Shingling A Shed Roof Over Old Shingles

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

Shingling a shed roof over old shingles.

Planning and executing a good roofing job requires knowledge of every aspect of the job. Place the ridge cap shingles over the roof ridges. Step 3 cover the old shingles. Apart from the problems going unnoticed during the actual shingle over there are long term effects to consider as well.

Shingling a shed and want some tips. Damaged decking will need to be repaired before you can install any new shingles. Roofing second layer of shingles roofing. You can t do it with wood or slate for example and you should never mix materials such as laying asphalt shingles over cedar shakes.

Step 3 layer the shingles. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Damaged shingles should be removed to check the decking for problems. If it is or if you would just rather refresh it anyway strip all of it off before you add the new material.

Nail each side of the cap shingle into the roof. Adding new roofing over old sometimes called a re roof is possible only with asphalt shingles also called composition shingles. Long term effects of shingling over shingles. That s a lot of extra weight putting added stress on the roof decking.

How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h. Install a layer of roofing felt over the roof before you begin installing the new shingles. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Handy home shows you universal shingling techniques that can be applied to any shed.

But before we get started one thing must be clear. Using the correct size of roofing nail will ensure that your roof stays intact for many years to come and can help you avoid the common problem of roofing nails that extract themselves over time and cause you to lose shingles. Watch and see how easy it is. If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles.

The cap of each shingle should fall evenly in half over each side of the ridge. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. The felt should be secured every six inches with nails or staples. For instance instead of just one roof on your home you now basically have two.

Ensure that each cap overlaps the one below it by 1 4 inch 7 cm.