How To Roof Over Existing Shingles

When roofing over your existing shingles can be a good idea.

How to roof over existing shingles.

To shingle on top of existing shingles there are a few things you want to make sure. How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.

Although many metal roof systems can be applied over an existing roof layovers are more commonly done with asphalt shingles. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. We re going to break them down so you know what to look out for. Choose a shingle style with the same dimensions as those on your.

If you choose to install metal roofing over shingles there are certain things you must keep in mind. 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. 1st and foremost your existing roof needs to be in reasonable shape. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.

Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. How to roof over existing shingles. We discuss the nesting method which helps minimize an uneven appear. You can save.

When you should tear off your roof and start from scratch instead. Shingle a roof over existing shingles save 75 give or take. No missing shingles no gaps no holes in the roof no soft spots because of water damage. But first here are a few precautions about the underlying material.

Let s start with the good. Address any existing roof leaks and replace rotten rafters or. Roofing second layer of shingles roofing. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.

Why installing new shingles over old shingles can be good.