A roof overlay is when new asphalt shingles are installed over the existing asphalt shingles with no proper installation of ice and water and underlayment.
Roof overlay vs replacement.
You can t examine the decking to determine if there is any damage that needs repaired.
When you tear off a roof you basically have to dispose of the entire roof which can involve filling multiple dumpsters of trash.
Typically trash disposal is included in your overall estimate for the roof replacement.
Any roof replacement will create some leftover junk but there is a big difference between the trash removal involved in an overlay versus a tear off.
The cons of a roof overlay.
Lasts longer on that note a full tear off roofing job will last you much longer than an overlay will.
A roof overlay is far less messy than a roof replacement.
That s less time you ll need to spend out of the house saving you money and stress.
During re roofing a new shingle overlay is placed over your worn shingles to restore the look of your roof as well as provide a protective layer to help prevent leaks from getting inside your home.
Less invasive and expensive than a complete re roofing mobile home roof.
If the roof on your mobile home is beginning to show its age consider correcting the problem with a roof over.
Less expensive since you re just replacing the new layer of shingles over the existing ones the labor cost would be lesser and makes this method cheaper.
The crew doesn t need to pile up old roofing materials as they work.
Just be aware that the extra layer of shingles will add to the cost of your next roof replacement.
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.
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A roof over saves time because the crew doesn t need to strip existing shingles and dispose of them.
Shorter work timeline an overlay can be finished days sooner than a tearoff.
In the case of overlay installation none at all.
8 great mobile home roofing tips find and repair leaks.
Here s another mobile home living article about roofing that may help.
If you re planning on completely replacing your roof within the next five to 10 years an overlay is a practical way to enjoy the look of a new roof in the meantime.
Roofing overlays only provide homeowners with a fresh new layer of shingles false sense of security and a bigger expense down the road.
On average a roof overlay will cost around 600 less than a full roof replacement.
Re roofing is the quickest and least costly way to restore your roof s appearance.
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This saves money in clean up costs and dumpster rental adding to your total savings.
The new roof is installed over the old one.
The difference between overlay and tear off installation methods is in how much of the old roof is going to be removed before the new roof is installed.
Better quality since the entire roof is being replaced roofers will be able to repair high risk areas and new flashings can be installed ensuring that your home is watertight for years to come.
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.
What does re roofing involve.