The felt should be secured every six inches with nails or staples.
Put shingles over old roof.
Hope you like it.
Here is a video on how we lay a second layer of asphalt shingles over existing asphalt shingles.
If a shingle is.
Remove the ridge caps.
If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles.
Does it cost more to tear off.
To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below.
Use a flat pry bar.
Step 3 cover the old shingles.
We discuss the nesting method which helps minimize an uneven appear.
We don t recommend them nor do we do them.
How to do it remove caps.
As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof.
Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.
Is it okay to put the new shingles right over the old ones.
They don t do a good job of bridging over gaps dips or humps including the.
Over the years we ve seen problems caused by shingle overs.
Damaged shingles should be removed to check the decking for problems.
If you haven t noticed yet we are not fans of shingle overs not at all.
Install a layer of roofing felt over the roof before you begin installing the new shingles.
Because asphalt shingles are routinely exposed 5 in rip down the first strip the starter course so that it is 5 in.
Looks just as good and lasts as long.
Doing it now will make it easier to keep the reroofing job clean.
Damaged decking will need to be repaired before you can install any new shingles.
Installing a new roof over shingles takes less time than tearing off the old roof.
Roofing over your existing roof is not worth it.
Place the top of each starter shingle firmly against the bottom of the shingle immediately above it and even with the eaves then nail it into place.
Why not add new roof shingles over old.
Use 1 5 or 1 75 inch roofing nails.
Leave the old valley flashing in place and install new over it.
Shingles are designed for flat surfaces.
Has the same manufacturer s warranty.