Proper ventilation is often an ancillary issue addressed by a knowledgeable roof repairs contractor. Poor attic ventilation traps heat and moisture, which degrades the roof deck, compromises the underlayment, and can void shingle warranties. Contractors inspect existing ventilation systems (soffit, ridge, or gable vents) and recommend repairs or upgrades to ensure a balanced airflow. ... https://kkroofspecialist.com.sg/roof-repairs-contractor/