How Much Does Window Sealant Renewal Cost in Hong Kong? (2026)
Quick Answer
HK$400–$1,200 per project
Window sealant renewal in Hong Kong costs HK$400-$1,200 per project, depending on window size, sealant condition and material quality. Essential for preventing water damage and maintaining insulation.
Frequently Asked Questions
Deteriorated sealant leads to water leakage, wall dampness and mould, reduced soundproofing, and air-con energy waste. Severe cases can corrode window frames and affect structural safety. During Hong Kong's typhoon season, aged sealant cannot withstand strong winds, easily causing water damage.
Quality sealant typically lasts 5-8 years. Hong Kong's harsh climate with intense sun, wind and humidity accelerates deterioration. Premium waterproof sealants can extend lifespan to 10 years. Regular cleaning and avoiding excessive pressure on sealant helps prolong durability.