Ultimately it s best to work with a roofing professional to determine if your roof is eligible for re roofing.
How leagl is 3 layers of shingles on a roof.
Now you just have to decide whether to remove the existing roof shingles or recover the roof.
It used to be common practice to install one layer of roofing over another.
Shingles are the element that most homeowners are familiar with as it is the layer you can see from the outside of your home and it is an important aesthetic aspect.
And roofing guidelines are no exception to the rule.
Layers of shingles on top of each other shorten the life of the roof due to the newest layer sitting on an uneven lower surfaces.
Posted july 31 2018 by onpage marie.
Roof maintenance is a major part of any homeowner s responsibility.
Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio.
Asphalt shingles come in two major types 3 tab and architectural.
Well those days are gone.
Having multiple layers of shingles is going to make your roof hotter because the heat gets trapped between the layers which could mean premature aging of the shingles.
For example there s a starter course of roofing shingles installed at the eaves before the roofing shingles you can see.
Your three layer roof is definitely a potential structural concern and homeowners insurance companies might consider three layers of roof shingles.
When i started my real estate career i sold homes with three layers of roofing.
Re roof or strip the roof down.
But contractors who spoke with angie s list say best practices call for stripping the roof down to the wood deck to inspect it before installing a new roof.
Pros and cons of adding a second layer of shingles.
3 tabs are less expensive but also less durable have lower wind resistance and have a flatter appearance.
A roof is one of the most vital components of a house.
When to consider re roofing.
The best life will come from removing all the old layers down to roof boards or sheathing and then laying down the new roof on a well repaired flat surface.
Roofing layers from the framing to the shingles.
If so you ll likely save quite a bit of money by leaving your existing roofing system in place beneath a new layer of shingles.
Replacing a roof can be very expensive and exhausting at the same time.
Once you have discovered how many layers of roof shingles are allowed the next decision you should make is whether you will have the existing shingles completely removed to make way for two or three new layers or whether you will have another layer of shingles placed on top of the existing layer.
Sometimes even with composition shingles also known as asphalt shingles over wood shake shingles.
If you have done some serious research on roofing then you have probably heard about adding a second layer of shingles on top of the old ones.