Never do a shingle over.
2 layer roof tear off.
You can t know for sure that there aren t any soft spots or.
Using a roofing calculator it s quite easy to know the entire area of shed roof or gable of any house as well as accurately determine its cost the only things you need are the dimensions of the house your roof pitch.
I can tear off three seperate houses faster than i can tear off one house with two shingle roofs on it.
For a second layer to be as good as a roof tear off you would have to have sound decking no leaks and a roof with no sidewalls where flashing is needed in order to tie the tiles in to the exterior walls.
In this video we discuss how to tear off 2 layers at once rather than jerk around with the top layer and then the crumbly bottom layer after.
It s for this reason that many people choose to go with an overlay roof rather than a full tear off.
To replace roof per square feet the prices of shingles may range anywhere from 3.
If you noticed the 2 layers in the middle of the tear off you lost money.
Really the time of tearing off 2 layers vs 1 is not much.
In most situations you can expect to save at least 1 000 by doing it yourself.
2 layer reroof tear off.
Two layer roof tear off and pneumatic flooring removal plus testimonial duration.
It will drastically reduce your roof life.
At least another 20 dollars for the labor.
Before you take on this big chore get a bid from a contractor to make sure the savings are worth the strain.
Stripping away the old roof.
If you don t tear off the old layer you can t examine the decking.
The cost of the dump is at least 10 dollars a sq.
Roofing drone views duration.
The additional price is mostly related to the extra labor that goes into a tear off roof.
The roofing calculator will carry out the rest of the process for you.
More expensive because of the additional labor and materials peeling off the old roof down to the sheathing is your only option if you already have two layers.
This old house general contractor tom silva prefers this route even when the roof is just a single layer so he can find the source of any water.