Failure cause analysis
Sampled sections from the defective building. Cross-section showed intercoat delamination due to primer-topcoat incompatibility.
FACADES
Facade system for residential complex: UV and weathering resistance
Facade coating system for a residential complex with confirmed resistance to UV, precipitation, and temperature swings. 10-year warranty.
01Challenge
Facades faded and delaminated within 3 years
A residential developer faced mass facade defects after 3 years: UV bleaching, delamination, cracks at expansion joints. Warranty claims worth millions.
02System
Adhesion primer + elastic polyurethane topcoat with UV stabilisers
Adhesion primer on metal plus an elastic polyurethane topcoat with increased UV stabiliser content and anti-corrosion pigments.
03Outcome
10-year warranty. Zero defects after first season
Coating passed 2000h QUV. After the first winter-summer cycle: no cracks, no adhesion loss, colour shift ΔE < 1.
Breakdown
How We Implemented It
Implementation phases — from diagnostics to stable serial production.
Laboratory system testing
2000h QUV, 500h salt spray, thermal cycling -30/+80°C. The new system passed without issues.
On-site application
Technologist supervised first 3 facade sections. Crew completed the rest independently using the application map.
Other cases
Similar challenge?
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