What Are The Key Processes For Anti Slip Treatment Of Anti Slip Terrazzo in Bathrooms? Do You Need To Apply Waterproof Coating?

Sep 22, 2025

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The key process and waterproof coating application analysis of anti slip terrazzo in bathroom anti slip treatment are as follows:

1, Key processes for anti slip treatment
Surface polishing and anti slip coating
The core of terrazzo anti slip lies in surface treatment. Mechanical polishing (such as rough grinding wheel, diamond grinding) can increase surface roughness and enhance friction. However, polishing alone may not be able to meet the long-term humid environment requirements of the bathroom, so it is necessary to combine anti slip coating treatment.
Coating selection: Choose wear-resistant and highly adhesive materials such as acrylic acid and alkyl polysiloxane to form an anti slip protective film.
Construction points: The coating should be evenly covered, especially at the dividing strips and corners, which need to be finely processed manually to avoid omissions.
Sealing treatment and anti slip enhancement
After the completion of terrazzo construction, sealing treatment should be carried out to fill the surface pores and prevent water infiltration from causing a slippery feeling. Sealing agents can enhance surface hardness (up to 6-8 levels) while improving slip resistance.
Anti slip pad assistance
Lay rubber or PVC anti slip pads in high-risk areas such as shower areas and bathtubs, and increase the contact area through raised designs to further reduce the risk of slipping.
2, The necessity of waterproof coating
The bathroom must be coated with waterproof paint for the following reasons:

The limitations of terrazzo itself
Although terrazzo has certain waterproof properties, long-term water accumulation in the bathroom may cause the base to become damp, leading to mold growth, odors, and even affecting the structural lifespan. Waterproof coating can form a continuous waterproof layer, blocking moisture penetration.
Construction specification requirements
Waterproof height: The wall waterproof layer needs to be flipped up to at least 1.8 meters, and the floor waterproofing needs to cover all possible water accumulation areas.
Detail processing: The joints between walls and floors, as well as the roots of pipes, should be painted in a "figure eight" shape to ensure no omissions.
Closed water test: After the waterproof layer is completed, a 24-hour closed water test must be conducted to confirm that there is no leakage before construction can continue.
Material Compatibility
Waterproof coatings (such as polyurethane and JS composite waterproof coatings) should be compatible with the terrazzo substrate to avoid detachment or failure due to material conflicts.

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3, Suggestions for process integration
Grassroots treatment: Clean the floating dust and oil stains on the surface of the terrazzo to ensure smoothness and dryness.
Waterproof construction: Apply waterproof coating, focus on treating wall and ground joints, pipe roots, and conduct closed water testing.
Anti slip treatment: After the waterproof layer dries, the surface is polished or coated with anti slip coating to enhance friction.
Sealed maintenance: After construction is completed, maintain for 5-7 days to avoid early trampling or heavy pressure.
4, Conclusion
Anti slip process: With surface polishing and anti slip coating as the core, combined with sealing treatment and anti slip pad assistance.
Waterproof coating: It must be applied and strictly follow the construction specifications to ensure that the bathroom is dry and safe for a long time.
Through process integration, terrazzo can achieve dual functions of anti slip and waterproof in the bathroom, extending its service life and improving its safety.

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