Professional Installation, Precision Guaranteed
From expert teams to advanced tools and proven solutions, our technical services ensure flawless installation and long-lasting performance for your doors and windows.
Professional Technical Team
Skilled Technicians
Certified experts with 10+ years of hands-on experience.
Strict Standards
Full compliance with ISO9001 processes, traceable quality control.
Proven Success
Customer satisfaction with over 100,000+ global projects
Standard Tools
Rotary Hammer
Cordless Drill
Laser Level
Measuring Tape
Rubber Mallet
Hex Key Set
Electric Screwdriver
Caulking Gun
Common Issues & Solutions
Loose Window Frames
- Causes: Improper fastening (wrong nails, incorrect screws, or misused shims).
- Solution: Self-tapping screws + standardized shim installation.
Water Leakage & Condensation
- Causes: Poor exterior sealing (low-quality shims or fillers).
- Solution: Elastic waterproof membrane + premium sealant + isolation layers.
Cracked Joints
- Causes: Subpar sealing (incorrect materials or rushed work).
- Solution: Precision sealing techniques + specialized installation pads.
High Waterproof Installation Solutions
Upgraded Wet Construction High Water-Sealing Solution
Suitable for wet installation processes. After the window opening is finely treated and leveled, the window frame is fixed, followed by plastering on both the interior and exterior.
Upgraded Old Window Replacement High Water-Sealing Solution
Suitable for replacing old windows with new ones, where the exterior decorative surface is not disturbed. After the window opening is finely treated and leveled, the window frame is fixed, and the interior side is plastered last.
Standard Process for On site Installation Service
Booking & Preparation
On-Time Arrival & Site Protection
Organization & Opening Inspection
Safety Measures & Old Window Removal
Opuomen Precision Installation
Window Calibration & Product Protection
Site Cleanup & Maintenance Guidance
Photo Documentation
Follow-Up & After-Sales Support
