Ice And Water Shield Entire Roof
Do you need to put it on the entire roof or and also do you need felt as well in addition to the ice and water shield.
Ice and water shield entire roof. And the question was to what extent do you need ice and water shield on the roof. Tar paper roofing felt thermoplastic polyolefin etc or cheaper. Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage. The video shows you exactly what ice water shield looks like and where it s installed.
Underlayment typical 15 tarred felt underlayment provides back up protection against water intrusion only as long as the primary roofing material. The guy also talks about how the ice water shield seals itself around roofing nails which helps to distinguish it from a traditional underlayment product e g. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. From hud path best practices guide.
And they were talking about putting on i guess ice and water shield. Ice and water shield the whole roof. Ice and water shield is a great product that can be used in spots to protect the most vulnerable areas of your roof or as a whole roof underlayment to protect from ice dams water dams storms and leaking in any area of the country and any weather. A roofing material can be vapor permeable or the roofing assembly can be vapor open such as any type of shingled roofing which leaves gaps between layers.