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.
Reshingle vs new roof.
Reroofing is the process of layering one set of new shingles over a set of existing shingles.
What you need to know dave law last updated january 24 2020 here is a scenario we hear about all the time.
Meanwhile more than 30 of real estate agents accredited roof restorations for their quick sales.
This contractor told me i don t need to tear off my existing shingles when we re do our roof.
Nail down loose roof sheathing to rafters.
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.
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.
A bundle or two of new shingles stored flat in the garage comes in handy if your new roof gets damaged later.
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.
Although it sounds like a good idea we can assure you the cons heavily outweigh the pros.
It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you.
By placing shingles on top of a damaged roof you ll affect the way the roof looks.
In fact reports show that a new roof yields more than 80 of its original cost upon resale.
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.
You can t examine the decking to determine if there is any damage that needs repaired.
Your contractor can then use them for exact match patch repairs.
Because there is no tear off reroofing can go much faster and be much less expensive than a complete roof replacement.
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.
2nd layer of shingles.
Cover roof deck with 30 pound felt underlayment.
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.
Pry off old roof shingles with pitch fork.
Staple felt every 6 to 8 inches.
However when done right it also yields the biggest return on your investment.
In this video this old house general contractor tom silva explains how to reshingle a roof steps.
The roof is one of the biggest investments you will make in your home.