance and lifespan are taken into consideration, however, it’s a different story altogether. In harsh environments, FRP structures last for more than 50 years, which is far longer than the service life of steel structures (20 to 40 years until corrosion causes them to be replaced) and concrete structures (30 to 50 years, with lower service life in coastal and high moisture zones).
Another advantage of FRP is the very low level of routine maintenance required; no repainting, no anti-rust treatment and no periodic structural inspection, based on corrosion susceptibility. Over the life of a pole, this reduced material upfront cost is more than made up for by the low maintenance costs and the extended lifespan of the pole, especially at the deployment scale that telecom operators and OEMs are at.
Where FRP Poles Makes the Most Sense
For telecom or utility poles profile (moderate load, long service life, remote or difficult access locations, and a premium on installation speed and low manpower requirements), FRP proves superior to traditional materials on deployment speed, corrosion resistance, safety, and life-cycle cost metrics that are most relevant to network planners.
Manufacturing Quality Is What Determines Real-World Performance
Not every FRP is created equal and that’s where buyers of an manufacturer of frp poles can’t rely on the material name listed on the datasheet. The actual tensile strength and the UV stability and long-term weathering performance of a pole is directly influenced by the resin system, the ratio of fibre to resin and the type of production technique used, whether it be pultrusion or filament-winding — two poles can be marked with exactly the same label “glass fibre reinforced polymer” but perform very differently in the field, depending on the quality of the production.
A resin type (vinyl ester and epoxy resins are normally superior in UV and chemical resistance compared to basic polyester), a fibre-to-resin ratio and third party test data for tensile strength and water absorption should be requested instead of using ‘FRP’ as a spec to be interchanged. If the price of the glass fiber reinforced polymer seems unusually low when compared to other suppliers, then the fibre content is probably lower than standard, or the resin system is probably not as high quality, and these qualities will become apparent after a few years in service — just the types of failures that the FRP is designed to prevent.
What This Means for OEMs and Infrastructure Buyers
for OEMs and telecom infra buyers considering the materials to use in pole and enclosure projects, the trend toward FRP is already impacting their procurement. The benefits are readily apparent when the application requires corrosion resistance, reduced weight, electrical insulation and long term outdoor performance.
Custom Wraps | Byteworx takes these engineering aspects into account in the solutions we offer such as FRP poles and FRP outdoor infrastructure solutions for demanding telecom applications. CWIPL does not try to solve all the problems of metal framing with FRP, but rather aim to select the material and construction appropriate to the operating environment and application.
When planning the next generation of networks, assessing TCO, installation specifications, exposure to environment and long term performance—along with the initial cost—can help OEMs and infrastructure providers decide which material to invest in.
Our FRP solutions are designed to meet the changing demands of today’s telecom installations, particularly with regards to durability, usability and installation efficiency.