Difference between reroofing and roof replacement.
How to shingle over existing roof to patch a leaky.
Tiny holes in shingles are sneaky because they can cause rot a leaky roof and other damage for years before you notice the obvious signs of a leak.
You can save.
It is the process where roofers install a new roof over your existing one i e.
1st and foremost your existing roof needs to be in reasonable shape.
Let s start with the good.
Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
Shingle a roof over existing shingles save 75 give or take.
Add a new layer of shingles which means that there is no tearing off of the old roof.
To shingle on top of existing shingles there are a few things you want to make sure.
Check the gutter for an accumulation of colored granules that have washed down the roof from the shingles.
Roofing over an existing roof is also called reroofing or an overlay.
Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.
These simple repairs can keep your existing roof sound for years to come.
When you should tear off your roof and start from scratch instead.
Asphalt shingle leaks can be caused by a variety of things including folded shingles nail holes and flashing issues around corners chimneys or vents.
It s easy to camouflage.
No missing shingles no gaps no holes in the roof no soft spots because of water damage.
Why installing new shingles over old shingles can be good.
Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
Use of a sealant to stop asphalt shingle leaks.
Then gather some into a small cup and sprinkle them over the sealant to mask the repair.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
A new roof is a pricey proposition.
You might find holes left over from a satellite dish or antenna mounting brackets or just about anything.