4 Min ReadIndustry Insights
Ice and Water Shield (IWS), also referred to as an Ice Barrier, is widely understood in the roofing industry. What is often not understood is when you should and should not install it. This simple question can cost you thousands on every estimate.
In this article, you’ll learn what IWS is, why it is important, when you should install it, and how you can calculate how much you’ll need for any job so you don’t lose money.