How To Do A Roofing Layover

Architectural shingles are an even better choice.

How to do a roofing layover.

The thicker the new shingle the better it will hide any imperfections in the roofing below. Layover may be a good. A roof can only have one layover done. A roof overlay is done when the second set of shingles is placed on top of an existing layer of shingles on a roof.

If you do nest the layover just watch that the previous contractor pulled the rows in places to straighten out the roof. Can you do a layover instead of roof replacement. Therefore if your roof already has two layers of shingles layered separately you cannot have a layover done on top of it. Used to be the headlap color was the same as the shingle but everything out there now uses whatever for the headlap color.

It s a good idea to use at least 40 year shingles. Plus a layover voids the warranty although many building codes allow one layover a layover job will not last nearly as long as a tear off and most people know that. What to do if the old roof is not straight if the existing roof has wavy horizontal lines you can take out the waves by snapping a horizontal line 1 2 inch below the shingle bottoms of one course. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option a properly installed layover roof can look and function as well.

Choosing shingles for a layover job. Since you do not tear off old roofing shingles a layover can be done much faster and it is supposed to be a cheaper alternative to complete roof replacement. Roofing second layer of shingles roofing. How to shingle over existing shingles and how to shingle a roof how to install roof shingles shingle layout lines h.