How many layers of shingles can you install on your roof?

When most homeowners hear they need a roof replacement, their first concern is about the cost. That's why some people try to nail over their current asphalt roof. 

But not every roof will be a good candidate for a nail-over. That's why you need to know how many layers of shingles can be on your roof. 

In this video, we cover how many layers of shingle you can have and the right scenario for a nail-over. After watching, check out Nail-over vs. Roof Replacement to learn which one is right for you.  

which roofing material is right for you