Structural integrity is a primary focus during the polycarbonet-roof-supply-and-installatio process. The supporting frame, usually constructed from aluminum or galvanized steel, must be perfectly aligned to ensure the sheets sit flush. Installers calculate the necessary pitch of the roof to allow for efficient water runoff and to prevent the accumulation of debris. A minimum slope is ... https://kkroofspecialist.com.sg/polycarbonet-roof-supply-and-installation/