It used to be common practice to install one layer of roofing over another.
2 layer roof in oregon.
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.
If you don t tear off the old layer you can t examine the decking.
I have not run into this before so i need some advise.
This channel is for educational purposes only.
You can t know for sure that there aren t any soft spots or.
I pulled in and thought cool new roof.
Despite these drawbacks layering shingles can still be the best plan for your roof.
Asphalt shingles typically can have one more layer added over the top two roofs total.
So i get to this house built in 1960.
So anywhere along the gable end that you can see the felt you ll see two layers.
If you do remove the old shingles you will end up with a nice fresh layer of felt on the roof deck.
Walking on the roof it felt and looked good.
Sometimes even with composition shingles also known as asphalt shingles over wood shake shingles.
Re shingle roof as part of a larger plan.
The methods taught in these video s are just a few of many ways to do construction.
Steep sloped roof products such as tile slate metal and shakes only allow one layer.
One of the situations where this option can make the most sense is for a temporary fix as part of a long term plan.
And roofing guidelines are no exception to the rule.
Assuming your roofing contractor is using standard 36 wide 15 roofing felt double coverage means that each layer of felt put down across the roof laps 19 over the upper half of the previous course.
The first course starts with an extra 1 2 wide run.
Use your best judgement of.
Did the whole house its all good major remodel in 2005.
What happens when you put a presidential roof over a shake roof.
Well those days are gone.
What happens when you put a presidential roof over a shake roof.
For many years it was acceptable to put even the third layer.