In this video we provide details on how to install roof shingles over existing shingles.
New roof over old shingles.
Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of.
When you should tear off your roof and start from scratch instead.
Damaged decking will need to be repaired before you can install any new shingles.
A new roof fixes existing issues and traps less heat than multiple layers which can cause shingles to break and curl faster.
Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.
Why not add new roof shingles over old.
Remove the ridge caps.
Before you begin installing the new shingles be sure to inspect the roof for any damage.
You can save money because there s no dump fee for removing your old roofing and there s no need for additional felt paper over the old roof.
Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.
Install a layer of roofing felt over the roof before you begin installing the new shingles.
We discuss the nesting method which helps minimize an uneven appear.
Why installing new shingles over old shingles can be good.
If a shingle is.
How to do it remove caps.
Doing it now will make it easier to keep the reroofing job clean.
Use a flat pry bar.
Shingles are designed for flat surfaces.
They don t do a good job of bridging over gaps dips or humps including the.
Let s start with the good.
Since the roofer is able to identify and repair high risk areas a new roof offers better quality than an old one.
Damaged shingles should be removed to check the decking for problems.