台迪三步法：从多样到精炼的选择之道

Choose the Best Waterproof Backer Board: tetti's Three-Step Method Choosing Waterproof Backer Boards: How to Determine Quality

When choosing a waterproof backer board, consumers often face a challenge: they all look similar, so how can one tell the good from the bad?

Previously, tetti introduced the "smell, look, smash" three-step method to help consumers avoid buying low-quality products. This method aims to allow consumers to quickly select high-quality waterproof backer boards without needing to understand complex technology.

Recently, there have been claims that the three-step method is "inaccurate" and that professional equipment should be used. Today, we reiterate: the core value of the three-step method lies in its consumer-oriented approach.

Identifying Waterproof Backer Boards: A Method Born for Consumers

No one carries a detection device while shopping for building materials. What consumers truly need is a quick, low-cost, practical, and easy-to-learn method that can help them quickly filter out obviously不合格 products in the shortest time possible.

This is the significance of the "three-step method": it does not replace professional testing, but converts the complex judgment process into daily experience that ordinary people can operate.

It may not be perfect, but it is simple enough and effective enough.

Three Steps to Identify Waterproof Backer Boards

▲ Polystyrene raw material - new material (left) and recycled material (right)

Smell: Break the core material open and smell for pungent odors - the purity of the polystyrene resin used as the core material directly affects the smell. Recycled material often has a strong odor due to its unknown source, which is the most direct environmental signal.

Look: Use an ultraviolet light to照射 the core material and observe whether it undergoes fluorescence - fluorescence agents are often used to cover the color of recycled materials, confusing the appearance quality.

Smash: Use a steel ball to smash the surface of the board and observe whether the surface cracks - better products have a uniform and stable core material structure, and the surface mortar layer has more flexibility and resistance to impact.

In the proposal of the "three-step method," the tetti technical team had previously proposed nearly 30 identification methods on the topic of "how to choose a good waterproof backer board," of which many relied on professional equipment, and some required complex experimental conditions. However, for ordinary consumers, such methods are difficult to truly use.

Ultimately, after user testing and repeated verification, we retained only three of the most intuitive and easiest-to-use steps. The core reason is one: what consumers are most concerned about is "not stepping into a trap," and these three steps just solve the key environmental issue in home improvement - quickly distinguish new material from recycled material through smell and fluorescence, and products using recycled material should not be considered.

For professional scenarios, we have a complete set of professional testing processes: from apparent density to instrument data and inspection reports. However, for ordinary consumers, "simple and useful" is more important than "accurate and complex."

Some friends might ask: Is it because you want everyone to buy tetti that you promote the "three-step method"? In fact, it is not. The original intention of tetti in establishing this standard is to see too many poor-quality waterproof backer boards in the market: some use recycled material to假冒 new material, some only select special small samples for inspection, and some spend money to buy reports from unregulated agencies. Consumers can't understand technical parameters and can only be deceived by "low price." What we want to do is teach everyone "the first sieve" - no matter which brand you choose, you can use this method to first filter out poor-quality products using recycled material.

Whether to choose tetti or not is not important, what is important is that everyone can buy reassuring waterproof backer boards, and what is important is that the whole industry can have less "substandard products passing as high-quality" and more "transparent and standardized." The waterproof backer board industry is still in an upward stage, and every brand in it needs to have a respectful attitude. Only when the quality of the whole industry improves can consumers truly be at ease.

There are significant differences between domestic application scenarios and those abroad. The domestic decoration scenarios are too diverse, and the "three-step method" is just a "quick screening tool," but not a "final standard." If professionals want to communicate more detailed testing methods, we are always welcome. The progress of the industry depends on everyone's efforts.

tetti always believes that a brand is not only a producer of products but also a disseminator of knowledge and standards. Only when high-quality judgment methods are widely recognized and practiced can high-quality products truly enter thousands of households.

This is what we hope to see the most in the future.

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