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2025

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06

Preparation before purchasing building material from China


As a major manufacturer and exporter of building materials worldwide, China has become the preferred purchasing destination for many international buyers due to its high cost-effectiveness, diverse product categories, and mature supply chain. But before placing an order, did you fully understand the market rules, supplier screening points, and logistics clearance details? Making good preparations in advance can not only avoid risks, but also maximize procurement efficiency!

1.Understanding Renovation Styles and Market Trends

01.Renovation Styles

Modern Minimalist: Clean and vibrant, emphasizing functionality and practicality.

European Classical: Luxurious and grand, showcasing noble elegance.

Chinese Traditional: Classic and refined, highlighting cultural heritage.

Rustic: Natural and fresh, embracing countryside simplicity.

02.Market Trends

Research local market characteristics and trends.

Choose a style that aligns with family preferences and needs.

Balance budget and cost-effectiveness for informed decisions.

03.Renovation Knowledge

Learn fundamentals: materials, techniques, and design principles.

Understand regulations and policies to avoid disputes.

Gain insights from renovation books and online resources.

Selecting the Right Renovation Company and Designer

01. Choosing a Renovation Company

Verify the company's qualifications, scale, and reputation.

Review their portfolio and client testimonials.

Communicate to understand their workflow and services.

02. Selecting a Designer

Choose an experienced designer specializing in your preferred style.

Examine their professional background and past projects.

Clearly communicate your design requirements and expectations.

03. Contract Signing

Carefully review all contract terms and details.

Confirm key clauses including project timeline and costs.


Evaluating Renovation Budget and Timeline

01.Budget Planning

Develop a detailed budget plan covering materials, labor, design and other expenses

Allocate contingency funds for potential additional costs

Monitor budget execution regularly to prevent overspending

02.Project Schedule

Establish a realistic timeline including preparation, construction and inspection phases

Coordinate with contractors to ensure adherence to schedule

Address issues promptly to avoid delays

03.Risk Management

Identify potential risks like quality issues or project delays

Consider purchasing renovation insurance to mitigate potential losses

Maintain open communication with contractors to resolve risk factors

2.Choose appropriate decoration materials

Selection of Flooring, Wall and Ceiling Materials

Flooring Materials

Solid Wood Flooring: Natural texture, excellent eco-friendliness, but relatively expensive.

Laminate Flooring: Highly wear-resistant, moderately priced, easy to maintain.

Floor Tiles: Durable, slip-resistant, easy to clean - ideal for kitchens and bathrooms.

Wall Materials

Paint: Environmentally friendly, cost-effective - suitable for bedrooms and living rooms.

Wallpaper: Rich colors and diverse patterns - perfect for bedrooms and living areas.

Diatom Mud: Eco-friendly, regulates indoor humidity - excellent for living rooms and studies.

Ceiling Materials

Aluminum Panel: Moisture-proof, fire-resistant, easy to clean - best for kitchens and bathrooms.

Gypsum Board: Premium texture, excellent sound insulation - ideal for bedrooms and living rooms.

PVC Panel: Affordable price, easy installation - suitable for kitchens and bathrooms.

Key Features Comparison:

Durability: Tiles > Laminate > Solid Wood

Cost: Solid Wood > Laminate > Tiles

Maintenance: Laminate/Tiles > Solid Wood

Eco-Friendliness: Diatom Mud > Paint > Wallpaper

Installation: PVC Panels > Aluminum Panels > Gypsum Board

Note: Consider room functionality and humidity levels when selecting materials. Wet areas like bathrooms require moisture-resistant options.


