Why Does My Roof Leak When It Snows But Not Rain?
Winter weather can be confusing. One common question is "Why does my roof leak in snow and not rain?" This can be caused by ice dams. Thawing snow from snowfall can build up at the gutter line and cause water to back up, ultimately leaking into ceilings or walls below. Heating cables may seem simple, but they will not warm the roof. Source: fixholdflip.com Water can't leak through flashing if it isn't done properly Proper flashing is an essential component of a roof. Flashing covers seams and gaps in the roof, preventing water from leaking through. Flashing that isn't installed correctly can allow water to leak when snow or frozen. When ice melts, it pushes water back under the shingles, seeping through the roof, and into the attic. Generally, flashing is made of copper, zinc, lead, or aluminum. If the flashing is concealed, it is made from plastic, sheet metal, or bituminous-coated fabrics. Copper is the most durable material for flashing but is expensive, so it ...