Use a mortar that's designed for natural stone. It doesn't have to be anything special for the radiant system, but it does have to be compatible with the granite.
There are many different ways, radiant tiles, radiant floors, you can read all about it at the site listed in related links
Granite, which is an igneous rock, is commonly used for floors and tabletops.
For counter tops or floors in nice buildings.
Radiant heating can help with cold floors in a house by making the heat spread thoroughly and wholly throughout the whole house instead of just one room when using a heater, for example.
Yes, portions of the floor will need to be taken up to fix the heating system, but these should be in access hatches that lift up easily. If it's an issue with the water pipes or the wiring then more flooring will need to be taken up. To read more about the process go to this website: http://www.doityourself.com/stry/how-to-repair-the-radiant-heat-floor-system-in-a-raised-floor Radiant floor panels rarely need attention whether embedded in concrete, below floors, sandwiched in floors, wall or ceilings. Once installed, controlls and heat sources are the maintencance items to focus on.
Some ways granite is used in everyday life is in table tops, floors, and kitchen surfaces.
Scrape carefully with a metal spatula, then get residue with acetone.
Granite and marble are both important to the state of Massachusetts. Massachusetts has prime areas where granite and marble can be mined for the building industry. Marble and granite are popular to use for counter tops and floors.
Granite is often used as a decorative stone. People use it for counter tops in kitchens and for floors in the house also in the bathrooms. Granite is also often used in headstones.
The rock used to make floors and tabletops is granite, which is an igneous rock. It is used most common but not all the time.
It is called Mastic. It is the adhesive that used to be used for floor tiles. Warning: Most mastic contains asbestos
Radiant floor heating will definitely provide additional warmth to a home. It can be very expensive but does ensure that your floors are warm and will also help to heat the rest of the house.