How to prevent moisture in bathroom decoration

When designing a bathroom, it's essential to consider waterproofing and moisture resistance in every aspect, from tiling walls and floors to installing pipes and selecting fixtures. A well-planned approach ensures both aesthetics and durability.

For wall and floor tiling, the waterproof layer should be applied beneath the surface. Start by leveling the floor with cement mortar and applying a waterproof coating. Then, spread a thin layer of 1-2 cm cement mortar as a bonding layer before laying tiles or other materials. After watering, use a wooden board to press the tiles flat and ensure tight joints. Before installation, back-coating the stone helps prevent water stains. The waterproof layer should extend 25-30 cm above the floor, while the sink should be installed 1.0-1.2 m high and the showerhead around 1.8 m. If using paint, apply waterproof putty and coating, ensuring the surface slopes slightly toward the drain for proper drainage and no water accumulation after a 24-hour test.

For ceilings, suspended systems with micro-aluminum gussets are ideal to improve air circulation and reduce condensation. If using gypsum board, first apply waterproof putty and then a waterproof coating. PVC ceilings may cause condensation issues, so they should be used with caution.

Pipe installation should avoid altering the original layout. All pipes must be straight, secure, and meet slope requirements. Valves and faucets should be installed in a way that’s easy to operate, with rust-resistant paint on visible pipes and anti-corrosive paint on hidden ones. Water supply connections must be tightly sealed and leak-free after testing. Floor drains should align with the sewer line and be slightly lower than the surrounding floor to ensure efficient drainage.

Bathroom fixtures should be placed accurately, with their top edges level. Choose branded, water-resistant products. For example, a shower heater used in humid conditions should have a stainless steel casing for corrosion resistance and include waterproof switches, cables, and plugs. Even if water splashes, it won’t cause damage. Additional waterproof features like lamps, sockets, and outlets are also recommended.

Wood should be avoided in bathrooms unless it’s treated with fireproof boards or fully coated with oil to make it waterproof. If using wood in the structure, such as for ceiling frames, apply waterproof coatings or preservatives to protect against moisture.

Proper ventilation is crucial in a bathroom. Invest in quality ventilation equipment to quickly remove steam and moisture, keeping the space fresh and hygienic. By addressing all these elements carefully, you can enjoy a relaxing and harmonious bathing experience, blending comfort with nature in perfect balance.

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