Selection of Kitchen and Bathroom Renovation Materials

Kitchen Materials

Cabinets: Choose high-quality, durable and moisture-resistant materials such as solid wood or fireproof boards

Tiles: Select wear-resistant, anti-slip and easy-to-clean tiles suitable for walls and floors

Hardware: Opt for premium quality, long-lasting fixtures including faucets and switches

Bathroom Materials

Vanities: Select high-quality, waterproof and durable materials like solid wood or PVC

Shower Enclosures: Choose well-sealed, easy-to-clean materials such as tempered glass or stainless steel

Hardware: Invest in corrosion-resistant, durable fixtures including faucets and shower heads

Key Considerations:

Moisture Resistance: Critical for both kitchen and bathroom materials

Durability: Especially important for high-use areas

Ease of Cleaning: Smooth, non-porous surfaces preferred

Safety Features: Anti-slip surfaces for floors

Material Compatibility: Ensure all materials work well in humid environments


Selection and Precautions for Eco-Friendly Materials

Eco-Friendly Materials Selection

Non-Toxic Options: Choose pollution-free materials like water-based paints and environmentally friendly wallpapers

Certification Standards: Select materials with recognized eco-labels such as China Environmental Labeling or EU CE Mark

Emission Testing: Verify low emission levels of harmful substances (formaldehyde, benzene, etc.)

Key Precautions

Material Optimization: Plan material usage carefully to avoid over-renovation

Product Freshness: Check manufacturing dates and expiration periods when purchasing

Post-Renovation Ventilation: Maintain proper air circulation to accelerate dissipation of volatile compounds

Certification Reference Guide:

China Environmental Labeling: Indicates compliance with national environmental standards

EU CE Mark: Ensures meeting European health/safety/environmental requirements

GREENGUARD: Certification for low chemical emissions (international standard)

FSC Certification: For responsibly sourced wood products


3.Precautions and safety issues during the decoration process

Key Considerations for Plumbing/Electrical Renovation and Waterproofing

Plumbing & Electrical System Renovation

Optimal Layout Design: Plan logical water and electrical routing to meet household requirements

Premium Materials: Select high-quality pipes and wiring to eliminate safety hazards

Regulatory Compliance: Strictly adhere to safety codes during installation to ensure construction quality

Waterproofing Treatment

Critical Areas Protection: Implement comprehensive waterproofing in moisture-prone zones (kitchens/bathrooms)

Material Selection: Use premium waterproofing compounds like polyurethane coatings or waterproof membranes

Quality Verification: Conduct mandatory 48-hour water containment tests post-application to validate effectiveness

Professional Implementation Standards:

Electrical:

Minimum 20cm separation between high/low voltage lines

Circuit breakers for all major appliances

GFCI protection in wet areas

Plumbing:

Pressure test at 1.5x working pressure

Insulation for exposed pipes

Access panels for key junctions

Waterproofing:

1.5mm minimum coating thickness

30cm vertical extension beyond wet areas

Corner reinforcement with fiber mesh


Construction Guidelines for Walls, Floors and Ceilings

01. Wall Construction

Surface Preparation: Thoroughly clean and level all wall surfaces before treatment

Material Selection: Choose appropriate wall finishes (paints, wallpapers, etc.) based on room functionality

Application Standards: Maintain optimal temperature (10-35°C) and humidity (<85%) during painting for proper curing

02. Floor Construction

Base Preparation: Conduct proper leveling (tolerance ≤3mm/2m) and debris removal prior to installation

Material Selection: Install suitable flooring materials (hardwood, tiles, etc.) according to traffic patterns

Quality Control: Prevent cracking/hollowing through proper expansion gaps (8-12mm for wood) and adhesive application

03. Ceiling Construction

Structural Planning: Design load-bearing frameworks with adequate support spacing (≤600mm for gypsum)

Material Selection: Choose moisture-resistant materials (aluminum panels) for wet areas

Safety Protocols: Implement fall protection during installation and verify fire ratings for all materials

Key Technical Specifications:

Wall Finishes:

Primer application required for absorbent surfaces

Putty thickness ≤2mm per layer

Minimum 2 coats of premium paint

Flooring:

Subfloor moisture content <12% for wood

Tile lippage <1.5mm

48-hour acclimation period for engineered wood

Ceiling:

Minimum 9.5mm thickness for gypsum boards

10mm perimeter expansion gaps

UL-rated fireproofing for electrical penetrations


Safety Protocols and Protective Measures During Renovation

Construction Safety

Regulatory Compliance: Strictly adhere to occupational safety regulations with proper PPE (hard hats, safety goggles, gloves)

