Before you reshingle a roof read our step by step guide for adding new shingles over old ones.
Shingling a shed roof over old shingles.
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.
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.
The felt should be secured every six inches with nails or staples.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
Step 3 layer the shingles.
Adding new roofing over old sometimes called a re roof is possible only with asphalt shingles also called composition shingles.
Install a layer of roofing felt over the roof before you begin installing the new shingles.
Long term effects of shingling over shingles.
Place the ridge cap shingles over the roof ridges.
The cap of each shingle should fall evenly in half over each side of the ridge.
Ensure that each cap overlaps the one below it by 1 4 inch 7 cm.
Handy home shows you universal shingling techniques that can be applied to any shed.
Watch and see how easy it is.
Roofing second layer of shingles roofing.
Apart from the problems going unnoticed during the actual shingle over there are long term effects to consider as well.
How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h.
Step 3 cover the old shingles.
But before we get started one thing must be clear.
Nail each side of the cap shingle into the roof.
Place and nail the shingles from the bottom of the roof to the top.
If it is or if you would just rather refresh it anyway strip all of it off before you add the new material.
Damaged shingles should be removed to check the decking for problems.
All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof.
Shingling a shed and want some tips.
Begin shingling at the bottom edge of the roof starting at one end.
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.
For instance instead of just one roof on your home you now basically have two.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
Planning and executing a good roofing job requires knowledge of every aspect of the job.