A bundle or two of new shingles stored flat in the garage comes in handy if your new roof gets damaged later.
Reshingle vs new roof.
Your contractor can then use them for exact match patch repairs.
It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you.
When contemplating a new roof many people hope to simply do a shingle over and avoid the extra cost and mess of tearing off the existing roof and starting from scratch.
Although it sounds like a good idea we can assure you the cons heavily outweigh the pros.
Roof tear off vs.
However when done right it also yields the biggest return on your investment.
What you need to know dave law last updated january 24 2020 here is a scenario we hear about all the time.
Cover roof deck with 30 pound felt underlayment.
This contractor told me i don t need to tear off my existing shingles when we re do our roof.
The roof is one of the biggest investments you will make in your home.
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.
In fact reports show that a new roof yields more than 80 of its original cost upon resale.
In this video this old house general contractor tom silva explains how to reshingle a roof steps.
By placing shingles on top of a damaged roof you ll affect the way the roof looks.
You can t examine the decking to determine if there is any damage that needs repaired.
Reroofing is the process of layering one set of new shingles over a set of existing shingles.
More difficult to check deck when you tear off the old roof you get a look at what s underneath.
In fact the only pro to a shingle over is it s cheaper and cleaner.
Pry off old roof shingles with pitch fork.
Because there is no tear off reroofing can go much faster and be much less expensive than a complete roof replacement.
Nail down loose roof sheathing to rafters.
Pro tip for low sloped roofs photo by carl tremblay while asphalt shingle is a good roofing material it s not the best choice in all situations.
2nd layer of shingles.
If you want to reshingle your asphalt roof with new shingles it ll cost an average of about 7200 for a 2000 square foot house excluding old roof removal.
Since it s being put on top of another less than perfect roof it s likely that it may not look as good as a brand new roof would.
Meanwhile more than 30 of real estate agents accredited roof restorations for their quick sales.
Re roofers have tricks to lay new roof shingles over old so that the same step ups between courses are maintained but if any old shingles are cupped curled or otherwise misshapen those defects will telegraph through to the new layer.
