Roofing Ice And Water Shield Questions

This ice shield seals nail holes better then regular tar paper roofing materials.

Roofing ice and water shield questions.

Grace won t come off if you put new grace over old grace it won t ever come off either. Taking these steps will create a thermal break and keep heat and cold from being transmitted rapidly which can cause condensation or even leaking or ice dams. This ice water shield is applied as an underlayment prior to putting the shingles on the roof. Not all high temperature roofing underlayments are the same.

Sorry if this was talked about before and i missed it. Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. I am about to reroof using grace ice and water shield for the first two courses then a synthetic underlayment above. These cheap imitations of ice water shield should not be gone over they should be removed.

Traditionally contractors used metal flashing or double layers of felt in places where ice and water shield are used today. And you better set your roll right the first time you won t get a second. Removing ice and water shield. Some of the ice water shield knock offs can be removed without deck damage.

Hey everyone i was just wondering how everyone else was dealing with getting ice and water shield off when doing tear offs or were you just leaving it on and going over it with new. 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. It is impossible to get it off. I was considering applying the synthetic underlayment over the ice and water as well as i have read that shingles will often adhere so badly to i w products that you have to take the decking out to reroof 20 30 years down the line.

Grace ice water shield roofing membrane is used as an underlayment for sloped roofs to resist water penetration due to water back up behind ice dams or wind driven rain. Ice and water shield.