Raindrops, condensation, dew, and even high humidity can cause roofing materials to expand or wrinkle, resulting in buckled, rippled, or misshapen roofs. If the materials underneath the shingles are wet or slippery, they may not adhere properly or uniformly.
In general, you should not install a new roof during a rainstorm. Never, ever ascend on your roof during a thunderstorm with lightning. Allow a day for the roof to recover after rain before continuing work.
Laserlite Corrugated, Greca, and Trimdek sheets are designed for a minimum pitch of 5 degrees when affixed. This means that the cloth must fall a minimum of 88mm vertically for every meter horizontally.
The patina that forms on a zinc roof protects it from oxidation and corrosion, making it one of the most dependable and durable metal roofing options available. Over time, this patina will develop a delicate, bluish-grey hue. Nonetheless, some zinc roofs may be susceptible to chalking and "white rust."