The Hidden Cost Of Ignoring Small Roof LeaksThe Deanary Holy Trinity Catherdral (Photo/Supplied)A small roof leak can be easy to dismiss, especially if it only appears during heavy rain or leaves a faint stain on the ceiling. In reality, even a small leak can lead to much larger problems if it is left unchecked. Roof leaks rarely stay the same for long. Small roof leaks can also create uncertainty for property owners. For commercial buildings, the cost of ignoring a small leak can be even higher.