Do I need a permit to put on a new roof?

How Do I Apply for a Roofing Permit? | Networx

Watertite roofing contractor | CMS For You
Permits are required for most new roofs, re-roofs and major roof repair jobs, but many cities don't require them for minor repairs or replacements of less than 100 square feet (one "square") of roofing area.

Should old roof be removed?

Can You Re-Roof Over Your Old Roof? - HomeTips

Things To Remember When Hiring Roofing Contractor. – Antoine Lavoisier
If any areas of the roof have become severely damaged, it's usually better to remove the old shingles and start from scratch. ... If you're going to add a roof on top of an old one, it's a good idea to remove any loose shingles and apply a new layer of 30-pound roofing felt before laying the new shingles.Dec 7, 2019

Can you put new roof felt over old shed?

Repairing or Replacing Shed Roof Felt - DIY Extra

Asangod Roofing Systems Limited - Home | Facebook
Replacing Felt on a Flat Roof
If your shed has a pent roof (flat, with no ridge) you can apply the felt in exactly the same way as you would for one side of a pitched roof.
Apr 9, 2015