Can a New Roof be Placed Over My Old Roof?
by Cascade United Roofing
Installing a new roof over an existing asphalt roof is generally not considered good industry practices. Although it is possible, you often get a reduced warranty or not one at all. Having a rot free surface to attached the new roof to can only be examined with a complete tear-off of the homes old roof. You can save money in the short run by going over the top of an old roof, but the result may be less than desirable.
