Installing Ice And Water Barrier On Roof

Then install regular roofing underlayment tar paper over the top of the drip edge and over the ice barrier and continuing all the way up the roof.
Installing ice and water barrier on roof. You should install ice and water protector before other underlayments including roof felt. Cons of installing ice and water shield on your roof the only real negatives of covering your entire roof with ice water shield are 1 cost and 2 potential ventilation problems which are very rare. Eaves flashing is required to prevent ice formation at the eaves and gutter to back up beneath the roof covering. Learn how ice water shield tiger paw underlayment and gaf roof shingles are installed in this today s home remodeler episode with host stuart keith and an.
The big question is do i install the ice and water shield over or under the felt or synthetic underlayment the next question should i install the iws o. Grace ice water shield introduced in 1978 is our flagship product with over 2 million successful installations in 25 different countries. Grace ice wa. Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the.
One person can install long lengths of ice and water shield to the roof however it is easier for two people to install especially with some new installation tricks. Around roof features like. This code implies that ice and water shield eaves flashing is required for installation on all heated steep slope structures exception is unheated structures in colder climates. Remember that in high.
Get free tips like this by subscribing. Section r905 1 2 ice barriers in the 2018 irc says the ice barrier shall extend from the lowest edges of all roof surfaces to a point not less than 24 inches inside the exterior wall line of the building. The eaves flashing shall be installed from the end of the deck to a minimum of 24 inches up the slope. On most roofs this isn t far enough to comply with the international residential code.
Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane.