How to Decorate Prefabricated Concrete Houses

The decoration of prefabricated concrete houses can refer to the following methods, which need to be tailored according to the structural characteristics of the house:

I. Wall Decoration

The walls of prefabricated concrete houses need to prioritize solving the flatness issue. If there are minor irregularities on the wall, white latex paint can be directly applied, achieving uniform coverage through multiple thin coats; if the irregularities are severe, cement mortar or gypsum-based materials should be used to re-level the wall, ensuring an error of no more than 3mm/2m. After leveling, it is recommended to apply a base film to enhance the wall's adhesion, facilitating the subsequent application of wallpaper or other decorative materials. Note: Concrete walls are highly absorbent, so an appropriate amount of waterproofing agent should be added to the latex paint to prevent alkali efflorescence or peeling later on.

II. Floor Decoration

1. Structural Reinforcement: If the house has been inhabited for a long time, the prefabricated slabs may suffer from insufficient load-bearing capacity due to aging. There are two reinforcement methods:
   • Reinforced Concrete Reinforcement: Add two "X"-shaped small beams beneath the prefabricated slabs, forming an integral structure with the slabs through hole drilling and grouting to enhance structural stability.
   • Steel Beam Reinforcement: Accurately locate the positions of steel beams on both side walls, fix the steel beams with supports to closely adhere to the bottom of the prefabricated slabs, suitable for spaces with large spans.
2. Base Layer Treatment: The floor needs to be leveled with cement mortar, with an error controlled within 5mm to prevent hollow drums in the floor or tiles.
3. Material Selection:
   • Floor Tiles: Prioritize slip-resistant and dirt-resistant styles. Warm-toned or patterned tiles can enhance the warmth of the space.
   • Flooring: Solid wood flooring requires strict control of indoor humidity (recommended 40%-60%). Imitation wood flooring (such as SPC stone-plastic flooring) has superior waterproofing and is suitable for damp areas.
   • Waterproof Layer: Areas such as kitchens, bathrooms, and balconies need to be coated with 2-3 layers of waterproof paint, with a height of no less than 1.8m. A closed-water test for 48 hours without leakage should be conducted before laying materials.

III. Door and Window Decoration

1. Material Selection: It is recommended to choose solid wood paint-free doors for doors, which are environmentally friendly and easy to clean; for windows, broken bridge aluminum is recommended for its excellent thermal insulation and sound insulation performance, with a service life of up to 20 years.
2. Installation Points: If the original doors and windows have no quality issues and match the style, they can be retained, but the gaps should be filled with cement mortar or foam glue to prevent air and water leakage; when replacing new doors and windows, ensure that the frame is firmly connected to the wall to avoid deformation later on.

IV. Kitchen and Bathroom Decoration

1. Water and Electricity Layout: Plan the routes of water pipes and wires in advance. It is recommended to adopt the principle of "water running overhead and electricity running on the ground" to facilitate later maintenance.
2. Waterproof Treatment: The waterproof height on the walls should be no less than 1.8m, and the ground should be sloped (towards the floor drain) to ensure smooth drainage.
3. Material Matching: The colors of floor tiles and wall tiles should be unified to avoid visual clutter; the size of cabinets should be customized according to the height of family members (e.g., the height of the base cabinet = height/2 + 5cm), reserving operating space and positions for appliances.

Key Tips: The decoration of prefabricated concrete houses should focus on structural safety, and reinforcement work should be carried out by professionals; material selection should balance functionality and environmental protection to avoid rework later on.