Compare one-piece toilets and two-piece toilets

1-piece toilet and 2-piece toilet: What is the difference that makes your choice?

When designing a bathroom, choosing a toilet is one of the most important decisions. The toilet not only affects the comfort but also contributes to the overall beauty of the space. One-piece toilet and two-piece toilet, which type will suit your needs and bathroom design? Let's find out in detail the difference between one-piece and two-piece toilets to help you make the right choice.

  1. Structure and design:
    • One-piece toilet:
      • Structure:  As the name suggests, a one-piece toilet has a seamless design, combining both the toilet body and the water tank into a single block. This gives it a neat and simple appearance.
      • Design:  One-piece toilets often have a modern, luxurious design. Because there is no connection between the toilet body and the water tank, one-piece toilets can create a more unified and elegant feeling.
    • Two-piece toilet:
      • Structure:  The 2-piece toilet has a separate structure of the toilet body and water tank placed above or behind the toilet. These 2 parts are connected together by joints and accessories.
      • Design:  Two-piece toilets have a traditional design but can take up more space.
  2. Dimensions: In general, in terms of overall dimensions, both 1-piece and 2-piece toilets are quite similar. However, there is a big difference in transportation. The 2-piece toilet type that can be separated into 2 pieces will have the advantage of being easier to move and less expensive.
  3. Weight: One-piece toilets are on average heavier than two-piece toilets. With a monolithic ceramic design attached to the water channel and a solid core attached to the pedestal, the weight of a one-piece toilet can be up to 40kg. Meanwhile, a two-piece toilet only weighs about 25kg.
  4. Convenience: Both one-piece and two-piece toilets can be equipped with water-saving technology. However, two-piece toilets often have a water-flush adjustment feature, allowing users to choose the flush mode (low or high flush) depending on their needs. Meanwhile, one-piece toilets also have efficient flushing systems, but due to their closed structure, adjusting the water flow may not be as flexible as two-piece toilets. In  addition, two-piece toilets with separate structures have a noisier flushing system, a narrower seat, and fewer modern features than one-piece toilets.
  5. Aesthetics: 
    • The monolithic design of a 1-piece toilet requires complex craftsmanship and manufacturing technology. This process also consumes a lot of materials, so the value of the product is further enhanced 1-piece toilets are more highly regarded than 2-piece toilets in terms of aesthetic beauty. With a seamless, uncut design, 1-piece toilets bring the beauty of unity and harmony to the bathroom space. 1-piece toilets are the top choice of modern aesthetic trends. Luxury villas, 5-star hotels, etc. all use 1-piece toilets to enhance the beauty of the bathroom and toilet space, while enhancing the user experience.
    • The aesthetics of two-piece toilets tend to be traditional. Therefore, to honor the style of rooms built in classical architecture, people often prioritize the use of two-piece toilets.
  6. Durability: 
    • One-piece toilet:  With a structure of a large ceramic block, there are no parts or joints to maintain. Therefore, the maintenance process of a one-piece toilet is very easy, and there is no need to worry about water leakage.
    • Two-piece toilet:  Over time, the joint between the tank and the toilet body can crack, so it needs careful care and maintenance. Not only that, the rubber gasket connecting these two parts can deteriorate after a few years of use. This is the area at risk of water leakage.
  7. Price:  2-piece toilets cost much less than 1-piece toilets.
    • Because the production process of a one-piece toilet is not only more complicated but also requires a large amount of raw materials. If there is a fault in the production process of a two-piece toilet, only that part needs to be redone. Meanwhile, if there is a fault in a one-piece toilet, it must be destroyed and redone from the beginning. 
    • In addition to the production cost, the transportation cost of a one-piece toilet is also higher. Due to its bulky size, it takes a lot of effort and manpower to transport and install.

So should you buy a 1-piece or 2-piece toilet? Please refer to the comparison table below to help you choose more easily.

Criteria

1-Piece Toilet

2-Piece Toilet

Structure

Seamless, combining toilet and water tank in 1 block

2-part structure: separate toilet body and water tank

Design

Modern, luxurious, uniform, space saving

Traditional, takes up more space

Suitable for Space

Suitable for modern, small bathroom space

Suitable for large bathrooms and large spaces

Toilet

Easy to clean, few gaps for dirt to accumulate

More difficult to clean because the joints easily accumulate dirt

Save Water

Has an efficient, but inflexible drainage system

Water discharge mode can be adjusted according to needs

Durability

It may be durable, but if one part breaks, the whole thing has to be replaced.

High durability, easy to replace parts if damaged.

Noise

Low noise when flushing

May make more noise when flushing

Price

Usually higher, due to monolithic design and complex technology

More reasonable price, save cost

Shipping & Installation

Difficult due to large weight and size

Easier due to being divided into two separate parts

Above are all the comparisons to help you choose the right toilet for your bathroom. Hopefully, the article has helped you choose the toilet model that best suits your needs. If you need advice, please contact Ceravi immediately for quick support and advice. Ceravi is committed to bringing you a great shopping experience, with professional consulting services, installation support and long-term product warranty.