Where To Put Ice And Water Shield On Metal Roof

The drip edge will be installed over the ice and water protector and other underlayments at roof rake edges you should install ice and water protector before other underlayments including roof felt.

Where to put ice and water shield on metal roof.

It self seals around nails and provides protection for roof areas prone to ice and water intrusion. It stops ice dams which can freeze at the edge and build up and leak under the shingles janie. If you have a more complicated roof with valleys skylights dormers vent pipes or chimneys it s a good idea to have ice and water shield installed in and around these areas as well as along the eves. The contractor had used the was the regular kind and it was literally melting in some of the areas where it was touching the metal diamonds that were directly exposed to the sun for extended periods in the day.

Ice and water shield goes under typically asphalt shingles along the roof edge the first three foot edge of the roof and it does two things. This is a code requirement in cold weather states. Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave. With the code recommended installation of the ice barrier over the drip edge water can back up at the eaves edge and get behind the vertical leg of the drip edge where it can end up flowing into the joint between the fascia and the roof sheathing.