1.What is building waterproofing?
Building waterproofing refers to building can discharge or evaporate water without affecting the building structure and its appearance.


2.Why do buildings need waterproof?
Protect and maintain a good building structure.
Reduce weariness and improve durability.


3.When do buildings need waterproof?
It is necessary to have waterproofing works when the waterproofing layer has been wear and tear, change the structure of bathroom, replacement of windows or change the structure of roof floor-tiles.


4.What is resin injection method?
Refers to using high-pressure machinery to inject waterproofing resin into a concrete structure or the joints of window frames.


5.What kind of methods can detect water leak?
There are few types of leakage test are commonly used.
Water pond method (accumulate water to the desire area)
Infrared scan(thermal test)
Microwave scan (moisture test)
Electro current test(electro current test), etc.


6.What do we need to know, when we do waterproofing work?
You need to know which part of the estate is recognized as public area or belongs to private zone. And you also need to know the liabilities, regulation and rules such as scaffolding issue, insurance, and project deposit for management office.


7.Do we need to waterproof before decoration?
Waterproofing works must be done when the renovation involves changes to the bathroom structure, replacement of roof on the ground, and changes of windows and changes of building structures.


8.What is the cost range of waterproofing works?
Grouting waterproofing works starting from HK $ 3,000
Bathroom waterproofing works starting from HK $ 5,000
Roof waterproofing works starting from HK $ 10,000


9.Is there any after sales services and warranty?
All waterproofing work comes with warranty and after-sales service.


10.How long does it take to do waterproofing works?
Waterproofing injection can be done within 4 hours
Bathroom waterproofing work can be done in 1 day
Roof waterproofing work can be done in 3 day