Electrical Safety: Implement lockout/tagout procedures for all electrical work; use GFCI-protected circuits

Fire Prevention: Maintain minimum 5m clearance from ignition sources; keep ABC fire extinguishers accessible

Environmental Controls

Containment Systems: Install dust barriers with HEPA filtration and noise-dampening materials (acoustic blankets)

Community Considerations: Limit work hours to 8am-6pm weekdays; suspend noisy operations during rest periods

Ventilation Management: Maintain 4-6 air changes per hour using industrial fans with carbon filters

Mandatory Safety Equipment:

Class II electrical insulation tools

NIOSH-approved respirators (N95 minimum)

Fall arrest systems for elevations >1.8m

First aid kits with burn treatment supplies

Gas detectors for confined spaces

Best Practices:
• Conduct daily safety briefings
• Designate fire watch personnel during hot work
• Use cordless tools to minimize trip hazards
• Implement negative air pressure in work zones
• Schedule material deliveries to minimize onsite storage

4.Acceptance and preparation for occupancy after decoration

Basic Process and Standards for Inspection Acceptance

01.Inspection Process

Overall Inspection: Check the building structure, doors, windows, water and electricity facilities, etc.

Detailed Inspection: Inspect the construction quality of walls, floors, ceilings, etc.

Functional Testing: Test the functionality of water, electricity, gas, and other facilities to ensure normal operation.

02.Inspection Standards

Building Structure: No cracks, deformations, or other issues.

Doors and Windows: Smooth operation and good sealing performance.

Water and Electricity: Unobstructed water flow, normal electrical circuits, and no leakage.

Walls, Floors, Ceilings: Good construction quality, free from cracks, hollowing, or other defects.


Indoor Air Quality Testing and Formaldehyde Removal Methods

Formaldehyde Removal Methods

Ventilation: Open windows to accelerate formaldehyde dissipation.

Green Plants: Place formaldehyde-absorbing plants such as pothos or spider plants.

Activated Carbon Adsorption: Use activated carbon to absorb formaldehyde and replace it regularly.

Photocatalytic Oxidation: Apply photocatalytic products and maintain indoor ventilation.

Air Quality Testing

Professional Testing: Engage a qualified testing agency to assess indoor air quality.

Understanding Standards: Learn about testing criteria for harmful substances like formaldehyde and benzene.

Targeted Measures: Implement appropriate formaldehyde removal methods based on test results.


urniture Arrangement and Soft Decor Matching Suggestions

● Furniture Arrangement

Select appropriate furniture styles and sizes based on family needs and preferences.

Arrange furniture in a well-planned layout to ensure a functional and comfortable space.

Avoid excessive large furniture to maintain smooth movement and natural lighting.

● Soft Decor Matching

Choose suitable soft furnishings such as curtains, rugs, and lighting that complement the overall interior style.

Pay attention to color coordination and texture selection to create a warm and cozy atmosphere.

Regularly update and rearrange soft decor to keep the living space fresh and inviting.

5.Decoration budget control and energy-saving and emission reduction measures

Budget Planning

Set a reasonable renovation budget based on household needs and preferences.

Consider design styles and material selections to avoid overspending.

Allocate a contingency fund to cover potential additional expenses.

Budget Control

Monitor the renovation progress closely to ensure adherence to the budget.

Address issues promptly to prevent cost overruns.

Maintain clear communication with contractors and designers to stay within budget limits.


Application of Energy-Saving and Emission-Reduction Measures in Home Renovation

01
Energy-Efficient Design

Adopt energy-saving appliances and lighting systems to reduce power consumption.

Optimize spatial layout to enhance natural lighting and ventilation.

Use thermal insulation materials to improve the home's energy retention.

02
Eco-Friendly Materials

Select low-emission renovation materials to minimize indoor pollution.

Incorporate sustainable resources such as bamboo flooring and wood veneers.

Maintain proper ventilation post-renovation to reduce indoor pollutant levels.


MJENZI

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