To Kwa Wan, Kowloon

Lok Man Sun Chuen is built over 50 years and located in Tokwawan. The reinforced concrete was suffered vary damages, such as mechanical damage from movements and chemical damage from sulphates and salts.

Project Requirement
Our Sika FerroGard® sacrificial anode is applied to diminish the incipient corrosion effects in the reinforcement bar between the fresh mortar in patch repairs and the surrounding zone of concrete.
The monitoring system also provide a simple way to measure the effectiveness of the sacrificial anodes.

Project Area
9 patch areas

Sika Solution
Unicell® 25
Sika® FerroGard®-510 Patch
Sika® FerroGard® Monitoring Box

Project Participants

Project Owner
Hong Kong Housing Society 

Trusty Surveyors (HK) Ltd

Union Contractors Ltd.