Explanation of Ice Dam Formation on Heated Roofs

And what are we doing since it's a 312 pitch? Um, what do we do? We have to do anything special for that. >> No, because this this roof is a it doesn't get heat. >> Okay. >> Typically ice motor shield the whole thing because you have a heater space and then you have the overhand. >> Gotcha. >> So what's going [snorts] to happen? The heat is going to escape on this area. >> Ice dam. >> Correct. But over here it's not heated. >> Okay. >> So the ice is going to melt and