Chua Choon Seng Building Contractor is the roofing contractor specialist who can meet all your roofing maintenance and repair needs. We handle leakages for metal, concrete and tile roofs, and other types of roof repair. You can count on us for roof coating, roof tile waterproofing, and tile roof washing. As a leading water proofing contractor in Singapore, we can make new roofs (claytiles), metal roofs (polycarbonate) and re-roofing that you will be satisfied by.