专业水管与防漏修缮
一站式优质工程与五金

Q: How do you know if you have a hidden water pipe leak inside walls?

The 3 fastest tests are: 1) Turn off all faucets and check if your water meter dial continues spinning; 2) Look for thermal cold/hot anomalies on walls with an infrared camera; 3) Check for bubbling paint, efflorescence (white mineral crystals), or an unexplained sudden spike in monthly water consumption.

Q: What is non-hacking waterproofing and is it effective?

Non-hacking waterproofing uses chemical hydrophobic sealants or high-pressure polyurethane (PU) injection to fill microscopic capillary voids and cracks without hacking away floor tiles. It is 100% effective for inter-floor slab leaks and takes less than 24 hours to cure.

Q: What is the difference between brass and stainless steel ball valves?

Brass valves (such as DZR brass) are cost-effective and ideal for residential potable water and non-corrosive domestic supply up to 300 PSI. Stainless steel (SS304/SS316) provides superior resistance to acidic water, chlorine, high temperatures, and chemical degradation in commercial HVAC and industrial processing.