Reshingle Roof Over Old Shingles

It s worth getting underneath to see.

Reshingle roof over old shingles.

Can you put new asphalt roof shingles right over old ones. Remove the ridge caps. The following list includes some universal reasons not to reroof as well as some considerations or things to check out if you re seriously considering adding new roof shingles over old ones. Step 3 cover the old shingles.

Doing it now will make it easier to keep the reroofing job clean. How to do it remove caps. They don t do a good job of bridging over gaps dips or humps including the stepped texture created by overlapping shingles. But unless the sheathing is extensively damaged or the structure can t support the weight of another layer of roofing a better solution is to apply a new layer of shingles right over the old one.

Damaged decking will need to be repaired before you can install any new shingles. The felt should be secured every six inches with nails or staples. If laying three tab shingles over three tab shingles it is important to nest the new shingles against the old to create a flat surface as friedman elaborates just below. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

Roofing second layer of shingles roofing. In addition if you overlay over existing shingles you miss the opportunity to install an ice and water leak barrier to your wood decking. Use a flat pry bar. Your existing layer of roof shingles is deteriorating and you need to get a new roof installed.

If your existing roof is old the barrier may not have been applied the last time your roof was replaced. If the old ones are flat and you fill in any missing tabs and you do no more that a total of two layers of shingles yes you can reshingle over old shingles. How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h. One question you might have is can i reroof over existing shingles the answer is it depends state regulations and the condition of your roof both play a role in determining if you need a roof replacement tear off vs cover over.

This process starts with a 5 inch starter strip fit along the eaves and set against the second course of existing shingles see figure 2 16. Shingles are designed for flat surfaces. If a shingle is. Done correctly a reroof job will look as good and last as long as a new roof for a lot less money and a lot less hassle.