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Hard vs Soft Casters
The first thing to decide on is the type of tread the caster should have. Caster wheels can either have hard or soft treads.
One way to easily tell which type of caster goes well with certain flooring materials is to remember that opposites attract. Soft casters are best for hard surfaces, like tiles, hardwood, and laminate. Meanwhile, hard casters suit softer floor surfaces.
As such, for carpeted flooring, the best option to go with is hard tread casters. Hard casters require less force to roll and move around. Moreover, hard casters tend to be more durable and can handle heavy weights well.
All of these make hard casters much more suitable for carpets, which can be irreparably damaged from too much force or weight.
Check the Caster Material
Make sure to check the material of the caster wheel. Not all hard castors are made equal — some materials roll better on carpet flooring.
For the best casters on carpet, the best choice is caster wheels made of hard nylon and polyurethane. Both materials are suitable for heavy loads and have excellent wear and tear resistance. Nylon and polyurethane wheels can take occasional impacts without cracking, splitting, or completely fracturing.
Another great caster for carpets are metal ones. Metal casters can easily cut or roll through carpets, even those with thick piles.
Consider Ball or Rolling Casters
Sometimes, even the best hard nylon or metal wheel casters find it difficult to roll through thick carpets. Even twin nylon wheels can dig into carpets with deeper or longer piles.
In such cases, it is best to consider office chair casters made with metal or nylon balls. These casters have a spherical ball partially covered by a hood. These ball or rolling casters pass through high pile carpeting easier.
One downside to using ball casters is its limited availability. Most commercially available and standard office chairs come with either nylon or polyurethane wheels. You may need to customize your office chair if you want it to glide seamlessly over your beautiful shag carpet.
If you’re planning on customizing your home office chair with metal or nylon ball casters, THE CASTER GUY can help you find the best casters to fit your needs.
Look for Quality Fittings
It’s not enough to get casters with high-quality wheels — they need to have high-quality fittings as well.
Fittings are components that connect caster wheels and keep them in one piece. The best fittings are often those made of well-cast and sturdy steel. Although light aluminum has its benefits, it may not stand up to heavy loads as well as steel.
Plastic fittings are common for office chair casters. However, take note that these can be vulnerable to fractures. Even if the polyurethane or nylon caster wheel is intact, you may need to replace the whole caster when the plastic fittings break.
Size and Design of Caster Wheels
It is also important to consider the size of your casters. Larger caster wheels are great for both uneven and soft surfaces, like carpeted floors. Moreover, larger wheels form less depression or dip on the carpet, as the weight they carry is spread out over a larger surface.
However, large wheels also have their disadvantages. Office chairs on carpeted floors must be able to roll smoothly but still have a certain amount of resistance. If the caster wheel is too large and moves easily, the chair might roll away when you try to sit down.
As for the design, a dual or two-wheel caster is often preferred for carpeted floors, especially for low-pile or industrial carpets. However, these are not recommended for high-pile carpets.
