In this video this old house general contractor tom silva explains how to reshingle a roof steps.
Reshingle vs new roof.
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.
More difficult to check deck when you tear off the old roof you get a look at what s underneath.
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.
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.
The roof is one of the biggest investments you will make in your home.
This contractor told me i don t need to tear off my existing shingles when we re do our roof.
Although it sounds like a good idea we can assure you the cons heavily outweigh the pros.
Nail down loose roof sheathing to rafters.
By placing shingles on top of a damaged roof you ll affect the way the roof looks.
Whether you re going for a fiber cement composite shingle installation or a composite shingle asphalt roof the total expenditure can vary.
Your contractor can then use them for exact match patch repairs.
A bundle or two of new shingles stored flat in the garage comes in handy if your new roof gets damaged later.
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.
It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you.
Cover roof deck with 30 pound felt underlayment.
In fact reports show that a new roof yields more than 80 of its original cost upon resale.
What you need to know dave law last updated january 24 2020 here is a scenario we hear about all the time.
You can t examine the decking to determine if there is any damage that needs repaired.
In fact the only pro to a shingle over is it s cheaper and cleaner.
Staple felt every 6 to 8 inches.
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.
2nd layer of shingles.
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.
Because there is no tear off reroofing can go much faster and be much less expensive than a complete roof replacement.
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.
Roof tear off vs.