The distance that the panels must be raised will be dependent on the material itself and the cost is also affected based on what material the tiles are.
Installing solar panels on tile roof.
Too much pressure from walking on your roof can cause your tiles to crack.
Your tile is weatherproof but not weight proof.
Another method of attaching solar racking to a tile roof is by removing individual tiles and cutting or drilling holes through them.
Install brackets into rafters.
Yes but the potential for serious costly damage is very high.
Some solar installers like to use a technique called a comp out to more easily install solar on clay tile roofs.
This technique involves removing all the clay tiles under the area where your solar panels will go installing composite shingle in this area then plopping in traditional solar roof mounts rails and panels in that location.
When a solar panel array is installed on a tile roof they will need to be attached to brackets that will lift the panels above the roof.
The second option is called a comp out where your installer will remove the tiles where you intend to put solar then lay down composite shingle to install the array.
The holes then allow the installer to poke the mounts through the tile and bolt into the wood sheathing underneath.
Your installer would temporarily remove the tiles install the hooks underneath into the roof then put the tile back over the mount and rack the system from there.
Asphalt is perhaps the most popular roof material as such asphalt shingle solar panel.
During installation workers will drill holes in your roof to secure the racking which will hold your panels.
These holes and bolts are necessary for almost every solar installation and their size and depth will vary based on what your roof is made of asphalt wood etc.
In reality the waterproofing layer is the asphalt shingles.
Is it possible to install solar panels on your tile roof yourself.
If you should use the wrong drill bit you will cause too much vibration as you are drilling through the tile which will also result in breakage.
While your tile roof is very durable against the elements it is not weight proof.
These holes are for lag bolts which secure your panels to your roof and are designed to withstand extreme weather.
Installing solar panels on tile and shingle roofs asphalt shingle roofs.