Typically your builder will provide two options.
Roof overlay vs tear off.
1 overlaying the new roof over the existing layer of shingles or 2 tearing off the old shingles before installing the new roof.
Roof overlay vs tear off approach your roof is one of the most critical components of your home.
Tear off may seem like it is going to affect your budget more than an overlay.
When it comes to deciding between the cheaper and faster roof overlay option or the more durable and value producing tear off method we almost always recommend the tear off method if your budget allows.
However the truth is so many variables have to be just right in order to make it work that it s much more likely to cost you money in the end.
In a nutshell however roof tear off method is much better compared to overlay.
So you need a new roof.
An overlay roof occurs when keep your existing roof as is choosing instead to shingle on top of it.
It s good to know that you can only choose this option if your roof has not been overlaid previously.
Higher costs on average a tearoff roofing job costs around 25 percent more than an overlay.
November 23 2015 by taylor made roofing.
This is because you basically get a better quality the better value of the roof and overall it makes your roof last much longer.
When the roofing company you hire tears off your existing roof and then puts on an entirely new roof.
It s best to tear off your roof and replace it because even though you ll be able to save money with the installation of a roof overlay this will inadvertently cause future problems.
You can t examine the decking to determine if there is any damage that needs repaired.
However you are going to be able to inspect your roof all the way to the decking.
Although most people will assume that the second option is best why keep the old and damaged shingles overlaying provides several benefits as well.
In general it is not a good roofing practice to overlay a traditional asphalt shingle roof versus a complete tear off and replacement with a new roof for the very reason you stated.
The tear off method is exactly what it sounds like.
In the long run you will probably spend less on maintaining your roof.
It will mean that you won t have to replace your roof as quick.
Investing in a roof replacement with the right materials in mind can help prolong the lifespan of your roofing bridgewater nj and the foundation of your home.
If you don t take your roof down to the sheathing you will never know if you have proper underlayment or are experiencing sheathing rot or ice or water damage.
It takes a lot more labor to completely remove all the existing roofing material and then replace all the layers removed.