Ice dams are formed by the continuous melting and freezing of snow due to heat escaping from the house or from a backup of frozen slush from the rain gutters the melted water flows under the snow and freezes as it reaches the unheated soffit area at the eaves thus.
Ice and water guard roofing.
An ice guard is designed to extend far enough back from the edge of the roof to capture this melting snow and ice and transport the.
If an ice dam occurs on your roof and water backs up under the shingles it will seep down into your home through the nail holes holding the shingles.
Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall.
Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas.
Not all high temperature roofing underlayments are the same.
Ice water shield is a thick sticky back underlayment also known as felt paper that will adhere to your roof deck and prevent water from seeping into your home if it gets under your shingles.
An ice guard is put into place to prevent water from melting snow and ice from leaking through the roof.
Grace ice and water shield ht is an excellent high temperature ice and water barrier that follows in the footsteps of the original ice and water shield but is specially formulated to meet the higher service temperatures that are inherent to metal and tile roofs.