Ice and water shield must be built on/around specific parts of your roof, such as the valleys, the region surrounding penetrations, and the roofs with a 2/12, 3/12, or 4/12 pitch. Every roof needs to have it because of how important it is. There is also a code if you live in the US above the snow line. Whether you are replacing your roof or carrying out repairs, our team is available for a no-obligation quote. We have complete confidence in our work, with years of experience delivering impeccable results in the execution of roof installation.