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

What is the cheapest roof design?

4 tips for building a cheaper roof - Log Home Builders Association

Roof Repair, Installation | Urbana & Springfield, OH | Metz ...
Put a gable roof on your log home. A gable roof is generally the least expensive and easiest style of roof to build. It is also the least prone to leaks since it only has one single ridge cap, rather than a bunch of hips and valleys.Mar 23, 2008