When it comes to installing a beautiful, functional and safe pool surround, the finer details matter. One of the most overlooked (but most important) components is the formwork that you use to shape your pool’s edge. What kind of formwork you’ll need will depend on the type of pool you have selected.
In this article, we’ll explore the differences in concrete vs fibreglass pool formwork, and explain how PoolEdge offers custom solutions to suit both. Whether you’re installing a brand new pool or giving your existing pool area a face lift, understanding the role of formwork and how it differs between pool type will help you get the finish you desire the first time.
Core Construction Differences That Affect Formwork
Not all pools are constructed the same, and that difference matters when it comes to selecting the right formwork for your project. Concrete and fibreglass pools each have unique construction methods, materials and edge profiles, which directly impact how your formwork needs to perform. Whether it’s poured on site or craned in fully formed, the way your pool is built sets the foundation for everything that follows. By understanding these fundamental differences, you’ll avoid costly setbacks and ensure your edge is designed for a seamless, lasting result.
Concrete Pools: Poured, Shaped & Fully Custom
Concrete pools are built onsite using a steel framework and poured concrete. This method allows for complete design flexibility in terms of the customisation of edges, depths, steps and shapes.
Because the edge is formed as part of the concrete pour, formwork plays a central role in creating a flush finish. Concrete pools are ideal for seamless pool edging and allow for precision alignment between the pool and surrounding area.
Fibreglass Pools: Pre-Moulded & Delivered Ready To Install
Fibreglass pools, on the other hand, are factory-moulded and delivered as a complete shell. Their shape and dimensions are set in advance, which limits edge customisation.
While the shell is ready to install, the transition between the fibreglass lip and pool surround still needs careful management. This is where specialised formwork comes in, to bridge the gap and support a seamless finish, even when the pool’s shape is custom or irregular.
Why These Differences Matter For Formwork
- Concrete pools require a concrete bond beam around the top of the pool and the top internal tiles to be placed to allow a perfectly square edge for the formwork to be attached to.
- Fibreglass pool edges are rarely square need adaptable custom formwork that can conform to the pre-set shell dimensions and accommodate site variability.
In both cases, selecting the right formwork ensures a durable, attractive and safe finish.
How Formwork Materials & Technique Vary
Selecting pool formwork isn’t a one-size-fits-all exercise, it must adapt to the material, method and measurements of the pool it’s framing. The choice between a concrete or fibreglass pool influences the final look of your pool, but it also determines which formwork materials and techniques are required to ensure a flush finish. Selecting the right approach at this stage makes the entire installation cleaner, faster and more aligned with modern outdoor design expectations.
Using A Tile Strip For Concrete Pool Edging
For concrete pools, your PoolEdge kit includes a PVC tile strip – a component that allows your concrete to sit flush with the pool edge.
- Ideal for projects using honed or exposed aggregate.
- Integrated during the pouring phase, making it a permanent, seamless feature.
- Ensures a sharp, level interface between pool and paving, with no bulky overhangs or coping tiles.
- Please note, the tile strip remains on the pool once the formwork has been removed to ensure a neat finish under the concrete.
This system supports a seamless pool transition and delivers a modern, resort style finish that aligns perfectly with the surrounding surfaces.
Using A Plumb Strip For Fibreglass Pool Edging
For fibreglass pools, PoolEdge uses a PVC plumb strip to support the surround.
- Fills the void between the fibreglass shell and the paving material.
- Flexible enough to adapt to slight shape variations or site movement.
- Allows for flush alignment with poured decorative concrete, without cutting awkward curves.
- Please note, the plumb strip remains on the pool once the formwork has been removed to ensure a neat finish under the concrete.
This makes the system DIY-friendly and ideal for achieving a professional-looking result, even if the pool shape isn’t perfectly straight.
Installation Considerations For Each Material
- Concrete pools require that the formwork is tied into the concrete bond beam.
- Fibreglass pools must be properly levelled and settled in the ground before the formwork is installed.
The success of your edge depends on proper planning and preparation – check out our formwork planning guide to ensure you are ready for installation day.
PoolEdge Solutions For Both Types
At PoolEdge, we understand that your preferred pool type shouldn’t limit your design vision. Our formwork systems are engineered to suit the distinct requirements of both concrete and fibreglass pool builds, without compromising on style or ease of installation. Whether you’re tackling a DIY project as a homeowner or you’re a builder managing a new installation, our solutions are designed for simplicity, precision and premium finishes. Each PoolEdge kit is cut to measure, tailored to fit your pool’s geometry and backed by resources to help you complete the job with complete confidence.
Tailored Kits Based on Your Measurements
Every PoolEdge kit is made to order using custom-cut polystyrene formwork. You’ll receive:
- A tile strip for concrete pools or a plumb strip for fibreglass pools
- Options for tight corners, curved edges and varying elevations
- Supporting materials including installation instructions, prep checklists and videos
Explore our full range of DIY formwork kits to find the right fit for your project.
Seamless Finish Without Complex Workarounds
Say goodbye to bulky bullnose pavers, uneven gaps or trip hazards. PoolEdge is designed to work with your pool and not against it.
- Flush, seamless transitions between pool and paving
- No need for costly or awkward adjustments
- Suited to decorative concrete pool surrounds
Ideal For DIY or Builder Installations
Whether you’re a seasoned contractor or a homeowner tackling a DIY pool edging project, PoolEdge kits make it simple.
- Lightweight and easy to handle
- Templates and install videos simplify prep
- Support is always available if you need guidance
Choosing The Right Formwork For Your Pool Type
Even a breathtaking decorative concrete finish can fall short if the wrong formwork system is utilised underneath. Your pool type determines how the surrounding surfaces align, which components are required and what installation process will ensure the best result. At this stage of the project, making an informed choice is essential. Whether you’re planning a new build or updating an old pool edge, selecting formwork that’s engineered for your pool type ensures durability, safety and a polished finish that elevates the space.
Renovating or Replacing Old Edging?
If you’re updating an older pool, formwork can be adapted to suit, but make sure to match the right system to the pool type.
- Concrete and fibreglass systems are not interchangeable
- Accurate measurements are paramount for a clean finish
New Pool Build? Confirm Details Early
Plan ahead to avoid issues during installation. Know your:
- Pool type and shell dimensions
- Pool surround material
- Any level changes or retaining structures
The more accurate your planning, the smoother your install will be.
Still Unsure? Ask The Experts
If you’re not quite sure which formwork is best suited to your project, reach out to PoolEdge. Our specialist team can provide tailored advice based on your plans or installation goals. We are here to help whenever you need us throughout the entire process.
Final Thoughts: Fit Your Formwork To Your Pool Type
Your pool’s edge is more than just a finishing touch. It’s where safety, style and structure intersect. That’s why selecting the right formwork system is one of the most important steps in your swimming pool installation project. From the bespoke nature of poured concrete to the precision-fit challenges of fibreglass shells, PoolEdge provides a reliable system that makes achieving a sleek, seamless pool surround simple and achievable.
If you’re ready to get started, explore our DIY formwork kits and see how PoolEdge can help you create a long lasting finish that fits your pool type and lifestyle.