english How to avoid wrinkling of the protective film of the color steel plate during installation
2025-06-25
Color Steel Plate Protective Film Installation Guide
1. Surface Preparation
Proper surface cleaning is essential for smooth film application.
- Use dust-free cloth and special cleaner
- Thoroughly remove dust, oil, and water stains
- Check and polish welds and protrusions at corners
- Ensure surface is completely flat
2. Film Pre-Treatment
Proper film handling prevents stress-related wrinkles.
- Lay film flat for ≥30 minutes to release internal stress
- Leave 2-3cm margin around edges
- For long boards, apply film in sections
- Cut to size before application
3. Precise Application
The three-point positioning method ensures even application.
- Use "three-point positioning" method
- First fix top midpoint and left/right edges
- Slowly peel backing paper from center outward
- Use rubber scraper at uniform speed
4. Environmental Control
Optimal conditions prevent application issues.
- Avoid when humidity >85% or wind >3 level
- Maintain temperature at 15-25℃
- Use heater for low-temperature preheating
- Indoor application preferred
5. Tool Usage
Proper tools prevent damage during application.
- Wrap scraper with soft cloth
- For small wrinkles: gently push with fingers + scraper
- Cut excess corners at 45° angle with plastic cutter
- Use only plastic or rubber tools
6. Final Inspection
Timely adjustments ensure perfect results.
- Let stand for 1 hour after application
- Focus inspection on wrinkle-prone areas
- Lift and re-paste immediately if needed
- No adjustments after 24 hours
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