If you choose not to install an extra layer you ll install the material directly over the roof sheathing.
Can you install rolled roofing over shingles.
First re roofing is allowed in most jurisdictions.
Rolled roofing is easy to transport.
The strips should always be horizontal.
However re roofing over more than 1 layer is often prohibited.
Prepare the roof by tearing off the old shingles or by preparing for a reroof.
For extra durability you may install roll roofing in two layers.
Rubber roofing cannot be applied directly over shingles.
Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.
It also helps if you first install a layer of roofing felt.
Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.
You don t need to get a professional in to apply rolled roofing to your house or shed you can do it yourself.
Yes you can install a metal roof over shingles.
1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof.
Rolled roofing by contrast comes in lighter 75 pound units and is tightly rolled up and sealed.
Unlike shingles which apply one by one you can roll out a square of mineral surface rolled roof within minutes.
Rolled roofing goes down quickly.
A champaign roofing company can install it for a reasonable price if the homeowner does not wish to do it.
Roll roofing generally is sold in a sheet 36 inches long and 60.
There are three systems including glue down torch down and peel and stick.
However you ll want to check with your local building department before you make any decisions.
A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.
When compared to shingles rolled roofing is far cheaper and much easier to apply.
It is easier and quicker to manufacture than shingles since it is a single piece and as a result it is a good deal cheaper.
If you don t want to do a complete tear off of your existing shingles you have to consider a number of factors.
Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.
Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.
Roll roofing is asphalt based like most shingles.
Since this is the least difficult of roofing materials to install only basic carpentry skills are needed.
This sheathing may or may not be primed for extra durability.
Composite shingles are heavy and unwieldy.