Thermal expansion must be accounted for in any professional roof-leak-repair-singapore. The temperature of a roof can swing significantly between midday and a sudden rain shower. Materials like metal and concrete expand and contract with these changes. If repairs are done too rigidly, the seals will eventually pop. Specialists use high-elasticity sealants and flexible mounting systems... https://kkroofspecialist.com.sg/roof-leak-repair-singapore/
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