A roof-specialist-singapore is also an expert in repairing chimney stacks and skylights, which are common leak points. These penetrations require custom-made flashing and high-performance sealants to remain watertight. A specialist understands the chemical compatibility between different materials, ensuring that the sealants used will bond permanently to both the metal flashing and th... https://kkroofspecialist.com.sg/roof-specialist-singapore/