How To Add Second Layer Of Shingles To Roof

This is especially true if there is huge snowfall.

How to add second layer of shingles to roof.

That second layer of shingles won t last as long. In this video we provide details on how to install roof shingles over existing shingles. Replacing a roof can be very expensive and exhausting at the same time. You could be adding weight to your roof with a second layer that your house cannot handle.

Secondly if your second layer blows off in a bad storm water will run right under the shingles and down all of the nail holes that have penetrated both layers of shingles. This step is important because it brings the underlying surface back to a level height consistent with the rest of the roof plane. Posted july 31 2018 by onpage marie. It would seem that an additional layer would be beneficial.

Place the top of each starter shingle firmly against the bottom of the shingle immediately above it and even with the eaves then nail it into place. Your roof will not look as good as when you do a full tear off. Pros and cons of adding a second layer of shingles. Install the second layer.

We discuss the nesting method which helps minimize an uneven appear. A roof is one of the most vital components of a house. Add a layer of shingles over the newly repaired area before you install your second layer of shingles. Shingles add weight to your roof.

Use 1 5 or 1 75 inch roofing nails. If you have done some serious research on roofing then you have probably heard about adding a second layer of shingles on top of the old ones. Roofing second layer of shingles roofing. Most likely your roof structure was designed for a dead load of one layer of shingles plus extra for snow and a safety margin.

How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h.