Anyone who has spent time on a construction or decorating project will have seen both protective cardboard and Correx covering finished floors. They often appear to perform the same role, leading many homeowners and even some contractors to assume they're interchangeable. In reality, they were designed for different working environments, and understanding where each product excels can save money, reduce waste and provide better protection for finished surfaces.
The decision isn't about which material is universally "better." It's about understanding the risks on your project. A one-day decorating job inside an occupied home has very different requirements from a six-week commercial refurbishment with multiple trades working across newly laid flooring. Choosing the right temporary floor protection means thinking about moisture, traffic levels, project duration and whether the protection will be used once or many times.
If you're still deciding which type of floor protection is appropriate for your project, you'll find our full range of TI-Pro® Correx floor protection products and the protective card board.
Why Contractors Often Carry Both
Walk into almost any professional decorator's van and you'll usually find more than one type of surface protection. That's because experienced contractors don't think in terms of products. They think in terms of risk.
Protective cardboard is inexpensive, lightweight and easy to recycle, making it ideal for short decorating projects where the objective is preventing dust, light scuffs and minor marks. If the work is expected to last only a day or two and the environment is dry, cardboard is often the most economical choice.
Correx becomes the preferred option when the project becomes more demanding. Commercial fit-outs, school refurbishments, healthcare projects and high-end residential renovations typically involve heavy foot traffic, multiple trades and a greater likelihood of paint, plaster or water finding its way onto the floor. Under those conditions, the additional durability of fluted polypropylene quickly outweighs its higher purchase price.
The Painting and Decorating Association highlights the importance of protecting completed work throughout a decorating project, particularly where several trades are sharing the same workspace.
Moisture Changes Everything
Perhaps the biggest practical difference between cardboard and Correx only becomes obvious once the project is underway.
Cardboard performs well while it remains dry. Once water, paint, plaster or cleaning solutions soak into the fibres, it begins losing strength. Heavy foot traffic can then cause it to tear, wrinkle or transfer moisture onto the finished floor beneath.
Correx behaves very differently. Because it is manufactured from polypropylene, liquids remain on the surface rather than being absorbed into the sheet. Most spills can simply be wiped away before work continues, allowing the same board to remain in service for days or even weeks.
This is one of the reasons Correx is frequently specified on larger refurbishment projects where completed areas need to remain protected while other contractors continue working elsewhere in the building.
Looking Beyond Purchase Price
It is easy to compare products based only on the price printed beside them, but professional contractors rarely make purchasing decisions that way.
A sheet of protective cardboard may cost less than a sheet of Correx, but if it needs replacing every day or becomes unusable after the first paint spill, the initial saving quickly disappears. Conversely, purchasing Correx for a small one-room decorating project may provide durability that simply isn't required.
Experienced buyers often think in terms of cost over the life of the project rather than cost on the day of purchase. That approach considers replacement materials, labour interruptions, disposal costs and the possibility of reusing materials on future jobs.
If you're comparing suppliers rather than products, our independent review of UK Correx suppliers examines pricing, delivery options and overall value across the market.
Read: Correx Price Comparison: Comparing Leading UK Suppliers
Sustainability Isn't Quite as Simple as It Looks
Cardboard is often viewed as the environmentally friendly option because it is manufactured from recycled paper fibres and can usually be recycled after use.
Correx introduces a different sustainability argument. Although manufactured from polypropylene, a quality board may be reused many times before reaching the end of its service life. For contractors completing regular refurbishment projects, that durability can significantly reduce overall material consumption.
The UK Green Building Council has repeatedly encouraged the construction sector to consider the whole life of building materials rather than focusing solely on their initial manufacture. Durability, reuse and waste reduction all play an important role in improving environmental performance.
Matching the Protection to the Project
Rather than asking which product is better, it is often more useful to ask what the floor will experience over the coming days.
If decorators are carrying out a quick repaint in an occupied home, protective cardboard is likely to provide everything required. If a team of electricians, joiners, plasterers and decorators will all be crossing the same finished timber flooring for several weeks, Correx becomes the more appropriate solution.
That is also why many contractors order temporary floor protection alongside the tapes designed to secure it properly. A poorly secured protection system can create movement, gaps and unnecessary trip hazards regardless of which material is used.
Our article explaining which tape works best with temporary floor protection looks at cloth tape, masking tape and specialist floor tapes used across different surfaces.
The Decision Most Professionals Make
One of the interesting things about speaking with experienced contractors is that very few describe themselves as "cardboard users" or "Correx users."
They simply use the material that makes the most sense for the project in front of them.
Cardboard remains an excellent solution for light-duty decorating work, particularly where cost and recyclability are priorities. Correx remains one of the industry's preferred products where durability, moisture resistance and repeated use become more important.
Knowing the difference means you spend money where it adds value instead of paying for protection you don't need. Or worse, discovering too late that you needed something stronger.