Even with the use of flashing, water penetration may continue to be an issue. High winds are often the culprit and as seen in this picture, rot and warping can be the result. Flashing tape is a good back-up in these cases. Ideally, it should be applied under the flashing. It’s also used to cover the seams under siding and shingles. In this case though, we used it over the existing flashing to cover and seal a gap that had been missed during the original door installation. Read More